Lenham Road Sutton
140 addresses across 4 postcodes (SM1), about 430 m (0.3 miles) long, classed as a local road. USRN 22602428.
- Sales: 138 recorded sales since 1995; in 2026 the median was £612,500 across 1 sale.
- Energy: 75 homes have an energy certificate (C: 23, D: 36, E: 15, F: 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 C; Band D in Sutton costs £2,379 a year in 2026-27.
- Broadband: Gigabit broadband is available to 0% to 100% of premises.
- Transport: The nearest railway station is Sutton (London), about 530 m (0.3 miles) away in a straight line.
- Green space: The nearest park or garden, Manor Park, is about 70 m away.
- Air: Background air pollution in 2024 was 13.9 µg/m³ of nitrogen dioxide and 8.3 of PM2.5, within UK legal limits.
- Height: Its addresses are 40 to 48 m above sea level.
- Noise: 13 of its 140 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Old Court House Surgery, about 110 m away, with 9 practices within 1.6 km (1 mile).
- People: About 1,220 people lived in the census areas around it in 2021; 34% of households owned their home and 49% of adults held a degree or other higher qualification.
- Crime: 553 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 | 1 | £612,500 | £612,500 | £612,500 |
| 2025 | 1 | £670,000 | £670,000 | £670,000 |
| 2024 | 2 | £488,750 | £342,500 | £635,000 |
| 2023 | 3 | £305,000 | £135,000 | £635,000 |
| 2021 | 5 | £340,000 | £205,000 | £630,000 |
| 2020 | 1 | £305,650 | £305,650 | £305,650 |
| 2019 | 3 | £615,000 | £255,000 | £637,500 |
| 2018 | 4 | £290,000 | £196,500 | £490,000 |
| 2017 | 4 | £314,750 | £291,000 | £332,500 |
| 2016 | 6 | £302,500 | £196,000 | £530,000 |
| 2015 | 1 | £155,000 | £155,000 | £155,000 |
| 2014 | 7 | £215,000 | £100,000 | £470,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 27 Mar 2026 | 61 SM1 4BG | Semi-detached | £612,500 | |
| 5 Dec 2025 | 57 SM1 4BG | Terraced | £530,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 28 Mar 2025 | 22 SM1 4AG | Semi-detached | £670,000 | |
| 28 Jun 2024 | 42A SM1 4BG | Flat or maisonette | £342,500 | Leasehold. |
| 20 Mar 2024 | 50 SM1 4BG | Other | £5,250 | Not a standard sale (repossession, buy-to-let or transfer). |
| 4 Mar 2024 | 73 SM1 4BG | Terraced | £635,000 | |
| 15 Dec 2023 | FLAT 3, 50 SM1 4BG | Flat or maisonette | £135,000 | Leasehold. |
| 26 Oct 2023 | 12 SM1 4AG | Semi-detached | £635,000 | |
| 6 Oct 2023 | 51 SM1 4BG | Other | £640,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 28 Apr 2023 | 74A SM1 4BG | Flat or maisonette | £295,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 3 Mar 2023 | 49D SM1 4BG | Semi-detached | £305,000 | Leasehold. |
| 13 Aug 2021 | GROUND FLOOR FLAT AT, 66 SM1 4BG | Flat or maisonette | £257,000 | Leasehold. |
| 29 Jun 2021 | GROUND FLOOR FLAT, 46 SM1 4BG | Flat or maisonette | £347,500 | Leasehold. |
| 29 Jun 2021 | FLAT 2, 50 SM1 4BG | Flat or maisonette | £205,000 | Leasehold. |
| 20 May 2021 | 6 SM1 4AG | Semi-detached | £630,000 | |
| 8 Jan 2021 | 74 SM1 4BG | Flat or maisonette | £340,000 | Leasehold. |
| 21 Aug 2020 | FLAT 3, 55 SM1 4BG | Flat or maisonette | £305,650 | Leasehold. |
| 24 May 2019 | 4 SM1 4AG | Semi-detached | £637,500 | |
| 5 Apr 2019 | 66A SM1 4BG | Flat or maisonette | £255,000 | Leasehold. |
| 8 Mar 2019 | 2 SM1 4AG | Semi-detached | £615,000 | |
| 22 Jan 2019 | 68 SM1 4BG | Other | £40,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 20 Sep 2018 | 77 SM1 4BG | Semi-detached | £490,000 | |
| 1 Jun 2018 | 49C SM1 4BG | Flat or maisonette | £196,500 | Leasehold. |
| 9 Feb 2018 | TOP FLOOR FLAT, 46 SM1 4BG | Flat or maisonette | £330,000 | Leasehold. |
| 12 Jan 2018 | 60 SM1 4BG | Semi-detached | £250,000 | |
| 3 Nov 2017 | 74 SM1 4BG | Flat or maisonette | £324,500 | Leasehold. |
| 25 Oct 2017 | FLAT 3, 55 SM1 4BG | Flat or maisonette | £305,000 | Leasehold. |
| 20 Oct 2017 | 76 SM1 4BG | Terraced | £291,000 | Leasehold. |
| 3 Mar 2017 | GROUND FLOOR FLAT, 46 SM1 4BG | Flat or maisonette | £332,500 | Leasehold. |
| 7 Dec 2016 | FIRST FLOOR FLAT, 58 SM1 4BG | Flat or maisonette | £196,000 | Leasehold. |
| 10 Jun 2016 | 74 SM1 4BG | Flat or maisonette | £247,250 | Leasehold. |
| 30 Mar 2016 | 68A SM1 4BG | Flat or maisonette | £290,000 | Leasehold. |
| 10 Feb 2016 | 59 SM1 4BG | Terraced | £530,000 | |
| 25 Jan 2016 | 73 SM1 4BG | Terraced | £490,000 | |
| 13 Jan 2016 | 8A SM1 4AG | Flat or maisonette | £315,000 | Leasehold. |
| 12 Jan 2016 | 39B SM1 4BG | Flat or maisonette | £308,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 18 Sep 2015 | THE GROUND FLOOR FLAT AT, 49 SM1 4BG | Flat or maisonette | £155,000 | Leasehold. |
| 21 Nov 2014 | 49D SM1 4BG | Flat or maisonette | £236,000 | Leasehold. |
| 24 Oct 2014 | 76 SM1 4BG | Terraced | £215,000 | Leasehold. |
| 9 Sep 2014 | 43 SM1 4BG | Semi-detached | £470,000 | |
| 25 Apr 2014 | 49C SM1 4BG | Flat or maisonette | £140,000 | Leasehold. |
| 8 Apr 2014 | FLAT 4, 50 SM1 4BG | Flat or maisonette | £100,000 | Leasehold. |
| 31 Jan 2014 | 64 SM1 4BG | Flat or maisonette | £219,000 | Leasehold. |
| 31 Jan 2014 | 64A SM1 4BG | Flat or maisonette | £180,000 | Leasehold. |
| 23 Jul 2013 | 30 SM1 4AG | Semi-detached | £385,000 | |
| 18 Apr 2013 | TOP FLOOR FLAT, 46 SM1 4BG | Flat or maisonette | £235,000 | Leasehold. |
| 16 Jul 2012 | GROUND FLOOR FLAT, 44 SM1 4BG | Flat or maisonette | £197,000 | Leasehold. |
| 6 Jul 2012 | FLAT 1, 55 SM1 4BG | Flat or maisonette | £135,000 | Leasehold. |
| 28 Feb 2012 | 76 SM1 4BG | Flat or maisonette | £160,000 | Leasehold. |
| 17 Feb 2012 | 38 SM1 4AG | Detached | £350,000 |
Energy performance certificates
75 homes with a current certificate; median floor area 58 m². Most common: Flat (44); House, semi-detached (17); House, detached (3). Built: 1900-1929 (54); 1930-1949 (7); before 1900 (5). Tenure at assessment: owner-occupied (36); rented (private) (22); rented (social) (7).
Council tax
What each band costs in Sutton in 2026-27: Band D £2,379 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,586 | £1,850 | £2,114 | £2,379 | £2,907 | £3,436 | £3,964 | £4,757 |
Homes by band in the neighbourhoods around this street: most are in band C (50% of about 2,420 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)
- Times Square Car Park: up to 257 homes, not permissioned (40 m)
- Times Square Car Park: up to 263 homes, not permissioned (40 m)
- Times House: up to 53 homes, not permissioned (110 m)
- Times House: up to 71 homes, not permissioned (110 m)
- Kwikfit: up to 16 homes, not permissioned (130 m)
- Kwikfit: up to 20 homes, not permissioned (130 m)
- South of Lodge Place: up to 131 homes, not permissioned (130 m)
- South of Lodge Place: up to 142 homes, not permissioned (130 m)
Roadworks
Finished in the last three months
- 9 September 2026 to 15 September 2026: SES WATER (Formerly SUTTON & EAST SURREY WATER COMPANY), Disconnection or alteration of supply, give and take, on the footway, carriageway (immediate - urgent works)
- 4 September 2026 to 8 September 2026: SES WATER (Formerly SUTTON & EAST SURREY WATER COMPANY), Disconnection or alteration of supply, give and take, on the footway, carriageway (immediate - urgent works)
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 0 addresses are in areas at high risk, 0 at medium risk and 2 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 |
|---|---|---|---|
| SM1 4BG | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SM1 4AG | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SM1 1LF | not in 2 or 3 | 0 / 0 / 2 | unlikely |
| SM1 4AE | not in 2 or 3 | 0 / 0 / 0 | unlikely |
Height above sea level
The street's 140 addresses are between 40 m and 48 m above sea level (42 m on average); the ground rises about 8 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| SM1 1LF | 0% | 0% | 0% | 0% |
| SM1 4AE | 100% | 100% | 100% | 0% |
| SM1 4AG | 100% | 100% | 100% | 0% |
| SM1 4BG | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Sutton (London) 4.6 million journeys in 2024–25 | 530 m (0.3 miles) |
| West Sutton 266,000 journeys in 2024–25 | 1 km (0.6 miles) | |
| Sutton Common 266,000 journeys in 2024–25 | 1.2 km (0.8 miles) | |
| Bus stops | 17 stops within 400 m (0.2 miles), 58 within 800 m (0.5 miles); nearest Times Square Sutton | 80 m |
| Bus or coach station | Banstead - Fir Tree Road | 4.3 km (2.7 miles) |
| Ferry terminal | Kingston Town End Pier Kingston Upon Thames | 9.4 km (5.8 miles) |
| Car parks | 3 within 800 m (0.5 miles); nearest Times Square Car Parking | 50 m |
| EV charging points | 49 within 1.6 km (1 mile); nearest ubitricity | 10 m |
| Airport with scheduled flights | London Heathrow Airport LHR | 22.1 km (14 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 9 practices within 1.6 km (1 mile); nearest Old Court House Surgery | 110 m |
| Pharmacies | 12 pharmacies within 1.6 km (1 mile); nearest Superdrug Pharmacy | 160 m |
| NHS dentists | 12 practices within 1.6 km (1 mile); nearest Sutton Dental Centre | 110 m |
| Hospital | St Helier Hospital | 1.8 km (1.1 miles) |
| Police station | Sutton Police Station | 330 m |
| Cash machines | 10 machines within 800 m (0.5 miles); nearest M&S ATM | 160 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 1 within 800 m (0.5 miles); nearest Manor Park 2.1 ha | 70 m |
| Play area | 9 within 800 m (0.5 miles); nearest Unnamed 1,060 m² | 160 m |
| Playing field | 1 within 800 m (0.5 miles); nearest Benhill Recreation Ground 2.5 ha | 650 m (0.4 miles) |
| Allotments | 1 within 800 m (0.5 miles); nearest Duke Street Allotments 3,200 m² | 660 m (0.4 miles) |
Within 800 m (0.5 miles): 1 park or garden, 2.1 hectares in all.
Landmarks
The nearest historic landmark is Milestone in Sutton High Street, a scheduled monument, 290 m north-west. 18 listed buildings are within 1 km (0.6 miles), 3 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Milestone in Sutton High Street | Scheduled monument | 290 m north-west |
| Church of St Nicholas | Listed building, Grade II* | 320 m south-west |
| Sutton Baptist Church including the church hall and Sutton Baptist Church Sunday School | Listed building, Grade II* | 420 m (0.3 miles) south-west |
| Church of All Saints | Listed building, Grade II* | 940 m (0.6 miles) north |
| Milestone outside No. 135 Cheam Road, Cheam | Scheduled monument | 1.2 km (0.8 miles) south-west |
| Milestone in Brighton Road | Scheduled monument | 1.4 km (0.9 miles) south |
| Carshalton House (St Philomena's School) | Registered park or garden, Grade II | 1.5 km (1 mile) east |
| Name | What it is | From the middle of the street |
|---|---|---|
| Greenshaw Wood | Wood | 1.8 km (1.1 miles) north |
| Wellfield Plantation | Wood | 2.2 km (1.3 miles) south-east |
| River Wandle (Carshalton Branch) | Lake or reservoir | 2.2 km (1.4 miles) east |
| Queen Mary's Woodland | Wood | 2.3 km (1.5 miles) south-east |
| The Wood | Wood | 2.5 km (1.5 miles) west |
| Howell Hill | Hill | 3.5 km (2.2 miles) south-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 13.9 | 40 | 10 |
| Fine particles (PM2.5) | 8.3 | 20 | 5 |
| Particles (PM10) | 12.8 | 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 |
|---|---|---|
| 60 to 64 | 1 | 0 |
| 55 to 59 | 12 | 0 |
| Under 55 | 127 | 140 |
13 of the street's 140 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 Sutton: see them on the Sutton page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Sutton Grammar School | Secondary | 11–18 | 130 m | Good (Jun 2022, overall grade under the previous framework) |
| Manor Park Primary Academy | Primary | 2–11 | 200 m | No overall grade (Jun 2025, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Outstanding; Leadership and management: Outstanding |
| Robin Hood Junior School | Primary | 7–11 | 370 m | No published inspection |
| Thomas Wall Nursery School | Nursery | 3–5 | 690 m (0.4 miles) | No overall grade (May 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| Robin Hood Infants' School | Primary | 5–7 | 690 m (0.4 miles) | Report card (May 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
| All Saints Benhilton CofE Primary School Church of England | Primary | 3–11 | 920 m (0.6 miles) | No published inspection |
| Devonshire Primary School | Primary | 3–11 | 1.1 km (0.7 miles) | No overall grade (Jan 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| Westbourne Primary School | Primary | 3–11 | 1.3 km (0.8 miles) | Good (Mar 2023, overall grade under the previous framework) |
| Overton Grange School | Secondary | 11–18 | 1.4 km (0.9 miles) | No overall grade (Dec 2024, graded inspection without an overall judgement): Quality of education: Requires improvement; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| Greenshaw High School | Secondary | 11–18 | 1.5 km (0.9 miles) | No overall grade (Oct 2024, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Good; Leadership and management: Outstanding |
| St Philomena's Catholic High School for Girls Roman Catholic | Secondary | 11–18 | 1.5 km (0.9 miles) | Good (Feb 2022, overall grade under the previous framework) |
| Carshalton High School for Girls | Secondary | 11–18 | 1.6 km (1 mile) | No published inspection |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Cakemono SM1 4AF | Manufacturers/packers | 100 m | 5 Very good | 18 Jul 2024 |
| Dragonflies Nursery Oru SM1 4AF | Hospitals/Childcare/Caring Premises | 100 m | 4 Good | 15 May 2026 |
| Impact Food Group @ Sutton Grammar SM1 4AS | Hospitals/Childcare/Caring Premises | 130 m | 4 Good | 16 Jan 2026 |
| Mica Cafe SM1 1LF | Restaurant/Cafe/Canteen | 130 m | 5 Very good | 16 Jan 2026 |
| Sports Direct SM1 1LF | Retailers - other | 130 m | Exempt | |
| M And S Cafe SM1 1NQ | Restaurant/Cafe/Canteen | 150 m | Exempt | |
| Marks And Spencer SM1 1NQ | Retailers - supermarkets/hypermarkets | 150 m | 5 Very good | 19 Jan 2024 |
| M And S Staff Canteen SM1 1NQ | Restaurant/Cafe/Canteen | 150 m | Exempt | |
| Holland And Barrett SM1 1LX | Retailers - other | 150 m | 5 Very good | 17 Dec 2024 |
| Kokoro SM1 1LX | Takeaway/sandwich shop | 160 m | 5 Very good | 28 May 2025 |
| Starbucks Coffee Company SM1 1LX | Restaurant/Cafe/Canteen | 160 m | 5 Very good | 22 Oct 2025 |
| Crispy Dosa SM1 1LU | Restaurant/Cafe/Canteen | 160 m | 4 Good | 16 Jun 2026 |
| Bangkok Pad Thai SM1 1LT | Other catering premises | 170 m | 5 Very good | 25 Mar 2026 |
| Jamaica Blue Sutton SM1 1NL | Restaurant/Cafe/Canteen | 180 m | 5 Very good | 30 Mar 2026 |
| Tea San SM1 1JF | Takeaway/sandwich shop | 190 m | 5 Very good | 8 Jan 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 153 |
| Shoplifting | 141 |
| Anti-social behaviour | 57 |
| Public order | 47 |
| Other theft | 43 |
| Theft from the person | 26 |
| Robbery | 24 |
| Drugs | 16 |
| Criminal damage and arson | 15 |
| Vehicle crime | 11 |
| Burglary | 11 |
| Bicycle theft | 4 |
| Other crime | 3 |
| Possession of weapons | 2 |
Most of these are attached to: On or near Shopping Area (251); On or near Lodge Place (56); On or near Manor Place (51); On or near Parking Area (50); On or near Nightclub (26).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 37 | 40 |
| Children under 15 | 19% | 17% |
| Aged 65 and over | 13% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 34% | 61% |
| Owned outright | 15% | 33% |
| Shared ownership | 7% | 1% |
| Social rented | 26% | 17% |
| Private rented | 33% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 66% | 57% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 13% | 22% |
| Long-term sick or disabled (of adults) | 3% | 4% |
| Work mainly from home (of those in work) | 37% | 32% |
| Travel to work by car or van | 24% | 48% |
| By train, Underground, metro or tram | 14% | 4% |
| By any public transport, including bus | 26% | 8% |
| On foot or by bicycle | 9% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 72% | 65% |
| Work 30 km (19 miles) or more away | 2% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 49% | 34% |
| No qualifications | 15% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 75% | 91% |
| Cannot speak English well or at all | 4% | 2% |
Deprivation
The 2 neighbourhoods around this street are in deciles 4 to 8 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
Nothing new since the change feed started on 30 October 2026. New sales and energy certificates, and hygiene ratings, school inspections and flood figures nearby, will be listed here as the sources update.
Postcodes on this street
- SM1 4BG: 115 addresses of 117 in the postcode
- SM1 4AG: 23 addresses
- SM1 1LF: 1 address of 79 in the postcode
- SM1 4AE: 1 address of 13 in the postcode
Nearby streets
Manor Lane · High Street · Lodge Place · Warwick Road · Throwley Way · Litchfield Road · Manor Park Road · Mason Road · Manor Place · Hope Close · Church Street · Throwley Road
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.