Halstead Road Colchester
99 addresses across 6 postcodes (CO3), about 600 m (0.4 miles) long, classed as a a road. USRN 8900835.
- Sales: 188 recorded sales since 1995; in 2026 the median was £174,500 across 5 sales.
- Energy: 52 homes have an energy certificate (C: 12, D: 29, E: 11).
- Flood: 6 addresses on its postcodes are in areas 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 Colchester costs £2,283 a year in 2026-27.
- Broadband: Gigabit broadband is available to 58% to 100% of premises.
- Transport: The nearest railway station is Colchester, about 3.1 km (1.9 miles) away in a straight line.
- Green space: The nearest park or garden, Spring Lane Park, is about 690 m (0.4 miles) away.
- Air: Background air pollution in 2024 was 10.5 µg/m³ of nitrogen dioxide and 7.6 of PM2.5, within UK legal limits.
- Height: Its addresses are 36 to 39 m above sea level.
- Noise: 66 of its 99 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Winstree Medical Practice, about 950 m (0.6 miles) away, with 3 practices within 1.6 km (1 mile).
- People: About 990 people lived in the census areas around it in 2021; 78% of households owned their home and 33% of adults held a degree or other higher qualification.
- Crime: 105 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2026 | 5 | £174,500 | £138,500 | £320,000 |
| 2025 | 3 | £290,000 | £260,000 | £320,000 |
| 2024 | 6 | £292,500 | £170,000 | £525,000 |
| 2023 | 2 | £150,750 | £139,000 | £162,500 |
| 2022 | 4 | £351,000 | £162,000 | £435,000 |
| 2021 | 6 | £220,500 | £114,000 | £410,000 |
| 2019 | 2 | £307,500 | £255,000 | £360,000 |
| 2018 | 6 | £213,500 | £129,995 | £375,000 |
| 2017 | 2 | £382,500 | £270,000 | £495,000 |
| 2016 | 3 | £186,500 | £114,000 | £365,000 |
| 2015 | 4 | £435,000 | £195,000 | £500,000 |
| 2014 | 5 | £190,000 | £98,000 | £285,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 11 Aug 2026 | FLAT 11, LEXDEN PLACE CO3 9FD | Flat or maisonette | £174,500 | Leasehold. |
| 31 Jul 2026 | 44 CO3 9AF | Semi-detached | £320,000 | |
| 12 Jun 2026 | FLAT 4, LEXDEN PLACE CO3 9FD | Flat or maisonette | £138,500 | Leasehold. |
| 22 May 2026 | 26 CO3 9AE | Semi-detached | £295,000 | |
| 13 Feb 2026 | FLAT 17, LEXDEN PLACE CO3 9FD | Flat or maisonette | £151,000 | Leasehold. |
| 16 Dec 2025 | 30 CO3 9AE | Semi-detached | £290,000 | |
| 25 Nov 2025 | 50 CO3 9AF | Semi-detached | £260,000 | |
| 18 Jul 2025 | 28 CO3 9AE | Semi-detached | £320,000 | |
| 29 Nov 2024 | FLAT 18, LEXDEN PLACE CO3 9FD | Flat or maisonette | £170,000 | Leasehold. |
| 20 Nov 2024 | 74 CO3 9AF | Semi-detached | £320,000 | |
| 27 Sep 2024 | 48 CO3 9AF | Semi-detached | £235,000 | |
| 12 Jul 2024 | 4 CO3 9AE | Semi-detached | £295,000 | |
| 5 Jul 2024 | 32 CO3 9AE | Terraced | £290,000 | |
| 17 Apr 2024 | 43 CO3 9AD | Semi-detached | £525,000 | |
| 21 Dec 2023 | FLAT 12, LEXDEN PLACE CO3 9FD | Flat or maisonette | £139,000 | Leasehold. |
| 25 Jan 2023 | FLAT 18, LEXDEN PLACE CO3 9FD | Flat or maisonette | £162,500 | Leasehold. |
| 8 Dec 2022 | FLAT 10, LEXDEN PLACE CO3 9FD | Flat or maisonette | £162,000 | Leasehold. |
| 26 Aug 2022 | 36 CO3 9AE | Detached | £435,000 | |
| 21 Jul 2022 | 78 CO3 9AF | Terraced | £365,000 | |
| 17 May 2022 | 18 CO3 9AE | Semi-detached | £337,000 | |
| 29 Sep 2021 | 32 CO3 9AE | Terraced | £275,000 | |
| 23 Sep 2021 | FLAT 11, LEXDEN PLACE CO3 9FD | Flat or maisonette | £150,000 | Leasehold. |
| 12 Aug 2021 | 45 CO3 9AD | Semi-detached | £410,000 | |
| 17 Jun 2021 | 7 CO3 9AD | Semi-detached | £327,000 | |
| 10 Jun 2021 | FLAT 15, LEXDEN PLACE CO3 9FD | Flat or maisonette | £166,000 | Leasehold. |
| 26 Feb 2021 | FLAT 10, LEXDEN PLACE CO3 9FD | Flat or maisonette | £114,000 | Leasehold. |
| 29 Nov 2019 | 26 CO3 9AE | Semi-detached | £255,000 | |
| 27 Sep 2019 | 31 CO3 9AD | Detached | £360,000 | |
| 30 Aug 2019 | 31 CO3 9AD | Detached | £375,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 11 Jul 2019 | 81 CO3 9AD | Detached | £257,500 | Not a standard sale (repossession, buy-to-let or transfer). |
| 25 Oct 2018 | 46A CO3 9AF | Detached | £375,000 | |
| 31 Aug 2018 | 36 CO3 9AE | Detached | £275,000 | |
| 13 Aug 2018 | FLAT 17, LEXDEN PLACE CO3 9FD | Flat or maisonette | £129,995 | Leasehold. |
| 8 Jun 2018 | 30 CO3 9AE | Semi-detached | £217,000 | |
| 27 Apr 2018 | FLAT 15, LEXDEN PLACE CO3 9FD | Flat or maisonette | £160,000 | Leasehold. |
| 2 Mar 2018 | 40 CO3 9AF | Semi-detached | £210,000 | |
| 10 Nov 2017 | 38 CO3 9AF | Semi-detached | £270,000 | |
| 21 Apr 2017 | 53 CO3 9AD | Detached | £495,000 | |
| 5 Dec 2016 | 24 CO3 9AE | Semi-detached | £210,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 16 Sep 2016 | FLAT 10, LEXDEN PLACE CO3 9FD | Flat or maisonette | £114,000 | Leasehold. |
| 1 Apr 2016 | 72 CO3 9AF | Detached | £365,000 | |
| 4 Mar 2016 | 26 CO3 9AE | Semi-detached | £186,500 | |
| 27 Nov 2015 | 43 CO3 9AD | Semi-detached | £380,000 | |
| 2 Sep 2015 | 10 CO3 9AE | Semi-detached | £195,000 | |
| 24 Jul 2015 | 33 CO3 9AD | Detached | £490,000 | |
| 29 Apr 2015 | 35 CO3 9AD | Detached | £500,000 | |
| 14 Nov 2014 | FLAT 10, LEXDEN PLACE CO3 9FD | Flat or maisonette | £98,000 | Leasehold. |
| 9 Jul 2014 | 43 CO3 9AD | Semi-detached | £250,000 | |
| 27 Jun 2014 | 68 CO3 9AF | Semi-detached | £190,000 | |
| 20 Jun 2014 | THE HAVEN, 35A CO3 9AD | Detached | £285,000 |
Energy performance certificates
52 homes with a current certificate; median floor area 77 m². Most common: House, semi-detached (24); Flat (13); House, detached (12). Built: 1900-1929 (17); 1983-1990 (7); 1930-1949 (7). Tenure at assessment: owner-occupied (34); rented (private) (11).
Each home's certificates and sales (23 addresses)
- 4, Halstead Road
- 10, Halstead Road
- 31, Halstead Road
- 34, Halstead Road
- 35, Halstead Road
- 35a, Halstead Road
- 38, Halstead Road
- 40, Halstead Road
- 41, Halstead Road
- 45, Halstead Road
- 46a, Halstead Road
- 53, Halstead Road
- 54, Halstead Road
- 60, Halstead Road
- 68, Halstead Road
- 70, Halstead Road
- 72, Halstead Road
- 76, Halstead Road
- Flat 2 Lexden Place, Halstead Road
- Flat 3 Lexden Place, Halstead Road
- Flat 4 Lexden Place, Halstead Road
- Flat 9 Lexden Place, Halstead Road
- Flat 17 Lexden Place, Halstead Road
Council tax
What each band costs in Colchester in 2026-27: Band D £2,283 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,522 | £1,776 | £2,029 | £2,283 | £2,790 | £3,297 | £3,805 | £4,566 |
Homes by band in the neighbourhoods around this street: most are in band B (37% of about 1,160 homes).
Planning and heritage
- Conservation area: no postcode centre in this street's postcodes is in one.
- Listed buildings on or by this street: none.
- Article 4 direction (removing permitted development rights): none recorded, though not every council has published theirs.
- Tree preservation orders: 12 protected trees on or by this street.
- Green belt: no.
Roadworks
Planned, as of 31 October 2026
- 9 November 2026 to 20 November 2026: Electricity Network Company Limited, Utility asset works, no carriageway incursion, on the footway, verge (standard works, permit applied for)
- 18 November 2026 to 20 November 2026: ESSEX COUNTY COUNCIL, Highway repair and maintenance works, multi-way signals, on the footway (minor works)
- 1 December 2026 to 3 December 2026: ANGLIAN WATER, Utility repair and maintenance works, two-way signals, on the footway (minor works)
Finished in the last three months
- 1 September 2026 to 11 September 2026: Electricity Network Company Limited, Remedial works, give and take, on the footway, carriageway, verge (major works)
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 3 addresses are in areas at high risk, 3 at medium risk and 5 at low risk. Each address counts once, at the higher of its rivers-and-sea and surface-water risk.
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.
| Postcode | Planning zone | Addresses at high / medium / low risk | Groundwater |
|---|---|---|---|
| CO3 9AD | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| CO3 9AF | not in 2 or 3 | 3 / 3 / 1 | unlikely |
| CO3 9AE | not in 2 or 3 | 0 / 0 / 2 | unlikely |
| CO3 9FD | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| CO3 9AB | not in 2 or 3 | 0 / 0 / 2 | unlikely |
| CO3 4DG | not in 2 or 3 | 0 / 0 / 0 | unlikely |
Height above sea level
The street's 99 addresses are between 36 m and 39 m above sea level (38 m on average).
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| CO3 4DG | 100% | 58% | 58% | 0% |
| CO3 9AB | 100% | 100% | 100% | 0% |
| CO3 9AD | 100% | 96% | 96% | 0% |
| CO3 9AE | 100% | 100% | 100% | 0% |
| CO3 9AF | 100% | 100% | 100% | 0% |
| CO3 9FD | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Colchester 3.6 million journeys in 2024–25 | 3.1 km (1.9 miles) |
| Colchester Town 1.0 million journeys in 2024–25 | 3.7 km (2.3 miles) | |
| Marks Tey 474,000 journeys in 2024–25 | 4.8 km (3 miles) | |
| Bus stops | 12 stops within 400 m (0.2 miles), 29 within 800 m (0.5 miles); nearest Mellor Chase Lexden | 10 m |
| Bus or coach station | Colchester North Park-and-Ride Mile End | 5.2 km (3.3 miles) |
| Ferry terminal | East Mersea Ferry Landing | 14.7 km (9.1 miles) |
| Car parks | Sheepen Road Car Park | 2.8 km (1.8 miles) |
| EV charging points | 1 within 1.6 km (1 mile); nearest Source EV Charging Station | 1.1 km (0.7 miles) |
| Airport with scheduled flights | London Southend Airport SEN | 37.2 km (23 miles) |
| Nearest large airport | London Stansted Airport STN | 42.4 km (26 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 3 practices within 1.6 km (1 mile); nearest Winstree Medical Practice | 950 m (0.6 miles) |
| Pharmacies | 3 pharmacies within 1.6 km (1 mile); nearest Ambrose Pharmacy | 1.4 km (0.9 miles) |
| NHS dentists | 3 practices within 1.6 km (1 mile); nearest 118 Straight Road [Dental Practice] | 1.1 km (0.7 miles) |
| Hospital | Hertfordshire Partnership Foundation Trust (Lexden Hospital) | 320 m |
| Police station | Essex Police | 3 km (1.9 miles) |
| Cash machines | 1 machines within 800 m (0.5 miles); nearest Mfg - Stanway | 690 m (0.4 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m (0.5 miles); nearest Spring Lane Park 6.5 ha | 690 m (0.4 miles) |
| Play area | 3 within 800 m (0.5 miles); nearest Unnamed 550 m² | 670 m (0.4 miles) |
| Playing field | 2 within 800 m (0.5 miles); nearest Lexden King George Field 7.8 ha | 240 m |
| Allotments | 2 within 800 m (0.5 miles); nearest Lexden Allotments 1.9 ha | 430 m (0.3 miles) |
Within 800 m (0.5 miles): 1 park or garden, 6.5 hectares in all.
Landmarks
The nearest historic landmark is The Triple Dyke: part of the Iron Age territorial oppidum and Romano-British town of Camulodunum, a scheduled monument, 610 m (0.4 miles) south-east. 23 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| The Triple Dyke: part of the Iron Age territorial oppidum and Romano-British town of Camulodunum | Scheduled monument | 610 m (0.4 miles) south-east |
| Roman barrow known as Lexden Mount: part of the Iron Age territorial oppidum and Roman town of Camulodunum | Scheduled monument | 670 m (0.4 miles) south-east |
| Gryme's Dyke Middle: part of the Iron Age territorial oppidum and Romano-British town of Camulodunum | Scheduled monument | 1 km (0.6 miles) south |
| Name | What it is | From the middle of the street |
|---|---|---|
| Gathering Grounds | Wood | 450 m (0.3 miles) north-east |
| Bluebottle Grove | Wood | 1.4 km (0.9 miles) south-east |
| Spring Grove | Wood | 1.7 km (1.1 miles) north-east |
| West House Wood | Wood | 2.2 km (1.4 miles) north-east |
| America Hill | Hill | 4.4 km (2.7 miles) north-east |
| Bourne Pond | Lake or reservoir | 4.4 km (2.8 miles) east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 10.5 | 40 | 10 |
| Fine particles (PM2.5) | 7.6 | 20 | 5 |
| Particles (PM10) | 14.6 | 40 | 15 |
All three are within the UK legal limits; nitrogen dioxide and PM2.5 are above the WHO guideline, as in most towns and cities.
Road and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 75 dB or more | 1 | 0 |
| 70 to 74 | 7 | 0 |
| 65 to 69 | 6 | 0 |
| 60 to 64 | 14 | 0 |
| 55 to 59 | 38 | 0 |
| Under 55 | 33 | 99 |
66 of the street's 99 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 Colchester: see them on the Colchester page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Lexden Primary School with Unit for Hearing Impaired Pupils | Primary | 3–11 | 330 m | No published inspection |
| Home Farm Primary School | Primary | 4–11 | 570 m (0.4 miles) | Report card (Jan 2026): Curriculum and teaching: Strong standard; Achievement: Strong standard; Attendance and behaviour: Exceptional; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Strong standard; Early years: Strong standard; Safeguarding standards: Met |
| St Teresa's Catholic Primary School, Colchester Roman Catholic | Primary | 2–11 | 820 m (0.5 miles) | No overall grade (Jan 2025, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Outstanding; Leadership and management: Outstanding |
| Stanway Primary School | Primary | 5–11 | 1 km (0.6 miles) | Good (Nov 2022, overall grade under the previous framework) |
| The Stanway School | Secondary | 11–16 | 1.1 km (0.7 miles) | No published inspection |
| Stanway Fiveways Primary School | Primary | 5–11 | 1.3 km (0.8 miles) | Good (Dec 2022, overall grade under the previous framework) |
| Lakelands Primary School | Primary | 4–11 | 1.6 km (1 mile) | Outstanding (May 2023, overall grade under the previous framework) |
| Prettygate Junior School | Primary | 7–11 | 1.8 km (1.1 miles) | No published inspection |
| Prettygate Infant School | Primary | 5–7 | 1.8 km (1.1 miles) | Good (Oct 2022, overall grade under the previous framework) |
| St Benedict's Catholic College Roman Catholic | Secondary | 11–16 | 1.8 km (1.1 miles) | No published inspection |
| Colchester County High School for Girls | Secondary | 11–18 | 1.8 km (1.1 miles) | Outstanding (Nov 2023, overall grade under the previous framework) |
| Philip Morant School and College | Secondary | 11–18 | 1.8 km (1.1 miles) | Good (Sep 2023, overall grade under the previous framework) |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Kings Cafe CO3 9DW | Restaurant/Cafe/Canteen | 150 m | 5 Very good | 5 Aug 2026 |
| Lexden convenience shop CO3 4DG | Retailers - other | 190 m | 5 Very good | 5 Jun 2025 |
| Phoenix CO3 4DG | Takeaway/sandwich shop | 190 m | 5 Very good | 21 Aug 2025 |
| Lexden County Primary School CO3 9AS | School/college/university | 210 m | 5 Very good | 15 Dec 2025 |
| Johnsons CO3 9AW | Retailers - other | 210 m | 5 Very good | 3 Jun 2026 |
| Paradise masala CO3 4DF | Takeaway/sandwich shop | 230 m | 3 Generally satisfactory | 7 Oct 2024 |
| Cluck & Cod CO3 4DF | Takeaway/sandwich shop | 230 m | Awaiting inspection | |
| Safari Childcare CO3 9AD | Hospitals/Childcare/Caring Premises | 280 m | 5 Very good | 31 Jul 2026 |
| VAPeSSENTIALS CO3 4HD | Retailers - other | 320 m | 5 Very good | 12 Sep 2024 |
| Treatment Assessment Unit (West Herts HPFT) CO3 4DB | Hospitals/Childcare/Caring Premises | 330 m | 5 Very good | 12 Sep 2024 |
| London road cafe CO3 0HA | Restaurant/Cafe/Canteen | 480 m (0.3 miles) | 5 Very good | 4 Aug 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 63 |
| Anti-social behaviour | 14 |
| Other theft | 6 |
| Vehicle crime | 5 |
| Other crime | 4 |
| Public order | 4 |
| Criminal damage and arson | 4 |
| Robbery | 2 |
| Possession of weapons | 1 |
| Drugs | 1 |
| Theft from the person | 1 |
Most of these are attached to: On or near Hargood Close (50); On or near Trafalgar Road (18); On or near Back Lane (16); On or near Shopping Area (10); On or near Supermarket (5).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 43 | 40 |
| Children under 15 | 16% | 17% |
| Aged 65 and over | 19% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 78% | 61% |
| Owned outright | 38% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 7% | 17% |
| Private rented | 15% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 63% | 57% |
| Unemployment (of those working or looking for work) | 3% | 6% |
| Retired (of adults) | 23% | 22% |
| Long-term sick or disabled (of adults) | 3% | 4% |
| Work mainly from home (of those in work) | 30% | 32% |
| Travel to work by car or van | 58% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 5% | 8% |
| On foot or by bicycle | 5% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 67% | 65% |
| Work 30 km (19 miles) or more away | 15% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 33% | 34% |
| No qualifications | 17% | 18% |
| Apprenticeship as highest qualification | 5% | 5% |
| Main language English (aged 3 and over) | 97% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The 2 neighbourhoods around this street are in deciles 4 to 9 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.
What has changed
- Roadworks Street works permit: Electricity Network Company Limited: Utility asset works, 9 November 2026 to 20 November 2026 (no carriageway incursion) found 3 November 2026
- Roadworks Street works permit: ESSEX COUNTY COUNCIL: Highway repair and maintenance works, 18 November 2026 to 20 November 2026 (multi-way signals) found 3 November 2026
- Roadworks Street works permit: ANGLIAN WATER: Utility repair and maintenance works, 1 December 2026 to 3 December 2026 (two-way signals) found 3 November 2026
Postcodes on this street
- CO3 9AD: 25 addresses of 27 in the postcode
- CO3 9AF: 24 addresses of 25 in the postcode
- CO3 9AE: 21 addresses
- CO3 9FD: 20 addresses
- CO3 9AB: 6 addresses
- CO3 4DG: 3 addresses of 19 in the postcode
Nearby streets
Mellor Chase · Hargood Close · Tusset Mews · Cadenhouse Mews · Nelson Road · Beaver Close · London Road · Back Lane · Trafalgar Road · Firstore Drive · Collingwood Road · King Coel Road
All the streets in CO3 and across Colchester.
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.