Chalks Road Witham, Braintree

48 addresses across 4 postcodes (CM8), about 240 m long, classed as a local road. USRN 3900353.

  • Sales: 59 recorded sales since 1995; in 2024 the median was £520,000 across 1 sale.
  • Energy: 28 homes have an energy certificate (C: 7, D: 13, E: 7, G: 1).
  • Flood: No address on its postcodes is in an area at high or medium risk of flooding from rivers, the sea or surface water.
  • Council tax: Most homes around it are in council tax band B; Band D in Braintree costs £2,280 a year in 2026-27.
  • Broadband: Gigabit broadband is available to 51% to 100% of premises.
  • Transport: The nearest railway station is Witham, about 350 m away in a straight line.
  • Green space: The nearest park or garden is about 350 m away.
  • Air: Background air pollution in 2024 was 8.3 µg/m³ of nitrogen dioxide and 7.2 of PM2.5, within UK legal limits.
  • Height: Its addresses are 28 to 31 m above sea level.
  • Noise: 2 of its 48 addresses are modelled at 55 dB or more from road traffic.
  • Doctors: The nearest GP surgery is Collingwood Road Surgery, about 650 m (0.4 miles) away, with 4 practices within 1.6 km (1 mile).
  • People: About 740 people lived in the census areas around it in 2021; 55% of households owned their home and 36% of adults held a degree or other higher qualification.
  • Crime: 75 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.

Sales on this street

Source: HM Land Registry Price Paid Data, sales registered up to 28 August 2026, loaded 28 October 2026. Sales reach the register two weeks to two months after completion, so the last two months are incomplete. Matched by postcode and street name.

Sales by year (standard sales only; repossessions and buy-to-let transfers excluded)
YearSalesMedian priceLowestHighest
20241£520,000£520,000£520,000
20232£352,500£300,000£405,000
20221£280,000£280,000£280,000
20211£350,000£350,000£350,000
20202£222,000£219,000£225,000
20193£220,000£210,000£250,000
20182£421,000£242,000£600,000
20161£267,500£267,500£267,500
20154£185,000£175,000£317,000
20144£170,000£110,000£239,995
20132£165,500£165,000£166,000
20111£152,500£152,500£152,500
Most recent sales (latest 50 of 59)
DateAddressTypePriceNotes
18 Nov 202420 CM8 2JGDetached£520,000
26 May 20234 CM8 2BTTerraced£300,000
3 Mar 2023LYNDEN CM8 2JGSemi-detached£405,000
16 May 202210 CM8 2BTTerraced£280,000
26 Mar 2021LYNDEN CM8 2JGSemi-detached£350,000
4 Dec 20202 CM8 2BTTerraced£225,000
25 Sep 20201 CM8 2BTTerraced£219,000
18 Feb 2020MICHAELDENE CM8 2JGSemi-detached£335,000Not a standard sale (repossession, buy-to-let or transfer).
13 Dec 201911 CM8 2BTTerraced£250,000
26 Jun 20193 CM8 2BTTerraced£210,000
8 Feb 201910 CM8 2BTTerraced£220,000
28 Sep 20184 CM8 2BTTerraced£242,000
29 Mar 201821A CM8 2JGDetached£600,000
14 Jan 2016LYNDEN CM8 2JGSemi-detached£267,500
7 Dec 2015ABENFIELD CM8 2JGDetached£317,000
1 Dec 20153 CM8 2BTTerraced£185,000
13 Jul 20151 CM8 2BTTerraced£185,000
6 Feb 201517 CM8 2JGTerraced£175,000
15 Aug 2014FLAT 2, TAZ COURT CM8 2JGFlat or maisonette£110,000Leasehold.
22 May 20144 CM8 2BTTerraced£170,000
25 Apr 201416 CM8 2JGTerraced£170,000
24 Apr 2014BEMBRIDGE CM8 2BTTerraced£239,995
5 Nov 20137 CM8 2BTTerraced£166,000
21 Aug 20131 CM8 2BTTerraced£165,000
1 Aug 201113 CM8 2BTTerraced£152,500
19 May 20106 CM8 2BTSemi-detached£140,000
29 Jul 2009FLOREAT CM8 2JGSemi-detached£250,000
27 Feb 20091 CM8 2BTTerraced£140,000
24 Nov 20084 CM8 2BTSemi-detached£105,000
24 Jul 200817 CM8 2JGTerraced£125,000
13 Aug 200711 CM8 2BTTerraced£187,500
29 Sep 200621A CM8 2JGDetached£346,000
25 Aug 2006ALFROSE CM8 2BTSemi-detached£192,000
22 Jun 2006CLOVELLY CM8 2BTTerraced£175,000
22 Jun 20062 CM8 2BTTerraced£148,500
2 Sep 20057 CM8 2BTTerraced£157,000
14 Feb 2005LYNDEN CM8 2JGSemi-detached£182,500
14 Feb 200510 CM8 2BTTerraced£153,000
2 Jul 20047 CM8 2BTTerraced£124,000
30 Apr 20049 CM8 2BTTerraced£120,000
16 Mar 2004LINGFIELD CM8 2JGSemi-detached£180,000
9 Dec 200221 CM8 2JGDetached£300,000
13 Mar 2002BEVERLEY CM8 2JGSemi-detached£122,500
13 Mar 20026 CM8 2BTSemi-detached£90,000
28 Nov 2001ALFROSE CM8 2BTSemi-detached£115,000
1 Feb 200110 CM8 2BTTerraced£89,000
12 May 20003 CM8 2BTSemi-detached£57,500
1 Feb 200015 CM8 2JGTerraced£65,000
12 Jan 2000BEMBRIDGE CM8 2BTSemi-detached£97,000
15 Dec 199811 CM8 2BTTerraced£55,000

Energy performance certificates

Source: Energy Performance of Buildings Register (MHCLG), register as at 1 November 2026. Latest certificate per address; certificates last ten years, so the oldest here dates from November 2008 and some homes have none. Address data © Ordnance Survey and Royal Mail, shown for understanding the energy efficiency of buildings only.

28 homes with a current certificate; median floor area 74 m². Most common: House, mid-terrace (8); House, end-terrace (7); House, semi-detached (5). Built: 1930-1949 (8); before 1900 (7); 1900-1929 (5). Tenure at assessment: rented (private) (13); owner-occupied (8).

Each home's certificates and sales (16 addresses)

Council tax

What each band costs in Braintree in 2026-27: Band D £2,280 a year on average, including the police, fire and any county and parish charges.

ABCDEFGH
£1,520£1,774£2,027£2,280£2,787£3,294£3,801£4,561

Homes by band in the neighbourhoods around this street: most are in band B (37% of about 1,790 homes).

Sources: Valuation Office Agency, Council Tax: stock of properties, homes at 31 March 2026 (counts rounded to the nearest 10), for the 2 neighbourhoods (census areas of about 700 homes each) around it, not just this street; Ministry of Housing, Communities and Local Government, council tax levels 2026-27. Bands are charged as fixed shares of Band D; the actual bill depends on the parish and on discounts such as the single-person discount. Check a home's own band with the official council tax band checker.

Planning and heritage

  • Conservation area: yes, Witham Town Centre (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
  • Listed buildings on or by this street: 2.
  • Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
  • Tree preservation orders: none recorded, though not every council has published theirs.
  • Green belt: no.

Listed buildings

Brownfield land registered for housing within 1 km (0.6 miles)

Source: planning.data.gov.uk (Ministry of Housing, Communities and Local Government), compiled from councils and, for listed buildings, Historic England's National Heritage List. Conservation areas, Article 4 directions, tree preservation areas and the green belt are checked at each postcode's centre. Listed buildings and protected trees are counted on or by this street. Councils publish Article 4 directions, tree preservation orders and brownfield registers to different standards, and some not yet. Planning applications are not here: there is no national open record of them yet.

Roadworks

Planned, as of 30 September 2026

  • 8 October 2026 to 12 October 2026: ESSEX AND SUFFOLK WATER, Utility repair and maintenance works, no carriageway incursion, on the footpath (minor works)

Source: Department for Transport, Street Manager open data, permits and works up to 30 September 2026. It is published once a month, so works arranged or started since then are not shown, and dates are the ones planned unless the works have started or finished. Emergency works are often permitted after they begin.

Flood risk

No address in this street's postcodes is in an area at high, medium or low risk of flooding from rivers, the sea or surface water. The rest are in areas at very low risk: less than a 0.1% (1 in 1,000) chance a year.

Rivers and the sea alone: no home is in an area at risk.

High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. Very low: under 0.1%. The rivers and sea figures allow for flood defences. Counts cover whole postcodes, which can include other streets.

Flood zone for planning: no postcode centre on this street is in flood zone 2 or 3.

Sources: Environment Agency Flood risk: postcode search tool data (loaded 29 October 2026), Risk of Flooding from Rivers and Sea: postcodes in areas at risk (loaded 29 October 2026) and Flood Map for Planning (loaded 28 October 2026). Flood zones are checked at each postcode's centre point. These are models of areas, which their publishers say are not suitable for showing whether an individual property is at risk, and they do not cover flooding from sewers or drains. Check an address on the official long-term flood risk service.

© Environment Agency copyright and/or database right 2026. All rights reserved. Some features are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH); the postcode data is produced in part from PAF® and Multiple Residence Data, © Royal Mail Group Limited.

Height above sea level

The street's 48 addresses are between 28 m and 31 m above sea level (29 m on average).

Source: Ordnance Survey, OS Terrain 50, July 2026: the height of the ground on a 50 m grid, read at each address, in metres above Ordnance Datum (mean sea level at Newlyn). It is the lie of the land, not floor or threshold levels, and is accurate to a few metres. Being low-lying is not in itself a flood risk; the flood section above says what the flood maps show.

Broadband

Source: Ofcom Connected Nations, data as at January 2026. Percentages are of premises in each postcode that can get the service, not take-up or speed achieved.

Availability by postcode (% of premises)
PostcodeSuperfast (30 Mbit/s+)Ultrafast (300 Mbit/s+)GigabitBelow 10 Mbit/s
CM8 2BT100%91%100%0%
CM8 2BY97%43%51%0%
CM8 2JG100%90%95%0%
CM8 2JL100%66%68%0%

Getting around

Sources: Department for Transport, NaPTAN (every public transport stop), as at 31 October 2026; Office of Rail and Road, Estimates of station usage 2024–25 (which stations are on the National Rail network, and their journeys: entries and exits in the year to March); OurAirports (public domain, kept by volunteers); car parks and charging points from Overture Maps Foundation, release 2026-10-21.0, which gathers business listings from Meta, Microsoft, Foursquare and others: not an official register, so some will be missing, private or out of date. Distances are straight lines from the middle of the street, not routes, and say nothing about how often anything runs. Stations opened since the end of ORR's year appear when ORR publishes the next one, each December; heritage railways are left out.

NearestDistance
Railway stationsWitham 1.9 million journeys in 2024–25350 m
White Notley 7,660 journeys in 2024–254.4 km (2.7 miles)
Hatfield Peverel 362,000 journeys in 2024–254.5 km (2.8 miles)
Bus stops15 stops within 400 m (0.2 miles), 28 within 800 m (0.5 miles); nearest Braintree Road Witham110 m
Bus or coach stationBus Interchange Braintree Town Centre9.5 km (5.9 miles)
Car parks4 within 800 m (0.5 miles); nearest Car Park on Braintree Road, CM8110 m
EV charging points3 within 1.6 km (1 mile); nearest bp pulse Charging Station140 m
Airport with scheduled flightsLondon Southend Airport SEN26.8 km (17 miles)
Nearest large airportLondon Stansted Airport STN29 km (18 miles)

Local services

Sources: NHS Organisation Data Service, as at 31 October 2026: GP practices, community pharmacies and dental practices with an NHS contract, open now, each placed at the centre of its postcode; hospitals are NHS trust and Welsh health board sites named as hospitals, and may not have an emergency department. Police stations and cash machines from Overture Maps Foundation, release 2026-10-21.0, which gathers business listings: not an official register, so some will be missing or out of date. Distances are straight lines from the middle of the street. Nothing here says whether a practice is taking new patients or a dentist new NHS patients.

NearestDistance
GP surgeries4 practices within 1.6 km (1 mile); nearest Collingwood Road Surgery650 m (0.4 miles)
Pharmacies5 pharmacies within 1.6 km (1 mile); nearest Osbon Pharmacy920 m (0.6 miles)
NHS dentists9 practices within 1.6 km (1 mile); nearest Dentalogica810 m (0.5 miles)
HospitalSt Peters Hospital9.1 km (5.7 miles)
Police stationEssex Police Workshop7.9 km (4.9 miles)
Cash machines1 machines within 800 m (0.5 miles); nearest Braintree Road Filling Station Cashzone110 m

Parks and green space

Source: Ordnance Survey, OS Open Greenspace, April 2026: public parks and gardens, play spaces, playing fields and allotments, with their entrances. Distances are straight lines from the middle of the street to a site's nearest entrance (or its edge where none is recorded), not walking routes; sizes are the area OS maps for each site. Some sites, such as school playing fields, may not be open to the public.

NearestDistance
Park or garden3 within 800 m (0.5 miles); nearest Unnamed 5,010 m²350 m
Largest park within 800 m (0.5 miles)Unnamed 19 ha450 m (0.3 miles)
Play area2 within 800 m (0.5 miles); nearest Unnamed 340 m²580 m (0.4 miles)
Playing field3 within 800 m (0.5 miles); nearest Recreation Ground Rickstones Road 4.2 ha340 m
Allotments1 within 800 m (0.5 miles); nearest Unnamed 1.4 ha470 m (0.3 miles)

Within 800 m (0.5 miles): 3 parks and gardens, 21 hectares in all.

Landmarks

The nearest historic landmark is Church of St Nicolas, a listed building (Grade I), 260 m south-west. 44 listed buildings are within 1 km (0.6 miles), 1 of them Grade I and 4 of them Grade II*.

Historic places
NameWhat it isFrom the middle of the street
Church of St NicolasListed building, Grade I260 m south-west
Avenue House Newbury HouseListed building, Grade II*850 m (0.5 miles) south-east
Roslyn HouseListed building, Grade II*890 m (0.6 miles) south
Freebournes HouseListed building, Grade II*930 m (0.6 miles) south
Blunts Hall ringworkScheduled monument1.7 km (1 mile) south-west
Faulkbourne HallRegistered park or garden, Grade II1.8 km (1.1 miles) north-west
Natural landmarks within 5 km (3.1 miles)
NameWhat it isFrom the middle of the street
Tarecroft WoodWood1.9 km (1.2 miles) north
Colemans ReservoirLake or reservoir2.2 km (1.3 miles) east
Elm SpringsWood2.4 km (1.5 miles) east
Barn GroveWood2.4 km (1.5 miles) south-east
Lea Lane WoodWood2.7 km (1.7 miles) east
Beacon HillHill4.6 km (2.8 miles) south-east

Sources: Historic England's registers through planning.data.gov.uk (MHCLG), and Cadw through DataMapWales (Welsh Government): World Heritage Sites within 10 km (6.2 miles), battlefields within 5 km (3.1 miles), registered parks and gardens within 3 km (1.9 miles), scheduled monuments within 2 km (1.2 miles), and Grade I and II* listed buildings within 1 km (0.6 miles). Ordnance Survey, OS Open Names, October 2026: named hills, valleys, lakes, woods, wetlands and coast (it has no rivers). Distances are in a straight line to the middle of each site, and being on a register does not mean there is public access.

Air quality

Source: Defra, modelled background air pollution, annual means for 2024, for the 1 km square that holds the middle of the street. These are background levels, away from the kerb: beside a busy road nitrogen dioxide in particular can be several times higher. UK limits are the legal annual limits for England and Wales; the World Health Organization's 2021 guidelines are much stricter, and most towns and cities are above them.

Annual means in µg/m³ (micrograms per cubic metre of air)
PollutantHereUK limitWHO guideline
Nitrogen dioxide (NO2)8.34010
Fine particles (PM2.5)7.2205
Particles (PM10)12.14015

All three are within the UK legal limits; PM2.5 is above the WHO guideline, as in most towns and cities.

Road and rail noise

Source: Defra, strategic noise mapping Round 4 (England), modelled for 2021 and published in December 2023, and its airport maps of the same round for the fifteen largest English airports, published in April 2026: Lden, the average sound level over a whole day with extra weight for the evening and night, on a 10 m grid, read at each address. These are models of traffic, not measurements; they leave out smaller airports and airfields, industry and neighbours, and a room at the back of a house is often much quieter than the front. The World Health Organization's guidelines are 53 dB for road traffic, 54 dB for railways and 45 dB for aircraft (below the lowest level shown here).

Addresses by modelled noise level (Lden, dB)
LevelRoad trafficRailways
65 to 6920
Under 554648

2 of the street's 48 addresses are modelled at 55 dB or more from road traffic, above the WHO guidelines.

Climate, daylight and earthquakes

Monthly temperatures and rainfall, sunrise and sunset through the year, and earthquakes recorded nearby since 1970 are much the same across the area, so they are worked out once for Braintree: see them on the Braintree page.

Nearest schools

Source: Get Information About Schools (Department for Education), 1 November 2026; Ofsted monthly management information as at September 2026. Distances are straight lines from the middle of the street to the school; catchments and admissions are not shown. Since November 2025 Ofsted gives report-card grades by area, not one overall grade; older grades stand until a school is re-inspected.

SchoolPhaseAgesDistanceInspection
Templars AcademyPrimary2–11540 m (0.3 miles) No published inspection
Witham Oaks AcademyPrimary7–111 km (0.6 miles) Good (Dec 2023, overall grade under the previous framework)
Acorn Infant AcademyPrimary3–71 km (0.6 miles) No overall grade (Dec 2024, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good
Elm Hall Primary SchoolPrimary3–111 km (0.6 miles) Good (Feb 2024, overall grade under the previous framework)
Lift New RickstonesSecondary11–181.1 km (0.7 miles) No published inspection
Lift MaltingsSecondary11–161.4 km (0.9 miles) Report card (Mar 2026): Curriculum and teaching: Expected standard; Achievement: Needs attention; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Needs attention; Leadership and governance: Expected standard; Safeguarding standards: Met
Howbridge Infant SchoolPrimary5–71.9 km (1.2 miles) Good (Apr 2023, overall grade under the previous framework)
Howbridge Church of England Junior SchoolPrimary7–112 km (1.2 miles) Good (Nov 2023, overall grade under the previous framework)

Food hygiene ratings nearby

Source: Food Standards Agency, Food Hygiene Rating Scheme, extract of 1 November 2026. Each rating is shown with the date it was given; a business may have been re-inspected since the extract. Within 500 m (0.3 miles) of the middle of the street.

BusinessTypeDistanceRatingRated
Meadowside Microgreens CM8 2JFRetailers - other110 mExempt
Braintree Road Service Station CM8 2BYRetailers - other110 m4 Good6 Jul 2026
Morrisons CM8 2BYRetailers - supermarkets/hypermarkets110 m5 Very good13 Jan 2025
Morrisons Filling Station CM8 2BYRetailers - other110 m5 Very good11 May 2017
Morrisons Daily Witham CM8 2BYRetailers - other110 m5 Very good19 Aug 2024
Dean Fierheller T/A The Woolpack Inn CM8 2JPPub/bar/nightclub210 m5 Very good9 Aug 2024
The White Horse PH CM8 2JLPub/bar/nightclub220 m5 Very good3 Aug 2026
Toast CM8 2DDRestaurant/Cafe/Canteen270 m5 Very good27 Oct 2026
Spudmania CM8 2JLRestaurant/Cafe/Canteen290 m5 Very good17 Dec 2025
Locoespresso Ltd CM8 2BSRetailers - other310 m5 Very good20 Aug 2024
Mings CM8 2JBTakeaway/sandwich shop330 m5 Very good1 Dec 2025
The Railway CM8 2DEPub/bar/nightclub340 m4 Good16 Feb 2026
The Foyer CM8 2NGRestaurant/Cafe/Canteen370 m5 Very good20 Nov 2025
Templars Academy CM8 2NJSchool/college/university500 m (0.3 miles)5 Very good8 Oct 2025

Crime within 250 m

Source: data.police.uk street-level crime, September 2025 to August 2026. Police forces move every crime to the nearest of about 760,000 anonymised map points before publishing, so these are crimes near this street, not on it, and a busy point can collect crimes from a wider area. Counts are of records, not convictions.

75 recorded crimes by category
CategoryCrimes
Violence and sexual offences33
Shoplifting16
Other theft11
Anti-social behaviour8
Drugs3
Public order2
Criminal damage and arson1
Other crime1

Most of these are attached to: On or near Petrol Station (22); On or near Supermarket (21); On or near Parking Area (17); On or near White Horse Lane (11); On or near Chalks Road (2).

People and work

Source: ONS Census 2021, taken on 21 March 2021, for the 2 Output Areas (small census areas of about 125 households each) that this street's postcodes are in: 740 residents in 344 households. The census was taken during a lockdown, so working from home is high and travel to work low compared with now. ONS swaps a few records between neighbouring areas and adds small amounts of noise to counts to protect privacy, so small differences mean little. Industry is not published for areas this small.

Who lives here

Around this streetEngland
Median age3840
Children under 1516%17%
Aged 65 and over13%18%

Homes

Around this streetEngland
Owned (outright or with a mortgage)55%61%
Owned outright22%33%
Shared ownership0%1%
Social rented9%17%
Private rented36%21%

Work and commuting

Around this streetEngland
Adults (16 and over) in work69%57%
Unemployment (of those working or looking for work)5%6%
Retired (of adults)16%22%
Long-term sick or disabled (of adults)2%4%
Work mainly from home (of those in work)38%32%
Travel to work by car or van41%48%
By train, Underground, metro or tram7%4%
By any public transport, including bus8%8%
On foot or by bicycle11%10%
Work within 10 km (6 miles) of home (of those who travel to work)48%65%
Work 30 km (19 miles) or more away21%8%

Education and languages

Around this streetEngland
Degree or other higher qualification, Level 4+ (of adults)36%34%
No qualifications14%18%
Apprenticeship as highest qualification3%5%
Main language English (aged 3 and over)94%91%
Cannot speak English well or at all3%2%

Deprivation

The 2 neighbourhoods around this street are in deciles 5 to 7 of 10 on the English Indices of Deprivation 2025, where 1 is the most deprived tenth of England's 33,755 neighbourhoods and 10 the least.

Source: English Indices of Deprivation 2025 (Ministry of Housing, Communities and Local Government), by LSOA (about 1,500 people), through the ONS Postcode Directory. The index combines income, employment, health, education, crime, housing and living environment; it ranks areas against each other and does not describe any one household. Ranks in England and Wales are worked out separately and cannot be compared.

What has changed

  • Food hygiene ratings Toast (restaurant/cafe/canteen, CM8 2DD) re-inspected, still 5 Very good (rated 27 October 2026) found 30 October 2026

Everything that has changed on and near this street

Postcodes on this street

Source: ONS Postcode Directory August 2026, ONS UPRN Directory September 2026, OS Open Linked Identifiers September 2026. A postcode can cover more than one street; the share shows how many of its addresses are on this one.

  • CM8 2BT: 23 addresses of 24 in the postcode
  • CM8 2JG: 22 addresses of 23 in the postcode
  • CM8 2BY: 2 addresses of 52 in the postcode
  • CM8 2JL: 1 address of 47 in the postcode

Nearby streets

Templars Close · Braintree Road · St Nicholas Road · Bellfield Close · Homefield Road · Chippingdell · Bramston Walk · Teak Walk · Cut Throat Lane · Medlar Close · White Horse Lane · Cressing Road

All the streets in CM8 and across Braintree.

What this page cannot tell you

  • Whether a particular house is at risk of flooding, subsiding or anything else: the flood map is a model of areas and there is no property-level data here.
  • What a home is worth now: sales are historic prices for the homes that happened to sell.
  • How safe the street is: crime points are moved to anonymised locations and many crimes are never reported.
  • Whether you would get a place at a school: distances are straight lines, not catchments.
  • Who lives on the street now: census figures describe the small areas around it in March 2021, during a lockdown.
  • How long a journey takes or how often anything runs: transport distances are straight lines to the nearest stops.
  • Whether a GP practice is taking new patients, or a dentist new NHS patients.
  • How loud a home is inside, or noise from industry, neighbours or smaller airfields: noise figures are models of road, rail and air traffic outside.

How each figure on this page is matched to the street and worked out: methodology.