Grendon Road Exeter
169 addresses across 6 postcodes (EX1), about 180 m long, classed as a local road. USRN 14200351.
- Energy: 149 homes have an energy certificate (B: 33, C: 96, D: 19, E: 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 A; Band D in Exeter costs £2,495 a year in 2026-27.
- Broadband: Gigabit broadband is available to 0% to 100% of premises.
- Transport: The nearest railway station is St James Park (Exeter), about 1.1 km (0.7 miles) away in a straight line.
- Green space: There is a small park or garden about 220 m away, and Heavitree Pleasure Ground (8.5 hectares) is about 780 m (0.5 miles) away.
- Air: Background air pollution in 2024 was 7.4 µg/m³ of nitrogen dioxide and 5.6 of PM2.5, within UK legal limits.
- Height: Its addresses are 54 to 60 m above sea level.
- Noise: 6 of its 169 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Isca Medical Practice, about 490 m (0.3 miles) away, with 9 practices within 1.6 km (1 mile).
- People: About 580 people lived in the census areas around it in 2021; 21% of households owned their home and 34% of adults held a degree or other higher qualification.
- Crime: 114 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 |
|---|
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 20 Sep 2019 | FLAT 1A, FARADAY HOUSE EX1 2NQ | Flat or maisonette | £120,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
Energy performance certificates
149 homes with a current certificate; median floor area 47 m². Most common: Flat (145); House, enclosed mid-terrace (2); House, end-terrace (1). Built: 1967-1975 (51); 1976-1982 (48); 2023 (18). Tenure at assessment: rented (social) (113); owner-occupied (23); rented (private) (1).
Each home's certificates and sales (100 addresses)
- Flat 1 Faraday House, Grendon Road
- Flat 1/A Faraday House, Grendon Road
- Flat 2 Faraday House, Grendon Road
- Flat 2/B Faraday House, Grendon Road
- Flat 2/C Faraday House, Grendon Road
- Flat 2a, Faraday House, Grendon Road
- Flat 3 Faraday House, Grendon Road
- Flat 3 Gainsborough House, Grendon Road
- Flat 3a, Faraday House, Grendon Road
- Flat 4 Faraday House, Grendon Road
- Flat 4 Gainsborough House, Grendon Road
- Flat 4/A Faraday House, Grendon Road
- Flat 4/A Mortimer House, Grendon Road
- Flat 4/C Faraday House, Grendon Road
- Flat 5 Faraday House, Grendon Road
- Flat 5/A Mortimer House, Grendon Road
- Flat 5/B Faraday House, Grendon Road
- Flat 6 Faraday House, Grendon Road
- Flat 6/A Mortimer House, Grendon Road
- Flat 7/A Faraday House, Grendon Road
- Flat 7/A Mortimer House, Grendon Road
- Flat 7b, Faraday House, Grendon Road
- Flat 8 Faraday House, Grendon Road
- Flat 8 Gainsborough House, Grendon Road
- Flat 8/A Mortimer House, Grendon Road
- Flat 8/B Faraday House, Grendon Road
- Flat 9/A Mortimer House, Grendon Road
- Flat 9/B Faraday House, Grendon Road
- Flat 9/C Faraday House, Grendon Road
- Flat 9a, Faraday House, Grendon Road
- Flat 10 Gainsborough House, Grendon Road
- Flat 10/A Faraday House, Grendon Road
- Flat 10/A Mortimer House, Grendon Road
- Flat 10/C Faraday House, Grendon Road
- Flat 11/A Mortimer House, Grendon Road
- Flat 11/B Faraday House, Grendon Road
- Flat 11/C Faraday House, Grendon Road
- Flat 12 Gainsborough House, Grendon Road
- Flat 12/A Faraday House, Grendon Road
- Flat 12/A Mortimer House, Grendon Road
- Flat 12/C Faraday House, Grendon Road
- Flat 14 Gainsborough House, Grendon Road
- Flat 14/B Mortimer House, Grendon Road
- Flat 15 Gainsborough House, Grendon Road
- Flat 15/B Mortimer House, Grendon Road
- Flat 16 Gainsborough House, Grendon Road
- Flat 16/B Mortimer House, Grendon Road
- Flat 17 Gainsborough House, Grendon Road
- Flat 17/B Mortimer House, Grendon Road
- Flat 18 Gainsborough House, Grendon Road
- Flat 18/B Mortimer House, Grendon Road
- Flat 19/B Mortimer House, Grendon Road
- Flat 20 Gainsborough House, Grendon Road
- Flat 20/B Mortimer House, Grendon Road
- Flat 21/B Mortimer House, Grendon Road
- Flat 22/B Mortimer House, Grendon Road
- Flat 23/B Mortimer House, Grendon Road
- Flat 24/B Mortimer House, Grendon Road
- Flat 25/B Mortimer House, Grendon Road
- Flat 26/B Mortimer House, Grendon Road
- Flat 27/B Mortimer House, Grendon Road
- Flat 28/B Mortimer House, Grendon Road
- Flat 29/C Mortimer House, Grendon Road
- Flat 30/C Mortimer House, Grendon Road
- Flat 31/C Mortimer House, Grendon Road
- Flat 33/C Mortimer House, Grendon Road
- Flat 34/C Mortimer House, Grendon Road
- Flat 35/C Mortimer House, Grendon Road
- Flat 36/C Mortimer House, Grendon Road
- Flat 37/C Mortimer House, Grendon Road
- Flat 38/C Mortimer House, Grendon Road
- Flat 39/C Mortimer House, Grendon Road
- Flat 40/C Mortimer House, Grendon Road
- Flat 41/C Mortimer House, Grendon Road
- Flat 42/C Mortimer House, Grendon Road
- Flat 43/C Mortimer House, Grendon Road
- Flat 44/D Mortimer House, Grendon Road
- Flat 45/D Mortimer House, Grendon Road
- Flat 46/D Mortimer House, Grendon Road
- Flat 47/D Mortimer House, Grendon Road
- Flat 48/D Mortimer House, Grendon Road
- Flat 49/D Mortimer House, Grendon Road
- Flat 50/D Mortimer House, Grendon Road
- Flat 51/D Mortimer House, Grendon Road
- Flat 52/D Mortimer House, Grendon Road
- Flat 53/D Mortimer House, Grendon Road
- Flat 54/D Mortimer House, Grendon Road
- Flat 55/D Mortimer House, Grendon Road
- Flat 56/D Mortimer House, Grendon Road
- Flat 57/D Mortimer House, Grendon Road
- Flat 58/D Mortimer House, Grendon Road
- Flat 59/E Mortimer House, Grendon Road
- Flat 60/E Mortimer House, Grendon Road
- Flat 61/E Mortimer House, Grendon Road
- Flat 62/E Mortimer House, Grendon Road
- Flat 63/E Mortimer House, Grendon Road
- Flat 64/E Mortimer House, Grendon Road
- Flat 65/E Mortimer House, Grendon Road
- Flat 66/E Mortimer House, Grendon Road
- Flat 68/E Mortimer House, Grendon Road
Council tax
What each band costs in Exeter in 2026-27: Band D £2,495 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,664 | £1,941 | £2,218 | £2,495 | £3,050 | £3,604 | £4,159 | £4,991 |
Homes by band in the neighbourhoods around this street: most are in band A (59% of about 2,450 homes).
Planning and heritage
- Conservation area: yes, Mont Le Grand, St Leonards (council page). Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings on or by this street: 3.
- 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
- ATTWILL-KINGDON ALMHOUSES, grade II
- GRENDON'S ALMHOUSES, grade II
- STREET WALL FRONTING GRENDON'S AND ATTWILL KINGDON ALMSHOUSES, grade II
Brownfield land registered for housing within 1 km (0.6 miles)
- 47 Homefield Road, Exeter, EX1 2QR: up to 26 homes, permissioned (380 m)
- Clifton Hill Sports Centre, Clifton Hill, Exeter, EX1 2DJ: up to 41 homes, permissioned (450 m (0.3 miles))
- Former site of Public House The Globe, 39 Clifton Road, Exeter, EX1 2BL: up to 5 homes, permissioned (550 m (0.3 miles))
- Cardinal Newman House, Wonford Road, Exeter, EX2 4PF, permissioned (630 m (0.4 miles))
- East Gate, Exeter: up to 609 homes (670 m (0.4 miles))
- Land at Summerland Street (between Red Lion Lane and Verney Street), Exeter, EX1 2AL, permissioned (780 m (0.5 miles))
- Hurst Almshouses, 2-24 Fairpark Road, Exeter, EX2 4HL: up to 19 homes, permissioned (850 m (0.5 miles))
- Keble House, Southernhay Gardens, Exeter, EX1 1NT: up to 30 homes, permissioned (880 m (0.5 miles))
Roadworks
No street works under way, planned or finished in the last three months on this street, in permits up to 30 September 2026.
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 169 addresses are between 54 m and 60 m above sea level (58 m on average); the ground rises about 5 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| EX1 2NB | 100% | 100% | 100% | 0% |
| EX1 2NF | 100% | 98% | 98% | 0% |
| EX1 2NH | 100% | 100% | 100% | 0% |
| EX1 2NJ | 100% | 100% | 100% | 0% |
| EX1 2NL | 100% | 0% | 0% | 0% |
| EX1 2NQ | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | St James Park (Exeter) 145,000 journeys in 2024–25 | 1.1 km (0.7 miles) |
| Polsloe Bridge 189,000 journeys in 2024–25 | 1.2 km (0.7 miles) | |
| Exeter Central 3.0 million journeys in 2024–25 | 1.5 km (0.9 miles) | |
| Bus stops | 6 stops within 400 m (0.2 miles), 45 within 800 m (0.5 miles); nearest Grendon Road Heavitree | 60 m |
| Bus or coach station | Bus Station Exeter City Centre | 770 m (0.5 miles) |
| Ferry terminal | Topsham Ferry Landing | 5.5 km (3.4 miles) |
| Car parks | 1 within 800 m (0.5 miles); nearest Triangle Car Park | 600 m (0.4 miles) |
| EV charging points | 15 within 1.6 km (1 mile); nearest Shell Recharge Charging Station | 200 m |
| Airport with scheduled flights | Exeter International Airport EXT | 7.1 km (4.4 miles) |
| Nearest large airport | Cardiff International Airport CWL | 75.8 km (47 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 9 practices within 1.6 km (1 mile); nearest Isca Medical Practice | 490 m (0.3 miles) |
| Pharmacies | 7 pharmacies within 1.6 km (1 mile); nearest Allied Pharmacy Heavitree | 620 m (0.4 miles) |
| NHS dentists | 16 practices within 1.6 km (1 mile); nearest Spicer Road Dental Practice | 430 m (0.3 miles) |
| Hospital | Heavitree Hospital | 170 m |
| Police station | Heavitree Road Police Station Exeter | 300 m |
| Cash machines | 1 machines within 800 m (0.5 miles); nearest Morrisons Daily - Exeter Cashzone | 140 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m (0.5 miles); nearest Unnamed 2,960 m² | 220 m |
| Largest park within 800 m (0.5 miles) | Heavitree Pleasure Ground 8.5 ha | 780 m (0.5 miles) |
| Play area | 2 within 800 m (0.5 miles); nearest Unnamed 720 m² | 550 m (0.3 miles) |
| Playing field | 2 within 800 m (0.5 miles); nearest Unnamed 5,070 m² | 450 m (0.3 miles) |
| Allotments | 1 within 800 m (0.5 miles); nearest Unnamed 1,950 m² | 520 m (0.3 miles) |
Within 800 m (0.5 miles): 2 parks and gardens, 8.8 hectares in all.
Landmarks
The nearest historic landmark is 151-155, Magdalen Road, a listed building (Grade II*), 180 m south-east. 184 listed buildings are within 1 km (0.6 miles), 14 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| 151-155, Magdalen Road | Listed building, Grade II* | 180 m south-east |
| Church of Saint Michael and All Angels | Listed building, Grade II* | 590 m (0.4 miles) south-east |
| 12 and 14, Magdalen Road | Listed building, Grade II* | 670 m (0.4 miles) south-west |
| 34-40, Wonford Road | Listed building, Grade II* | 710 m (0.4 miles) south-west |
| Underground passages | Scheduled monument | 1 km (0.7 miles) west |
| Medieval bridge and part of a late medieval conduit under Holloway Street | Scheduled monument | 1.1 km (0.7 miles) south-west |
| Law Library, Cathedral Yard | Scheduled monument | 1.1 km (0.7 miles) west |
| Larkbeare House | Registered park or garden, Grade II | 1.2 km (0.7 miles) south-west |
| Northernhay and Rougemont Gardens | Registered park or garden, Grade II | 1.3 km (0.8 miles) west |
| Name | What it is | From the middle of the street |
|---|---|---|
| Salmon Pool | Lake or reservoir | 1.7 km (1.1 miles) south |
| Duck's Marsh | Wetland | 1.8 km (1.1 miles) south |
| Pyne's Hill | Hill | 2.2 km (1.4 miles) south-east |
| Grassway Wood | Wood | 2.4 km (1.5 miles) north-west |
| Lower Covert | Wood | 2.5 km (1.5 miles) north |
| Fairy Dell | Valley | 3.2 km (2 miles) north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 7.4 | 40 | 10 |
| Fine particles (PM2.5) | 5.6 | 20 | 5 |
| Particles (PM10) | 9.4 | 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 |
| 55 to 59 | 5 | 0 |
| Under 55 | 163 | 169 |
6 of the street's 169 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 Exeter: see them on the Exeter page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| Newtown Primary School | Primary | 4–11 | 480 m (0.3 miles) | Requires improvement (Sep 2021, overall grade under the previous framework) |
| Ladysmith Infant & Nursery School | Primary | 3–7 | 530 m (0.3 miles) | Requires improvement (Feb 2023, overall grade under the previous framework) |
| Ladysmith Junior School | Primary | 7–11 | 570 m (0.4 miles) | Requires improvement (May 2024, overall grade under the previous framework) |
| St Michael's Church of England Primary Academy | Primary | 2–11 | 640 m (0.4 miles) | No overall grade (Feb 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| St Leonard's (CofE) Primary School Church of England | Primary | 5–11 | 940 m (0.6 miles) | No overall grade (Jan 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Outstanding; Leadership and management: Outstanding |
| St Sidwell's Church of England Primary School & Nursery | Primary | 3–11 | 1 km (0.6 miles) | Report card (Jan 2026): Curriculum and teaching: Strong standard; Achievement: Strong standard; Attendance and behaviour: Strong standard; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Strong standard; Early years: Strong standard; Safeguarding standards: Met |
| Exeter Mathematics School | 16 plus | 16–19 | 1.2 km (0.7 miles) | No published inspection |
| Wynstream Primary School Academy | Primary | 3–11 | 1.4 km (0.9 miles) | Report card (Mar 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; 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 |
| Stoke Hill Infant and Nursery School | Primary | 3–7 | 1.4 km (0.9 miles) | No overall grade (Feb 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| Chestnut Nursery School - Exeter Nursery Schools Federation | Nursery | 2–5 | 1.5 km (0.9 miles) | No published inspection |
| Whipton Barton Infants and Nursery School | Primary | 2–7 | 1.7 km (1 mile) | No published inspection |
| Whipton Barton Junior School | Primary | 7–11 | 1.7 km (1 mile) | Good (Jun 2023, overall grade under the previous framework) |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Flourish Cafe EX1 2NJ | Restaurant/Cafe/Canteen | 40 m | 5 Very good | 7 Nov 2022 |
| Dove Tree House EX1 2ND | Hospitals/Childcare/Caring Premises | 70 m | 4 Good | 12 Dec 2025 |
| Discovery EX1 2ND | Hospitals/Childcare/Caring Premises | 70 m | 5 Very good | 9 Sep 2026 |
| The Gurkha Kitchen EX1 2LZ | Restaurant/Cafe/Canteen | 100 m | 5 Very good | 23 Jan 2025 |
| Savour Cafe EX1 2ED | Restaurant/Cafe/Canteen | 130 m | 5 Very good | 6 Nov 2025 |
| Morrisons Daily EX1 2NG | Retailers - supermarkets/hypermarkets | 140 m | 4 Good | 8 May 2025 |
| Sushi Daily EX1 2EB | Retailers - other | 170 m | 5 Very good | 22 Oct 2025 |
| Hartnell's Butchers EX1 2NF | Retailers - other | 180 m | 4 Good | 28 Oct 2025 |
| Puffins Kindergarten EX1 2PD | Hospitals/Childcare/Caring Premises | 180 m | 4 Good | 29 Apr 2026 |
| Sunnys EX1 2LZ | Restaurant/Cafe/Canteen | 190 m | 5 Very good | 30 Oct 2025 |
| Cross Keys Bar & Cafe EX1 2LT | Pub/bar/nightclub | 250 m | 5 Very good | 22 Sep 2026 |
| Nanny Bears Childcare EX2 5ED | Hospitals/Childcare/Caring Premises | 260 m | 5 Very good | 11 Mar 2025 |
| Waitrose EX1 2EB | Retailers - supermarkets/hypermarkets | 270 m | 5 Very good | 12 Feb 2025 |
| Puffins Nursery EX2 4NP | Hospitals/Childcare/Caring Premises | 320 m | 5 Very good | 27 May 2026 |
| Refresh Cafe EX1 2QJ | Restaurant/Cafe/Canteen | 410 m (0.3 miles) | 5 Very good | 27 Mar 2026 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 41 |
| Anti-social behaviour | 23 |
| Other theft | 10 |
| Shoplifting | 9 |
| Public order | 8 |
| Criminal damage and arson | 8 |
| Bicycle theft | 5 |
| Burglary | 5 |
| Drugs | 1 |
| Theft from the person | 1 |
| Vehicle crime | 1 |
| Possession of weapons | 1 |
| Robbery | 1 |
Most of these are attached to: On or near Gladstone Road (48); On or near Grendon Road (33); On or near B3183 (12); On or near Dreys Court (11); On or near Old Coach Lane (9).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 35 | 40 |
| Children under 15 | 7% | 17% |
| Aged 65 and over | 24% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 21% | 61% |
| Owned outright | 11% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 49% | 17% |
| Private rented | 30% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 36% | 57% |
| Unemployment (of those working or looking for work) | 14% | 6% |
| Retired (of adults) | 24% | 22% |
| Long-term sick or disabled (of adults) | 7% | 4% |
| Work mainly from home (of those in work) | 39% | 32% |
| Travel to work by car or van | 22% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 9% | 8% |
| On foot or by bicycle | 28% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 89% | 65% |
| Work 30 km (19 miles) or more away | 7% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 34% | 34% |
| No qualifications | 20% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 89% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The 2 neighbourhoods around this street are in deciles 3 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.
What has changed
- Energy certificates New energy certificate: band C, flat (lodged 30 October 2026) found 2 November 2026
- Energy certificates New energy certificate: band C, flat (lodged 30 October 2026) found 2 November 2026
- Energy certificates New energy certificate: band C, flat (lodged 29 October 2026) found 2 November 2026
Postcodes on this street
- EX1 2NL: 66 addresses of 67 in the postcode
- EX1 2NQ: 47 addresses of 48 in the postcode
- EX1 2NJ: 29 addresses
- EX1 2NH: 25 addresses of 26 in the postcode
- EX1 2NB: 1 address of 9 in the postcode
- EX1 2NF: 1 address of 56 in the postcode
Nearby streets
Heavitree Road · Dreys Court · Mont le Grand · Baring Crescent · Old Coach Lane · Regent's Park · Magdalen Road · Bicton Place · Gladstone Road · Cavendish Road · Victoria Park Road · Manston Terrace
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.