Lon Eglyn Rhyl, Denbighshire
27 addresses across 2 postcodes (LL18), about 100 m long, classed as a local road. USRN 46700738.
- Sales: 48 recorded sales since 1995; in 2026 the median was £141,000 across 1 sale.
- Prices and rents: A typical home in Denbighshire cost £207,130 in August 2026 (+5.2% on a year); private rents averaged £723 a month.
- Energy: 15 homes have an energy certificate (C: 4, D: 8, E: 2, F: 1).
- Flood: At least one postcode centre is in flood zone 3.
- Recorded floods: 1 recorded flood covered 1 of its 2 postcode centres, most recently in 1966.
- Coastal erosion: The nearest projected coastal erosion zone is 850 m (0.5 miles) from its postcodes.
- Energy projects: 1 renewable energy project nearby is planned or being built; the nearest, Dyserth Falls Resort, Allt Y Graig - Biomass Boilers, is 3.2 km (2 miles) away.
- Council tax: Most homes around it are in council tax band C; Band D in Denbighshire costs £2,339 a year in 2026-27.
- Broadband: Gigabit broadband is available to 65% to 100% of premises.
- Transport: The nearest railway station is Rhyl, about 2.2 km (1.3 miles) away in a straight line.
- Green space: The nearest park or garden is about 220 m away.
- Air: Background air pollution in 2024 was 3.8 µg/m³ of nitrogen dioxide and 5.0 of PM2.5, within UK legal limits.
- Height: It is about 6 m above sea level.
- Noise: 1 of its 27 addresses is modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Madryn House Surgery, about 1.4 km (0.8 miles) away.
- People: About 560 people lived in the census areas around it in 2021; 81% of households owned their home and 26% of adults held a degree or other higher qualification.
- Crime: 32 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
- Road safety: 1 collision in which someone was hurt was reported on and around it in 2021 to 2025; 1 involved a pedestrian.
£9.99 The Street Dossier Full Report for a home on Lon Eglyn: its own records, questions to ask the seller and everything on this page, in one PDF. Choose the home
House sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2026 | 1 | £141,000 | £141,000 | £141,000 |
| 2024 | 1 | £130,000 | £130,000 | £130,000 |
| 2023 | 1 | £140,000 | £140,000 | £140,000 |
| 2022 | 1 | £140,000 | £140,000 | £140,000 |
| 2021 | 1 | £115,000 | £115,000 | £115,000 |
| 2020 | 1 | £107,000 | £107,000 | £107,000 |
| 2019 | 1 | £135,000 | £135,000 | £135,000 |
| 2018 | 2 | £97,500 | £88,000 | £107,000 |
| 2016 | 1 | £95,000 | £95,000 | £95,000 |
| 2015 | 1 | £139,950 | £139,950 | £139,950 |
| 2008 | 1 | £103,700 | £103,700 | £103,700 |
| 2007 | 3 | £110,000 | £97,000 | £110,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 29 Mar 2019 | 1 LL18 4JQ | Semi-detached | £135,000 | |
| 10 Jan 1997 | 1 LL18 4JQ | Semi-detached | £35,000 | |
| 17 Aug 2023 | 2 LL18 4JQ | Terraced | £140,000 | |
| 15 Jun 2026 | 3 LL18 4JQ | Semi-detached | £141,000 | |
| 29 Sep 2021 | 3 LL18 4JQ | Semi-detached | £115,000 | |
| 21 Nov 2018 | 3 LL18 4JQ | Semi-detached | £88,000 | |
| 31 Mar 1999 | 3 LL18 4JQ | Semi-detached | £33,000 | |
| 15 Mar 2024 | 4 LL18 4JQ | Semi-detached | £130,000 | |
| 18 Jun 2004 | 5 LL18 4JQ | Detached | £82,000 | |
| 10 Jul 1998 | 6 LL18 4JQ | Semi-detached | £35,500 | |
| 17 Feb 1997 | 6 LL18 4JQ | Semi-detached | £31,000 | |
| 11 Aug 2022 | 7 LL18 4JQ | Semi-detached | £140,000 | |
| 30 Mar 2007 | 7 LL18 4JQ | Semi-detached | £110,000 | |
| 14 Apr 2004 | 7 LL18 4JQ | Semi-detached | £82,000 | |
| 1 Dec 1998 | 7 LL18 4JQ | Semi-detached | £39,750 | |
| 17 Jun 2016 | 8 LL18 4JQ | Terraced | £95,000 | |
| 30 Apr 2002 | 8 LL18 4JQ | Semi-detached | £45,000 | |
| 11 Feb 2000 | 8 LL18 4JQ | Semi-detached | £42,500 | |
| 10 Dec 1998 | 8 LL18 4JQ | Semi-detached | £36,954 | |
| 25 Oct 1996 | 9 LL18 4JQ | Terraced | £29,950 | |
| 12 Feb 2007 | 10 LL18 4JQ | Semi-detached | £97,000 | |
| 3 Feb 2006 | 10 LL18 4JQ | Semi-detached | £80,500 | |
| 10 Jan 1997 | 10 LL18 4JQ | Semi-detached | £28,500 | |
| 3 Apr 1998 | 11 LL18 4JQ | Semi-detached | £35,500 | |
| 27 Jan 2003 | 16 LL18 4JQ | Semi-detached | £56,000 | |
| 25 Nov 2005 | 17 LL18 4JQ | Terraced | £84,950 | |
| 20 Dec 2001 | 17 LL18 4JQ | Terraced | £32,500 | |
| 18 Jun 1999 | 18 LL18 4JQ | Terraced | £30,000 | |
| 2 May 1997 | 18 LL18 4JQ | Terraced | £29,500 | |
| 2 May 1996 | 18 LL18 4JQ | Terraced | £34,000 | |
| 23 Oct 2020 | 19 LL18 4JQ | Semi-detached | £107,000 | |
| 18 Jan 2008 | 19 LL18 4JQ | Semi-detached | £103,700 | |
| 10 Oct 2001 | 19 LL18 4JQ | Semi-detached | £44,950 | |
| 8 Oct 1999 | 19 LL18 4JQ | Semi-detached | £35,000 | |
| 14 Mar 1997 | 19 LL18 4JQ | Semi-detached | £38,950 | |
| 2 Apr 2004 | 20 LL18 4JQ | Semi-detached | £85,000 | |
| 26 Sep 2003 | 20 LL18 4JQ | Semi-detached | £50,000 | |
| 12 Jan 2018 | 22 LL18 4JQ | Semi-detached | £107,000 | |
| 20 Jul 2007 | 22 LL18 4JQ | Semi-detached | £110,000 | |
| 18 May 2001 | 22 LL18 4JQ | Semi-detached | £43,500 | |
| 21 Oct 2003 | 23 LL18 4JQ | Semi-detached | £74,000 | |
| 7 Dec 2001 | 23 LL18 4JQ | Semi-detached | £44,950 | |
| 12 Nov 1999 | 23 LL18 4JQ | Semi-detached | £38,500 | |
| 15 May 2015 | 25 LL18 4JQ | Detached | £139,950 | |
| 26 Nov 2004 | 25 LL18 4JQ | Detached | £161,500 | |
| 7 Nov 2003 | 26 LL18 4JQ | Detached | £115,000 | |
| 23 Apr 1999 | 26 LL18 4JQ | Detached | £54,000 | |
| 26 May 1995 | 27 LL18 4JQ | Detached | £59,950 |
House prices and rents in Denbighshire
A typical home in Denbighshire cost £207,130 in August 2026, 5.2% more than a year before. That is 23% more than five years earlier and 52% more than ten years earlier.
| Home | Typical price, Aug 2026 |
|---|---|
| Detached | £276,886 |
| Semi-detached | £189,599 |
| Terraced | £153,981 |
| Flat or maisonette | £98,224 |
| Bought by a first-time buyer | £180,855 |
Private renters in Denbighshire paid £723 a month on average in September 2026, 6.2% more than a year before. That is 33% more than five years earlier.
| Home | Average rent a month, Sep 2026 |
|---|---|
| One bedroom | £553 |
| Two bedrooms | £711 |
| Three bedrooms | £816 |
| Four or more bedrooms | £1,119 |
Energy performance certificates
15 homes with a current certificate; median floor area 52 m². Most common: House, semi-detached (9); Bungalow, end-terrace (2); House, detached (2). Built: 1983-1990 (9); 1991-1995 (3); 1976-1982 (2). Tenure at assessment: owner-occupied (8); rented (private) (3).
Each home's certificates and sales (15 addresses)
Gas and electricity use
Homes with gas used 7,298 kWh of it on average in 2024, 26% less than the district's 9,799 kWh, and 2,606 kWh of electricity, 18% less than the district's 3,171 kWh. There are gas meters for about 100% of the homes.
| Postcode | Electricity meters | Typical electricity | Gas meters | Typical gas |
|---|---|---|---|---|
| LL18 4JQ | 25 | 1,867 kWh | 25 | 7,023 kWh |
| LL18 4JG | 41 | 1,919 kWh | 41 | 7,244 kWh |
These are all the homes on each postcode, whatever their size and however many live in them, so they show the kind of homes and heating here rather than what any one home uses. The typical figure is the median: half the homes used less. The district is LL18.
Council tax
What each band costs in Denbighshire in 2026-27: Band D £2,339 a year on average, including the police and community council charges.
| A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|
| £1,559 | £1,819 | £2,079 | £2,339 | £2,859 | £3,379 | £3,898 | £4,678 | £5,458 |
Homes by band in the neighbourhoods around this street: most are in band C (42% of about 1,340 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 directions, tree preservation orders and green belt: Wales has no national record of these; the council's planning department holds them.
Energy projects nearby
1 energy project near the street's postcodes, 1 of it not yet operating.
| Project | Kind | Size | Stage | Distance |
|---|---|---|---|---|
| Dyserth Falls Resort, Allt Y Graig - Biomass Boilers Denbighshire 42/2023/0591 | Biomass | 1 MW | Permission granted, not yet built May 2024 | 3.2 km (2 miles) |
Planned projects can change or not go ahead; search the planning authority's applications by the reference shown for the plans, conditions and any objections. Construction brings traffic for some months; once built, solar farms and batteries are usually quiet, while turbines and waste plants can be seen or heard further away.
Roadworks
Street works permits come from the Department for Transport's Street Manager, which covers England only.
Flood risk
Rivers, the sea or surface water: of the 96 address points in this street's postcodes, 9 at high risk, 18 at medium risk and 63 at low risk. Each counts once, at the higher of its rivers-and-sea and surface-water risk.
Rivers and the sea alone: 9 at high risk, 18 at medium risk and 63 at low risk. Surface water and small watercourses alone: 0 at high risk, 0 at medium risk and 3 at low risk.
High: 3.3% (1 in 30) or more chance of flooding a year. Medium: 1% to 3.3%. Low: 0.1% to 1%. The map allows for flood defences. Address points are every property record (UPRN) in the postcode, each counted if it is in an area or within 5 m of one (the maps stop at building walls); a few are not homes, such as garages, business units or caravan pitches. Counts cover whole postcodes, which can include other streets.
Flood zone for planning: at least one postcode centre is in flood zone 3. Zone 3 is a 1% (1 in 100) or greater annual chance of flooding from rivers, or 0.5% from the sea, ignoring defences. Welsh zones include an allowance for climate change.
| Postcode | Planning zone | Addresses at high / medium / low risk |
|---|---|---|
| LL18 4JQ | zone 3 | 0 / 0 / 21 |
| LL18 4JG | zone 3 | 9 / 18 / 42 |
Recorded floods
1 recorded flood covered 1 of the centres of this street's postcodes, most recently in 1966 (Rhyl Cut Pumped Catchment; river).
| When | Flood | Source and cause | Postcodes |
|---|---|---|---|
| 1966 | Rhyl Cut Pumped Catchment | River; exceedance (undefended) | LL18 4JG |
Recorded floods are where floodwater was seen or surveyed after a flood. Many floods were never mapped, an outline over a postcode's centre does not mean every home in it flooded, and homes outside one may have. Ask the seller whether the home itself has flooded.
Coastal erosion
The nearest projected erosion zone is 850 m (0.5 miles) from the street's postcodes (by 2105, if defences are not maintained or built).
| Projection | Policy for the frontage | Erosion | Distance |
|---|---|---|---|
| By 2105, if defences are not maintained or built | No intervention SMP22 (Great Orme Head to Solway Firth) | up to 20 - 40 m | 850 m (0.5 miles) |
Each shoreline management plan sets a policy for each stretch of coast: hold the line (keep defences where they are), managed realignment (let the shore move back in a controlled way), advance the line, or no active intervention. Erosion is the distance the shore may move back, counted from today, for the higher central climate change allowance. The maps are guidance from national modelling, not a survey of any one home; the council's coastal team can say more.
Storm overflows
No storm overflow outlet is within 1 km (0.6 miles) of the street's postcodes in this record, which covers the overflows reported to the Environment Agency: most of Wales's are reported to Natural Resources Wales instead.
Coal mining
No postcode centre on the street is in a coalfield: the Mining Remediation Authority records no coal mining risk here.
Radon
Every 1 km square the street's postcodes are in is in the lowest band of radon potential: fewer than 1 home in 100 is estimated to be at or above the Action Level. It is not a radon Affected Area.
Historic landfill
No historic landfill site is within 500 m (0.3 miles) of the street's postcodes.
Height above sea level
The street's addresses are about 6 m above sea level.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| LL18 4JG | 100% | 65% | 65% | 0% |
| LL18 4JQ | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Rhyl 612,000 journeys in 2024–25 | 2.2 km (1.3 miles) |
| Prestatyn 369,000 journeys in 2024–25 | 3.7 km (2.3 miles) | |
| Abergele and Pensarn 105,000 journeys in 2024–25 | 8.9 km (5.5 miles) | |
| Bus stops | 8 stops within 400 m (0.2 miles), 32 within 800 m (0.5 miles); nearest Llys Dewi Rhyl | 80 m |
| Bus or coach station | Rhyl Bus Station Stand C | 2.1 km (1.3 miles) |
| Car parks | Smart Parking Morfa Hall Car Park | 2.1 km (1.3 miles) |
| EV charging points | MFG Charging Station | 2.1 km (1.3 miles) |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 40.5 km (25 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 1 practice within 1.6 km (1 mile); nearest Madryn House Surgery | 1.4 km (0.8 miles) |
| Pharmacies | 3 pharmacies within 1.6 km (1 mile); nearest Ffordd Elan Pharmacy | 130 m |
| NHS dentists | 2 practices within 1.6 km (1 mile); nearest Coastwood Dental Care | 130 m |
| Hospital | Royal Alexandra Hospital | 1.5 km (1 mile) |
| Police station | Rhyl Police Station | 2.2 km (1.4 miles) |
| Cash machines | 1 machine within 800 m (0.5 miles); nearest The Cooperative Food Rhyl, Ty Newydd Farm Estate Cashzone | 130 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 3 within 800 m (0.5 miles); nearest Unnamed 8,920 m² | 220 m |
| Largest park within 800 m (0.5 miles) | Unnamed 2.2 ha | 620 m (0.4 miles) |
| Play area | 8 within 800 m (0.5 miles); nearest Unnamed 250 m² | 210 m |
| Playing field | 3 within 800 m (0.5 miles); nearest Unnamed 1.5 ha | 190 m |
| Allotments | Unnamed 500 m² | 1.6 km (1 mile) |
Within 800 m (0.5 miles): 3 parks and gardens, 3.4 hectares in all.
Landmarks
4 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Plâs-Bruton Covert | Wood | 1.3 km (0.8 miles) south |
| Rhydorddwy-wen Covert | Wood | 1.5 km (0.9 miles) south-east |
| Traeth Dwyrain y Rhyl | Beach | 1.7 km (1.1 miles) west |
| Pwll Brickfields Pond | Lake or reservoir | 2.2 km (1.4 miles) south-west |
| Bottom | Wetland | 2.5 km (1.6 miles) north-east |
| Graig Fawr | Hill | 3.3 km (2 miles) south-east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 3.8 | 40 | 10 |
| Fine particles (PM2.5) | 5.0 | 20 | 5 |
| Particles (PM10) | 8.3 | 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 | 1 | 0 |
| Under 55 | 26 | 27 |
1 of the street's 27 addresses is 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 Denbighshire: see them on the Denbighshire page.
Nearest schools
| School | Phase | Ages | Distance | Inspection | Exam results |
|---|---|---|---|---|---|
| Ysgol Bryn Hedydd English medium | Primary | 3–11 | 780 m (0.5 miles) | Estyn reports · My Local School | Not published in Wales |
| Rhyl High School English medium | Secondary | 11–16 | 1.2 km (0.8 miles) | Estyn reports · My Local School | Not published in Wales |
| Ysgol Llywelyn English medium | Primary | 3–11 | 1.3 km (0.8 miles) | Estyn reports · My Local School | Not published in Wales |
| Christ the Word Roman Catholic English medium | All-through | 3–16 | 1.7 km (1 mile) | Estyn reports · My Local School | Not published in Wales |
| Ysgol Dewi Sant Welsh medium | Primary | 4–11 | 1.8 km (1.1 miles) | Estyn reports · My Local School | Not published in Wales |
| Ysgol Emmanuel English medium | Primary | 3–11 | 1.9 km (1.2 miles) | Estyn reports · My Local School | Not published in Wales |
Exam results are from the Department for Education's school performance tables (Explore Education Statistics, Open Government Licence), for all pupils at each school. The middle school in England had 63% at the expected standard at the end of primary school (2025), Attainment 8 of 46.0 at GCSE (2026) and an A level average of C+ (2025). Attainment 8 adds up a pupil's grades in eight GCSEs, with English and maths counted twice (90 is the most), averaged over the school's pupils. Progress 8 compares pupils with others who had the same results at the end of primary school; it is not published for GCSEs in 2025 and 2026, as those pupils sat no primary tests during the pandemic. Small year groups swing from year to year, and figures for very small ones are withheld. Wales publishes no school results tables.
Nurseries and childcare
Ofsted registers childcare in England only. In Wales, nurseries, playgroups and childminders are registered and inspected by Care Inspectorate Wales, whose directory of services lists them with their reports.
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Ffordd Elan Pharmacy LL18 4HZ | Retailers - other | 130 m | Exempt | |
| Co-op Late Shop LL18 4HZ | Retailers - supermarkets/hypermarkets | 130 m | 5 Very good | 30 Dec 2025 |
| SamTastic Labels LL18 4QG | Retailers - other | 280 m | Exempt | |
| New Pines Caravan Park LL18 4DY | Restaurant/Cafe/Canteen | 470 m (0.3 miles) | 3 Generally satisfactory | 24 Jul 2025 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 14 |
| Anti-social behaviour | 9 |
| Criminal damage and arson | 5 |
| Other theft | 3 |
| Burglary | 1 |
Most of these are attached to: On or near Sports/Recreation Area (8); On or near Lon Hedyn (6); On or near Llys Gwennol (3); On or near Maes Y Gog (3); On or near Llys Aderyn Du (3).
Road safety
1 collision in which someone was hurt was reported on and around the street in 2021 to 2025: 0 fatal, 0 serious and 1 slight. 1 involved a pedestrian. Most were on roads with a 30 mph limit.
| Year | Collisions | Fatal or serious |
|---|---|---|
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| Date | Severity | Who was hurt | Road | Conditions |
|---|---|---|---|---|
| 20 Jun 2023 14:05 | Slight | 1 person: 1 pedestrian | Minor road, 30 mph | Daylight |
Only collisions in which someone was hurt and which the police were told about are here: damage-only collisions and near misses are not, and some injuries are never reported. Positions are recorded by the police, usually to within a few metres. Each year's figures are published the following September.
Traffic on nearby roads
No traffic count point is within 500 m (0.3 miles) of the street's postcodes. The Department for Transport counts every motorway and A road and only a sample of minor roads, so a quiet residential street usually has none.
People and work
Who lives here
| Around this street | Wales | |
|---|---|---|
| Median age | 49 | 43 |
| Children under 15 | 14% | 17% |
| Aged 65 and over | 28% | 21% |
Homes
| Around this street | Wales | |
|---|---|---|
| Owned (outright or with a mortgage) | 81% | 66% |
| Owned outright | 46% | 38% |
| Shared ownership | 0% | under 1% |
| Social rented | 1% | 17% |
| Private rented | 18% | 17% |
Work and commuting
| Around this street | Wales | |
|---|---|---|
| Adults (16 and over) in work | 53% | 54% |
| Unemployment (of those working or looking for work) | 7% | 6% |
| Retired (of adults) | 31% | 25% |
| Long-term sick or disabled (of adults) | 4% | 6% |
| Work mainly from home (of those in work) | 18% | 26% |
| Travel to work by car or van | 70% | 61% |
| By train, Underground, metro or tram | under 1% | under 1% |
| By any public transport, including bus | 6% | 3% |
| On foot or by bicycle | 6% | 8% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 67% | 60% |
| Work 30 km (19 miles) or more away | 11% | 10% |
Education and languages
| Around this street | Wales | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 26% | 32% |
| No qualifications | 19% | 20% |
| Apprenticeship as highest qualification | 6% | 6% |
| Main language English or Welsh (aged 3 and over) | 99% | 97% |
| Cannot speak English well or at all | 0% | under 1% |
Deprivation
The neighbourhoods around this street are all in decile 8 of 10 on the Welsh Index of Multiple Deprivation 2025, where 1 is the most deprived tenth of Wales's 1,917 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
Nearby streets
Lon Lelog · Maes y Gog · Lon Mafon · Llys Gwennol · Lon Wen · Lon Aeron · Llys Catrin · Ffordd Elan · Lon Rhosyn · Llys Sion · Llys Dewi · Lon Hedyn
All the streets in LL18 and across Denbighshire.
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; road collisions count only those in which someone was hurt and the police were told.
- 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.