Overhill Drive Brighton
92 addresses across 5 postcodes (BN1), about 580 m (0.4 miles) long, classed as a local road. USRN 4400941.
- Sales: 110 recorded sales since 1995; in 2026 the median was £640,000 across 1 sale.
- Energy: 56 homes have an energy certificate (B: 3, C: 16, D: 31, E: 5, F: 1).
- Flood: 1 address on its postcodes is 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 E; Band D in Brighton and Hove costs £2,581 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Preston Park, about 1.5 km (1 mile) away in a straight line.
- Green space: The nearest park or garden, Withdean Park, is about 270 m away.
- Air: Background air pollution in 2024 was 8.7 µg/m³ of nitrogen dioxide and 6.8 of PM2.5, within UK legal limits.
- Height: Its addresses are 43 to 64 m above sea level.
- Noise: 3 of its 92 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Carden Surgery, about 1.5 km (1 mile) away, with 2 practices within 1.6 km (1 mile).
- People: About 340 people lived in the census areas around it in 2021; 88% of households owned their home and 48% of adults held a degree or other higher qualification.
- Crime: 48 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 | £640,000 | £640,000 | £640,000 |
| 2025 | 2 | £681,000 | £677,000 | £685,000 |
| 2024 | 3 | £670,000 | £538,248 | £760,000 |
| 2023 | 1 | £527,000 | £527,000 | £527,000 |
| 2022 | 5 | £660,000 | £625,000 | £802,500 |
| 2021 | 3 | £630,000 | £600,000 | £708,500 |
| 2020 | 1 | £680,000 | £680,000 | £680,000 |
| 2019 | 1 | £525,000 | £525,000 | £525,000 |
| 2018 | 3 | £566,000 | £427,000 | £640,000 |
| 2017 | 2 | £571,750 | £493,500 | £650,000 |
| 2016 | 4 | £540,000 | £382,000 | £595,000 |
| 2015 | 6 | £532,500 | £460,000 | £540,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 12 Feb 2026 | 64 BN1 8WJ | Semi-detached | £640,000 | |
| 21 Oct 2025 | 14 BN1 8WH | Semi-detached | £685,000 | |
| 5 Sep 2025 | 94 BN1 8WJ | Terraced | £677,000 | |
| 31 Oct 2024 | 26 BN1 8WH | Semi-detached | £670,000 | |
| 25 Apr 2024 | 21 BN1 8WF | Semi-detached | £538,248 | |
| 19 Mar 2024 | 84 BN1 8WJ | Semi-detached | £760,000 | |
| 21 Jul 2023 | 24 BN1 8WH | Semi-detached | £527,000 | |
| 30 Sep 2022 | 26 BN1 8WH | Semi-detached | £660,000 | |
| 24 Aug 2022 | 96 BN1 8WJ | Semi-detached | £618,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 28 Jul 2022 | 78A BN1 8WJ | Detached | £802,500 | |
| 25 Jul 2022 | 50 BN1 8WH | Semi-detached | £630,000 | |
| 18 Mar 2022 | 68 BN1 8WJ | Semi-detached | £625,000 | |
| 14 Jan 2022 | 54 BN1 8WJ | Semi-detached | £693,000 | |
| 18 Mar 2021 | 57 BN1 8WG | Semi-detached | £600,000 | |
| 16 Mar 2021 | 38 BN1 8WH | Detached | £630,000 | |
| 8 Jan 2021 | 70 BN1 8WJ | Semi-detached | £708,500 | |
| 23 Jan 2020 | 72 BN1 8WJ | Semi-detached | £680,000 | |
| 15 Apr 2019 | 25 BN1 8WF | Semi-detached | £525,000 | |
| 31 Jul 2018 | 8 BN1 8WH | Semi-detached | £427,000 | |
| 25 Jun 2018 | 32 BN1 8WH | Semi-detached | £640,000 | |
| 21 Mar 2018 | 56 BN1 8WJ | Semi-detached | £566,000 | |
| 8 Aug 2017 | 5 BN1 8WF | Semi-detached | £650,000 | |
| 13 Feb 2017 | 43 BN1 8WG | Semi-detached | £493,500 | |
| 12 Aug 2016 | 46 BN1 8WH | Semi-detached | £560,000 | |
| 28 Jun 2016 | 30 BN1 8WH | Semi-detached | £595,000 | |
| 28 Jun 2016 | 12 BN1 8WH | Semi-detached | £382,000 | |
| 9 Jun 2016 | 26 BN1 8WH | Semi-detached | £520,000 | |
| 26 Oct 2015 | 88 BN1 8WJ | Terraced | £540,000 | |
| 26 Oct 2015 | 19 BN1 8WF | Semi-detached | £460,000 | |
| 28 Jul 2015 | 70 BN1 8WJ | Semi-detached | £540,000 | |
| 9 Jun 2015 | 27 BN1 8WF | Semi-detached | £525,000 | |
| 11 May 2015 | 56 BN1 8WJ | Semi-detached | £540,000 | |
| 27 Mar 2015 | 78 BN1 8WJ | Semi-detached | £495,000 | |
| 30 Sep 2014 | 54 BN1 8WJ | Semi-detached | £520,000 | |
| 30 Apr 2014 | 8 BN1 8WH | Semi-detached | £305,000 | |
| 28 Mar 2014 | 36 BN1 8WH | Semi-detached | £375,000 | |
| 7 Jan 2014 | 61A BN1 8WG | Detached | £750,000 | |
| 7 Jan 2014 | 61 BN1 8WG | Semi-detached | £455,000 | |
| 13 Dec 2013 | 45 BN1 8WG | Semi-detached | £437,500 | |
| 11 Oct 2013 | 46 BN1 8WH | Semi-detached | £393,000 | |
| 28 Feb 2013 | 84 BN1 8WJ | Semi-detached | £332,500 | |
| 12 Oct 2012 | 76 BN1 8WJ | Semi-detached | £356,000 | |
| 14 Feb 2012 | 4 BN1 8WH | Detached | £300,000 | |
| 12 Aug 2011 | 11 BN1 8WF | Semi-detached | £415,000 | |
| 15 Jun 2011 | 72 BN1 8WJ | Semi-detached | £392,500 | |
| 31 May 2011 | 12 BN1 8WH | Semi-detached | £265,000 | |
| 4 Jun 2010 | 25 BN1 8WF | Semi-detached | £347,950 | |
| 28 May 2010 | 12 BN1 8WH | Semi-detached | £250,000 | |
| 4 May 2010 | 51 BN1 8WG | Semi-detached | £305,000 | |
| 5 Oct 2009 | 10 BN1 8WH | Semi-detached | £297,500 |
Energy performance certificates
56 homes with a current certificate; median floor area 120 m². Most common: House, semi-detached (43); House, detached (5); Bungalow, semi-detached (5). Built: 1930-1949 (41); 1950-1966 (7); 1967-1975 (3). Tenure at assessment: owner-occupied (46).
Each home's certificates and sales (37 addresses)
- 1 Overhill Drive
- 2, Ballards Mill Close
- 4, Overhill Drive
- 5, Overhill Drive
- 6, Overhill Drive
- 8, Overhill Drive
- 9, Overhill Drive
- 10, Overhill Drive
- 11, Overhill Drive
- 12, Overhill Drive
- 18, Overhill Drive
- 19, Overhill Drive
- 22, Overhill Drive
- 25, Overhill Drive
- 27, Overhill Drive
- 30, Overhill Drive
- 35, Overhill Drive
- 36, Overhill Drive
- 43, Overhill Drive
- 44, Overhill Drive
- 45, Overhill Drive
- 46, Overhill Drive
- 51, Overhill Drive
- 53, Overhill Drive
- 55, Overhill Drive
- 59, Overhill Drive
- 60, Overhill Drive
- 61, Overhill Drive
- 61a, Overhill Drive
- 70, Overhill Drive
- 72, Overhill Drive
- 76, Overhill Drive
- 78, Overhill Drive
- 78a, Overhill Drive
- 84, Overhill Drive
- 86, Overhill Drive
- 88, Overhill Drive
Council tax
What each band costs in Brighton and Hove in 2026-27: Band D £2,581 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,720 | £2,007 | £2,294 | £2,581 | £3,154 | £3,727 | £4,301 | £5,161 |
Homes by band in the neighbourhood around this street: most are in band E (24% of about 710 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: none recorded, though not every council has published theirs.
- Green belt: no.
Brownfield land registered for housing within 1 km (0.6 miles)
- Homeleigh London Road Patcham Brighton BN1 8QA: up to 10 homes, permissioned (460 m (0.3 miles))
- Land west of Homeleigh London Road Brighton: up to 23 homes, not permissioned (500 m (0.3 miles))
- Patcham Garage Old London Road Patcham: up to 6 homes, not permissioned (530 m (0.3 miles))
- Patcham Lodge, London Road: up to 6 homes, not permissioned (670 m (0.4 miles))
- Park Manor London Road Brighton: up to 6 homes, not permissioned (880 m (0.5 miles))
- 12 and 14 Tongdean Lane: up to 18 homes, not permissioned (910 m (0.6 miles))
Roadworks
Finished in the last three months
- 8 October 2026 to 12 October 2026: SOUTHERN WATER, Utility repair and maintenance works, no carriageway incursion, on the footway (immediate - urgent works)
- 5 October 2026: BT, Utility repair and maintenance works, no carriageway incursion, on the footway, verge (minor works)
- 23 September 2026: BRIGHTON & HOVE CITY COUNCIL, Highway repair and maintenance works, some carriageway incursion, on the footway (immediate - urgent works)
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 0 addresses are in areas at high risk, 1 at medium risk and 1 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 |
|---|---|---|---|
| BN1 8WJ | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| BN1 8WH | not in 2 or 3 | 0 / 1 / 0 | unlikely |
| BN1 8WG | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| BN1 8WF | not in 2 or 3 | 0 / 0 / 1 | unlikely |
| BN1 8AL | not in 2 or 3 | 0 / 0 / 0 | unlikely |
Height above sea level
The street's 92 addresses are between 43 m and 64 m above sea level (57 m on average); the ground rises about 21 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| BN1 8AL | 100% | 100% | 100% | 0% |
| BN1 8WF | 100% | 100% | 100% | 0% |
| BN1 8WG | 100% | 100% | 100% | 0% |
| BN1 8WH | 100% | 100% | 100% | 0% |
| BN1 8WJ | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Preston Park 1.1 million journeys in 2024–25 | 1.5 km (1 mile) |
| Moulsecoomb 445,000 journeys in 2024–25 | 2.5 km (1.5 miles) | |
| London Road (Brighton) 392,000 journeys in 2024–25 | 2.6 km (1.6 miles) | |
| Bus stops | 17 stops within 400 m (0.2 miles), 52 within 800 m (0.5 miles); nearest Graham Avenue Brighton | 200 m |
| Bus or coach station | Preston Park - London Road Brighton | 1.5 km (0.9 miles) |
| Car parks | Upper Moat Lodge Car Park | 2.6 km (1.6 miles) |
| EV charging points | 1 within 1.6 km (1 mile); nearest bp pulse Charging Station | 1.1 km (0.7 miles) |
| Airport with scheduled flights | London Gatwick Airport LGW | 32.3 km (20 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Carden Surgery | 1.5 km (1 mile) |
| Pharmacies | 3 pharmacies within 1.6 km (1 mile); nearest Patcham Pharmacy | 610 m (0.4 miles) |
| NHS dentists | 5 practices within 1.6 km (1 mile); nearest Dental Surgery | 370 m |
| Hospital | The Montefiore Hospital | 3.1 km (1.9 miles) |
| Police station | Brighton Crowhurst Road Police Station | 2 km (1.2 miles) |
| Cash machines | 2 machines within 800 m (0.5 miles); nearest The Cooperative Food Patcham, Patcham Cashzone | 480 m (0.3 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 4 within 800 m (0.5 miles); nearest Withdean Park 16 ha | 270 m |
| Play area | 3 within 800 m (0.5 miles); nearest Unnamed 1,230 m² | 690 m (0.4 miles) |
| Playing field | 3 within 800 m (0.5 miles); nearest Unnamed 1.2 ha | 690 m (0.4 miles) |
| Allotments | 2 within 800 m (0.5 miles); nearest Keston Allotments 1.3 ha | 330 m |
Within 800 m (0.5 miles): 4 parks and gardens, 20 hectares in all.
Landmarks
The nearest historic landmark is Southdown House and Attached Walls and Piers and Railings, a listed building (Grade II*), 580 m (0.4 miles) north-west. 36 listed buildings are within 1 km (0.6 miles), 3 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Southdown House and Attached Walls and Piers and Railings | Listed building, Grade II* | 580 m (0.4 miles) north-west |
| Patcham Place | Listed building, Grade II* | 760 m (0.5 miles) north-west |
| Church of All Saints | Listed building, Grade II* | 870 m (0.5 miles) north |
| Dovecote at Patcham Court Farm, 80m north west of All Saints Church | Scheduled monument | 940 m (0.6 miles) north |
| Hillfort, the possible remains of a Romano-Celtic temple and a group of three bowl barrows at Hollingbury | Scheduled monument | 1.8 km (1.1 miles) east |
| Preston Manor and Preston Park | Registered park or garden, Grade II | 2 km (1.3 miles) south |
| Name | What it is | From the middle of the street |
|---|---|---|
| Coney Hill | Hill | 1.2 km (0.7 miles) north-west |
| Eastwick Bottom | Valley | 1.2 km (0.8 miles) north-east |
| Tivoli Copse | Wood | 1.4 km (0.9 miles) south-west |
| Park Bottom | Valley | 1.7 km (1.1 miles) north-east |
| Lot's Pond | Lake or reservoir | 3.9 km (2.4 miles) north-east |
| Hove Beach | Beach | 4.3 km (2.7 miles) south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 8.7 | 40 | 10 |
| Fine particles (PM2.5) | 6.8 | 20 | 5 |
| Particles (PM10) | 10.3 | 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 |
|---|---|---|
| 55 to 59 | 3 | 0 |
| Under 55 | 89 | 92 |
3 of the street's 92 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 Brighton and Hove: see them on the Brighton and Hove page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Patcham Infant School | Primary | 3–7 | 280 m | Good (Nov 2022, overall grade under the previous framework) |
| Patcham High School | Secondary | 11–16 | 470 m (0.3 miles) | No published inspection |
| Patcham Junior School | Primary | 7–11 | 610 m (0.4 miles) | No published inspection |
| Varndean College | 16 plus | 16–99 | 880 m (0.5 miles) | No published inspection |
| Westdene Primary School | Primary | 3–11 | 1.1 km (0.7 miles) | No overall grade (Oct 2024, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Outstanding; Leadership and management: Outstanding |
| Dorothy Stringer School | Secondary | 11–16 | 1.2 km (0.7 miles) | Good (Oct 2023, overall grade under the previous framework) |
| Varndean School | Secondary | 11–16 | 1.2 km (0.8 miles) | Good (Oct 2022, overall grade under the previous framework) |
| Balfour Primary School | Primary | 4–11 | 1.4 km (0.8 miles) | Good (Dec 2023, overall grade under the previous framework) |
| St Bernadette's Catholic Primary School Roman Catholic | Primary | 4–11 | 1.4 km (0.9 miles) | Report card (Jan 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
| Carden Nursery and Primary School | Primary | 3–11 | 1.4 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: Strong standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Sainsbury's BN1 6SX | Retailers - supermarkets/hypermarkets | 130 m | 4 Good | 20 Mar 2024 |
| A Y Convenience BN1 8NE | Retailers - other | 130 m | 5 Very good | 20 Jun 2018 |
| Patcham Infants School BN1 8WW | School/college/university | 280 m | 5 Very good | 14 Oct 2026 |
| Patcham Infant Breakfast And After School Club BN1 8WW | School/college/university | 280 m | 5 Very good | 14 Jan 2020 |
| Bramble Cottage BN1 8NA | Hospitals/Childcare/Caring Premises | 330 m | 5 Very good | 27 May 2026 |
| Maycroft Manor Care Home BN1 8NA | Hospitals/Childcare/Caring Premises | 330 m | 5 Very good | 23 Jul 2025 |
| The Wishing Tree Children's Nursery And Pre-school BN1 8NA | Hospitals/Childcare/Caring Premises | 330 m | 5 Very good | 14 Feb 2024 |
| Salmons News BN1 8XQ | Retailers - other | 370 m | 5 Very good | 19 Mar 2019 |
| Achieve Together - 22A Carden Avenue BN1 8NA | Hospitals/Childcare/Caring Premises | 410 m (0.3 miles) | 5 Very good | 2 Feb 2026 |
| Achieve Together - 22B Carden Avenue BN1 8NA | Hospitals/Childcare/Caring Premises | 410 m (0.3 miles) | 4 Good | 2 Feb 2026 |
| Patcham High School BN1 8PB | School/college/university | 470 m (0.3 miles) | 5 Very good | 28 Jan 2026 |
| Barracudas Activity Day Camps BN1 8PB | Hospitals/Childcare/Caring Premises | 470 m (0.3 miles) | 5 Very good | 8 Apr 2026 |
| Co-op BN1 8XR | Retailers - supermarkets/hypermarkets | 480 m (0.3 miles) | 5 Very good | 8 Feb 2016 |
| Patcham Charcoal Grill BN1 8JJ | Takeaway/sandwich shop | 490 m (0.3 miles) | 5 Very good | 1 Sep 2026 |
| Wilmington Happy Shopper BN1 8JJ | Restaurant/Cafe/Canteen | 490 m (0.3 miles) | 5 Very good | 31 Jan 2024 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Anti-social behaviour | 20 |
| Violence and sexual offences | 13 |
| Criminal damage and arson | 6 |
| Vehicle crime | 4 |
| Burglary | 2 |
| Public order | 1 |
| Possession of weapons | 1 |
| Drugs | 1 |
Most of these are attached to: On or near Patchdean (20); On or near Ballards Mill Close (14); On or near Overhill Drive (6); On or near Ridgeside Avenue (3); On or near Graham Avenue (3).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 44 | 40 |
| Children under 15 | 20% | 17% |
| Aged 65 and over | 19% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 88% | 61% |
| Owned outright | 46% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 9% | 17% |
| Private rented | 4% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 61% | 57% |
| Unemployment (of those working or looking for work) | 4% | 6% |
| Retired (of adults) | 23% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 47% | 32% |
| Travel to work by car or van | 37% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 6% | 8% |
| On foot or by bicycle | 7% | 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 | 12% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 48% | 34% |
| No qualifications | 12% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 99% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The neighbourhood around this street is in decile 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.
What has changed
- Roadworks Street works permit: SOUTHERN WATER: Utility repair and maintenance works, 8 October 2026 to 12 October 2026 (no carriageway incursion) found 3 November 2026
Postcodes on this street
- BN1 8WJ: 27 addresses
- BN1 8WH: 25 addresses
- BN1 8WG: 20 addresses of 21 in the postcode
- BN1 8WF: 19 addresses
- BN1 8AL: 1 address of 5 in the postcode
Nearby streets
Grange Walk · Carden Avenue · Old Mill Close · Patcham Grange · Patchdean · Ballards Mill Close · Grangeways · Graham Avenue · Ridgeside Avenue · Overhill Gardens · Winfield Close · Dale Avenue
All the streets in BN1 and across Brighton and Hove.
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.