North Street Daventry, West Northamptonshire
82 addresses across 6 postcodes (NN11), about 240 m long, classed as a local road. USRN 10601457.
- Sales: 109 recorded sales since 1995; in 2026 the median was £130,000 across 1 sale.
- Energy: 38 homes have an energy certificate (B: 1, C: 8, D: 17, E: 9, F: 3).
- 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 A; Band D in West Northamptonshire costs £2,487 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Long Buckby, about 6.5 km (4 miles) away in a straight line.
- Green space: There is a small park or garden about 440 m (0.3 miles) away, and Daventry Country Park (67 hectares) is about 620 m (0.4 miles) away.
- Air: Background air pollution in 2024 was 7.5 µg/m³ of nitrogen dioxide and 6.9 of PM2.5, within UK legal limits.
- Height: Its addresses are 134 to 147 m above sea level.
- Noise: 12 of its 82 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Abbey House Medical Practice, about 150 m away, with 2 practices within 1.6 km (1 mile).
- People: About 620 people lived in the census areas around it in 2021; 20% of households owned their home and 23% of adults held a degree or other higher qualification.
- Crime: 278 crimes were recorded within 250 m between September 2025 and August 2026, most often anti-social behaviour.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2026 | 1 | £130,000 | £130,000 | £130,000 |
| 2025 | 2 | £125,500 | £113,000 | £138,000 |
| 2024 | 1 | £300,000 | £300,000 | £300,000 |
| 2023 | 1 | £110,000 | £110,000 | £110,000 |
| 2022 | 6 | £131,500 | £95,000 | £205,000 |
| 2020 | 1 | £105,000 | £105,000 | £105,000 |
| 2019 | 2 | £126,750 | £115,500 | £138,000 |
| 2018 | 1 | £235,000 | £235,000 | £235,000 |
| 2017 | 5 | £115,000 | £94,000 | £185,000 |
| 2016 | 1 | £75,000 | £75,000 | £75,000 |
| 2015 | 2 | £154,500 | £84,000 | £225,000 |
| 2014 | 4 | £132,500 | £66,000 | £205,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 31 Jul 2026 | FLAT 12, WARDENS LODGE NN11 4WL | Flat or maisonette | £130,000 | Leasehold. |
| 17 Apr 2025 | FLAT 15, WARDENS LODGE NN11 4WL | Flat or maisonette | £113,000 | Leasehold. |
| 11 Apr 2025 | FLAT 29, WARDENS LODGE NN11 4WL | Flat or maisonette | £138,000 | Leasehold. |
| 16 Aug 2024 | BRANSCOMBE, 17 NN11 4GJ | Semi-detached | £300,000 | |
| 31 Mar 2023 | FLAT 4, WARDENS LODGE NN11 4WL | Flat or maisonette | £110,000 | Leasehold. |
| 12 Dec 2022 | FLAT 14, WARDENS LODGE NN11 4WL | Flat or maisonette | £133,000 | Leasehold. |
| 10 Oct 2022 | FLAT 19, WARDENS LODGE NN11 4WL | Flat or maisonette | £138,000 | Leasehold. |
| 5 Oct 2022 | FLAT 16, WARDENS LODGE NN11 4WL | Flat or maisonette | £118,000 | Leasehold. |
| 20 Sep 2022 | 6, WARDENS LODGE NN11 4WL | Flat or maisonette | £205,000 | Leasehold. |
| 30 Jun 2022 | FLAT 18, WARDENS LODGE NN11 4WL | Flat or maisonette | £95,000 | Leasehold. |
| 25 Feb 2022 | FLAT 12, WARDENS LODGE NN11 4WL | Flat or maisonette | £130,000 | Leasehold. |
| 12 Oct 2021 | FLAT 17, WARDENS LODGE NN11 4WL | Flat or maisonette | £97,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 21 Aug 2020 | FLAT 1, WARDENS LODGE NN11 4WL | Flat or maisonette | £105,000 | Leasehold. |
| 27 Mar 2020 | 1 NN11 4GJ | Other | £65,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 9 Jan 2020 | 1 NN11 4GJ | Other | £750,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 26 Nov 2019 | FLAT 16, WARDENS LODGE NN11 4WL | Flat or maisonette | £115,500 | Leasehold. |
| 25 Jan 2019 | FLAT 11, WARDENS LODGE NN11 4WL | Flat or maisonette | £138,000 | Leasehold. |
| 16 Nov 2018 | 9 NN11 4GJ | Detached | £235,000 | |
| 21 Dec 2017 | FLAT 23, WARDENS LODGE NN11 4WL | Flat or maisonette | £115,000 | Leasehold. |
| 5 Dec 2017 | 6, WARDENS LODGE NN11 4WL | Flat or maisonette | £185,000 | Leasehold. |
| 19 Oct 2017 | FLAT 5, WARDENS LODGE NN11 4WL | Flat or maisonette | £106,000 | Leasehold. |
| 19 May 2017 | FLAT 15, WARDENS LODGE NN11 4WL | Flat or maisonette | £94,000 | Leasehold. |
| 17 Mar 2017 | FLAT 12, WARDENS LODGE NN11 4WL | Flat or maisonette | £115,000 | Leasehold. |
| 29 Mar 2016 | FLAT 3, WARDENS LODGE NN11 4WL | Flat or maisonette | £75,000 | Leasehold. |
| 18 Aug 2015 | ULVERSTONE NN11 4GJ | Detached | £225,000 | |
| 24 Jun 2015 | FLAT 18, WARDENS LODGE NN11 4WL | Flat or maisonette | £84,000 | Leasehold. |
| 23 Jun 2014 | FLAT 5, WARDENS LODGE NN11 4WL | Flat or maisonette | £66,000 | Leasehold. |
| 23 May 2014 | 5 NN11 4GJ | Detached | £205,000 | |
| 28 Mar 2014 | 1B NN11 4GJ | Semi-detached | £185,000 | |
| 3 Mar 2014 | FLAT 25, WARDENS LODGE NN11 4WL | Flat or maisonette | £80,000 | Leasehold. |
| 23 Dec 2013 | FLAT 28, WARDENS LODGE NN11 4WL | Flat or maisonette | £80,000 | Leasehold. |
| 9 Dec 2013 | FLAT 18, WARDENS LODGE NN11 4WL | Flat or maisonette | £74,000 | Leasehold. |
| 4 Mar 2013 | 6, WARDENS LODGE NN11 4WL | Flat or maisonette | £157,500 | Leasehold. |
| 25 Oct 2012 | 7 NN11 4GJ | Detached | £236,500 | |
| 6 Oct 2010 | FLAT 19, WARDENS LODGE NN11 4WL | Flat or maisonette | £75,000 | Leasehold. |
| 12 Feb 2010 | 3 NN11 4GJ | Detached | £365,000 | |
| 1 Feb 2008 | FLAT 2, WARDENS LODGE NN11 4WL | Flat or maisonette | £85,000 | Leasehold. |
| 29 Oct 2007 | FLAT 24, WARDENS LODGE NN11 4WL | Flat or maisonette | £110,000 | Leasehold. |
| 4 May 2007 | 11 NN11 4GJ | Detached | £233,000 | |
| 20 Sep 2006 | FLAT 23, WARDENS LODGE NN11 4WL | Flat or maisonette | £114,000 | Leasehold. |
| 11 Sep 2006 | FLAT 16, WARDENS LODGE NN11 4WL | Flat or maisonette | £87,500 | Leasehold. |
| 5 Jul 2006 | FLAT 3, WARDENS LODGE NN11 4WL | Flat or maisonette | £94,750 | Leasehold. |
| 25 Nov 2005 | FLAT 9, WARDENS LODGE NN11 4WL | Flat or maisonette | £103,000 | Leasehold. |
| 17 Aug 2005 | FLAT 17, WARDENS LODGE NN11 4WL | Flat or maisonette | £86,500 | Leasehold. |
| 18 Mar 2005 | FLAT 29, WARDENS LODGE NN11 4WL | Flat or maisonette | £105,000 | Leasehold. |
| 3 Mar 2005 | ULVERSTONE NN11 4GJ | Detached | £211,000 | |
| 21 Dec 2004 | FLAT 12, WARDENS LODGE NN11 4WL | Flat or maisonette | £104,950 | Leasehold. |
| 17 Nov 2004 | FLAT 3, WARDENS LODGE NN11 4WL | Flat or maisonette | £85,500 | Leasehold. |
| 22 Oct 2004 | FLAT 1, WARDENS LODGE NN11 4WL | Flat or maisonette | £88,000 | Leasehold. |
| 28 Sep 2004 | 11 NN11 4GJ | Detached | £200,000 |
Energy performance certificates
38 homes with a current certificate; median floor area 65 m². Most common: Flat (23); House, detached (6); House, mid-terrace (4). Built: before 1900 (8); 1991-1995 (8); 1983-1990 (7). Tenure at assessment: owner-occupied (22); rented (private) (12).
Each home's certificates and sales (20 addresses)
- 1b, North Street
- 4, North Street
- 5, North Street
- 7 Wardens Lodge, North Street
- 7, North Street
- 8 Wardens Lodge, North Street
- 9 Wardens Lodge, North Street
- 9, North Street
- 13, North Street
- Flat 1 Wardens Lodge, North Street
- Flat 2 Wardens Lodge, North Street
- Flat 3 Wardens Lodge, North Street
- Flat 5 Wardens Lodge, North Street
- Flat 12 Wardens Lodge, North Street
- Flat 14 Wardens Lodge, North Street
- Flat 19 Wardens Lodge, North Street
- Flat 23 Wardens Lodge, North Street
- Flat 25 Wardens Lodge, North Street
- Flat 29, Wardens Lodge, North Street
- Ulverstone, North Street
Council tax
What each band costs in West Northamptonshire in 2026-27: Band D £2,487 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,658 | £1,934 | £2,210 | £2,487 | £3,039 | £3,592 | £4,144 | £4,973 |
Homes by band in the neighbourhood around this street: most are in band A (48% of about 1,110 homes).
Planning and heritage
- Conservation area: yes, Daventry (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings on or by this street: 5.
- 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
- 36, HIGH STREET, grade II*
- 14, HIGH STREET, grade II
- 16, HIGH STREET, grade II
- 30, HIGH STREET, grade II
- 32 AND 34, HIGH STREET, grade II
Brownfield land registered for housing within 1 km (0.6 miles)
- Daventry: Former Vineyard Community Church site, Warwick Road NN11 4AL: up to 47 homes, permissioned (360 m)
- Daventry: Arnex House, London Road NN11 4NR: up to 52 homes, permissioned (1 km (0.6 miles))
Roadworks
Finished in the last three months
- 14 August 2026 to 17 August 2026: ANGLIAN WATER, Utility repair and maintenance works, no carriageway incursion, on the footway (minor works)
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.
Height above sea level
The street's 82 addresses are between 134 m and 147 m above sea level (142 m on average); the ground rises about 14 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| NN11 4GH | 100% | 100% | 100% | 0% |
| NN11 4GJ | 100% | 100% | 100% | 0% |
| NN11 4GU | 100% | 100% | 100% | 0% |
| NN11 4HT | 100% | 100% | 100% | 0% |
| NN11 4WL | 100% | 100% | 100% | 0% |
| NN11 4WN | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Long Buckby 330,000 journeys in 2024–25 | 6.5 km (4 miles) |
| Rugby 2.4 million journeys in 2024–25 | 14.6 km (9.1 miles) | |
| Bus stops | 4 stops within 400 m (0.2 miles), 31 within 800 m (0.5 miles); nearest Leisure Centre Daventry | 210 m |
| Bus or coach station | Bus Station Daventry | 260 m |
| Car parks | EFM Traction Limited - Depot Parking | 1.6 km (1 mile) |
| EV charging points | 5 within 1.6 km (1 mile); nearest bp pulse Charging Station | 150 m |
| Airport with scheduled flights | Birmingham Airport BHX | 45.4 km (28 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Abbey House Medical Practice | 150 m |
| Pharmacies | 6 pharmacies within 1.6 km (1 mile); nearest Daventry Day & Night Pharmacy | 90 m |
| NHS dentists | 3 practices within 1.6 km (1 mile); nearest Dental Surgery | 130 m |
| Hospital | Danetre Hospital (Out-Patients) | 790 m (0.5 miles) |
| Police station | Northamptonshire Police | 320 m |
| Cash machines | 2 machines within 800 m (0.5 miles); nearest ATM | 300 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m (0.5 miles); nearest Unnamed 2,950 m² | 440 m (0.3 miles) |
| Largest park within 800 m (0.5 miles) | Daventry Country Park 67 ha | 620 m (0.4 miles) |
| Play area | 7 within 800 m (0.5 miles); nearest Unnamed 280 m² | 330 m |
| Playing field | 4 within 800 m (0.5 miles); nearest Unnamed 4.6 ha | 220 m |
| Allotments | 2 within 800 m (0.5 miles); nearest Welton Road Allotment Gardens 9,630 m² | 420 m (0.3 miles) |
Within 800 m (0.5 miles): 2 parks and gardens, 68 hectares in all.
Landmarks
The nearest historic landmark is Moot Hall, a listed building (Grade II*), 100 m south-east. 72 listed buildings are within 1 km (0.6 miles), 1 of them Grade I and 11 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Moot Hall | Listed building, Grade II* | 100 m south-east |
| 36, High Street | Listed building, Grade II* | 120 m south |
| 29, High Street | Listed building, Grade II* | 150 m south |
| 27, High Street | Listed building, Grade II* | 160 m south |
| Borough Hill: two Iron Age hillforts and a defended enclosure, two Bronze Age barrows, a Roman building complex and barrow cemetery | Scheduled monument | 1.6 km (1 mile) east |
| 'Burnt Walls' earthworks | Scheduled monument | 1.9 km (1.2 miles) south-east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Daventry Reservoir | Lake or reservoir | 1.3 km (0.8 miles) north-east |
| Borough Hill | Hill | 1.6 km (1 mile) south-east |
| Fox Hill | Hill | 1.6 km (1 mile) south |
| Daventry Wood | Wood | 1.7 km (1.1 miles) south-east |
| Newnham Hill | Hill | 1.8 km (1.1 miles) south |
| Borough Hill Plantation | Wood | 2 km (1.2 miles) east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 7.5 | 40 | 10 |
| Fine particles (PM2.5) | 6.9 | 20 | 5 |
| Particles (PM10) | 10.9 | 40 | 15 |
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
| Level | Road traffic | Railways |
|---|---|---|
| 65 to 69 | 1 | 0 |
| 60 to 64 | 2 | 0 |
| 55 to 59 | 9 | 0 |
| Under 55 | 70 | 82 |
12 of the street's 82 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 West Northamptonshire: see them on the West Northamptonshire page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Abbey CofE Academy Church of England | Primary | 7–11 | 390 m | No published inspection |
| St James Infant School | Primary | 3–8 | 440 m (0.3 miles) | Good (Feb 2024, overall grade under the previous framework) |
| Falconer's Hill Infant School | Primary | 5–7 | 570 m (0.4 miles) | Good (May 2024, overall grade under the previous framework) |
| The Parker E-ACT Academy | Secondary | 11–18 | 620 m (0.4 miles) | No overall grade (Jan 2025, graded inspection without an overall judgement): Quality of education: Inadequate; Behaviour and attitudes: Inadequate; Personal development: Requires improvement; Leadership and management: Inadequate |
| Falconer's Hill Academy | Primary | 7–11 | 620 m (0.4 miles) | No published inspection |
| DSLV E-ACT Academy | All-through | 3–18 | 820 m (0.5 miles) | Good (Apr 2022, overall grade under the previous framework) |
| E-ACT The Grange School | Primary | 2–11 | 1.3 km (0.8 miles) | Requires improvement (Jul 2022, overall grade under the previous framework) |
| Ashby Fields Primary School | Primary | 4–11 | 1.7 km (1 mile) | No overall grade (Apr 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Zizou Express Daventry also trading as Big Buns NN11 4FG | Restaurant/Cafe/Canteen | 70 m | 1 Major improvement necessary | 21 Jul 2026 |
| Toasted – Daventry NN11 4FG | Restaurant/Cafe/Canteen | 70 m | Awaiting inspection | |
| Shaormania NN11 4WN | Takeaway/sandwich shop | 80 m | 5 Very good | 24 Sep 2026 |
| DOUGH & co Woodfired Pizza NN11 4GU | Restaurant/Cafe/Canteen | 80 m | 5 Very good | 6 Dec 2022 |
| Burger Amour Daventry NN11 4GU | Restaurant/Cafe/Canteen | 90 m | 5 Very good | 7 Mar 2023 |
| Zingers NN11 4FG | Takeaway/sandwich shop | 90 m | 4 Good | 7 Apr 2025 |
| Murati's Pizzeria Ristorante | Daven NN11 4HT | Restaurant/Cafe/Canteen | 100 m | 5 Very good | 2 Jul 2026 |
| Canton House NN11 4HU | Takeaway/sandwich shop | 100 m | 5 Very good | 2 Jul 2026 |
| Abdul’s Indian restaurant NN11 4HU | Takeaway/sandwich shop | 100 m | 2 Improvement necessary | 20 Mar 2026 |
| The Lion NN11 4HT | Pub/bar/nightclub | 100 m | 5 Very good | 27 May 2021 |
| The Storybook Play Cafe NN11 4NP | Restaurant/Cafe/Canteen | 100 m | Awaiting inspection | |
| Plume Of Feathers NN11 4BH | Pub/bar/nightclub | 110 m | 5 Very good | 18 Aug 2017 |
| Maharajah of Daventry & Caseys Bar NN11 4BH | Restaurant/Cafe/Canteen | 110 m | 5 Very good | 16 Jun 2026 |
| Ramen Bar Dav NN11 4NP | Restaurant/Cafe/Canteen | 110 m | 4 Good | 14 May 2026 |
| Irorun Foodhub NN11 4FG | Retailers - supermarkets/hypermarkets | 110 m | Awaiting inspection |
Crime within 250 m
| Category | Crimes |
|---|---|
| Anti-social behaviour | 89 |
| Violence and sexual offences | 75 |
| Burglary | 27 |
| Criminal damage and arson | 24 |
| Shoplifting | 22 |
| Public order | 17 |
| Drugs | 6 |
| Other theft | 6 |
| Robbery | 4 |
| Theft from the person | 2 |
| Possession of weapons | 2 |
| Other crime | 2 |
| Bicycle theft | 1 |
| Vehicle crime | 1 |
Most of these are attached to: On or near Parking Area (92); On or near Foundry Court (54); On or near Chapel Lane (36); On or near Lodge Road (21); On or near High Street (20).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 37 | 40 |
| Children under 15 | 12% | 17% |
| Aged 65 and over | 13% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 20% | 61% |
| Owned outright | 9% | 33% |
| Shared ownership | under 1% | 1% |
| Social rented | 32% | 17% |
| Private rented | 47% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 61% | 57% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 14% | 22% |
| Long-term sick or disabled (of adults) | 8% | 4% |
| Work mainly from home (of those in work) | 14% | 32% |
| Travel to work by car or van | 61% | 48% |
| By train, Underground, metro or tram | 1% | 4% |
| By any public transport, including bus | 4% | 8% |
| On foot or by bicycle | 19% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 62% | 65% |
| Work 30 km (19 miles) or more away | 8% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 23% | 34% |
| No qualifications | 22% | 18% |
| Apprenticeship as highest qualification | 6% | 5% |
| Main language English (aged 3 and over) | 76% | 91% |
| Cannot speak English well or at all | 8% | 2% |
Deprivation
The neighbourhood around this street is in decile 3 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
- Food hygiene ratings Waitrose (retailers - supermarkets/hypermarkets, NN11 4DR) newly listed: 5 Very good (rated 15 October 2026) found 30 October 2026
Postcodes on this street
- NN11 4WL: 31 addresses of 33 in the postcode
- NN11 4GJ: 30 addresses of 35 in the postcode
- NN11 4GH: 14 addresses
- NN11 4HT: 4 addresses of 29 in the postcode
- NN11 4GU: 2 addresses of 5 in the postcode
- NN11 4WN: 1 address of 19 in the postcode
Nearby streets
Chapel Lane · St John's Square · Golding Close · Bishops Court · New Street · Church Walk · Primrose Hill · New Street · Thomas Webb Close · High Street · Brook Street · Foundry Place
All the streets in NN11 and across West Northamptonshire.
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.