Whinfell Grove Runcorn, Halton
11 addresses across 2 postcodes (WA7), about 70 m long, classed as a local road. USRN 16100449.
- Sales: 2 recorded sales since 1995; in 2004 the median was £159,950 across 1 sale.
- Prices and rents: A typical home in Halton cost £189,435 in August 2026 (-2.3% on a year); private rents averaged £754 a month.
- Energy: 1 homes have an energy certificate (D: 1).
- Flood: 1 address on its postcodes is in areas at high or medium risk of flooding from rivers, the sea or surface water.
- Recorded floods: No recorded flood covers the centre of any of its postcodes.
- Energy projects: 1 renewable energy project nearby is planned or being built; the nearest, Cholmondeley Road - Battery Storage, is 740 m (0.5 miles) away.
- Traffic: The busiest counted road within 500 m (0.3 miles), the A557, carries 44,707 motor vehicles a day on average (2025).
- Council tax: Most homes around it are in council tax band D; Band D in Halton costs £2,367 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Frodsham, about 2.7 km (1.7 miles) away in a straight line.
- Green space: The nearest park or garden is about 130 m away.
- Air: Background air pollution in 2024 was 10.5 µg/m³ of nitrogen dioxide and 6.4 of PM2.5, within UK legal limits.
- Height: Its addresses are 52 to 55 m above sea level.
- Noise: 6 of its 11 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Weaver Vale Practice, about 1.1 km (0.7 miles) away, with 2 practices within 1.6 km (1 mile).
- People: About 580 people lived in the census areas around it in 2021; 91% of households owned their home and 24% of adults held a degree or other higher qualification.
- Crime: 16 crimes were recorded within 250 m between September 2025 and August 2026, most often violence and sexual offences.
- Road safety: No collisions in which someone was hurt were reported on and around it in 2021 to 2025.
£9.99 The Street Dossier Full Report for a home on Whinfell Grove: 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 |
|---|---|---|---|---|
| 2004 | 1 | £159,950 | £159,950 | £159,950 |
| 1995 | 1 | £63,000 | £63,000 | £63,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 14 Jun 2004 | 5 WA7 2RS | Detached | £159,950 | |
| 15 Dec 1995 | 5 WA7 2RS | Flat or maisonette | £63,000 | Leasehold. |
House prices and rents in Halton
A typical home in Halton cost £189,435 in August 2026, 2.3% less than a year before. That is 23% more than five years earlier and 57% more than ten years earlier.
| Home | Typical price, Aug 2026 |
|---|---|
| Detached | £316,315 |
| Semi-detached | £200,821 |
| Terraced | £156,208 |
| Flat or maisonette | £102,027 |
| Bought by a first-time buyer | £168,586 |
Private renters in Halton paid £754 a month on average in September 2026, 6.9% more than a year before. That is 33% more than five years earlier.
| Home | Average rent a month, Sep 2026 |
|---|---|
| One bedroom | £549 |
| Two bedrooms | £690 |
| Three bedrooms | £832 |
| Four or more bedrooms | £1,169 |
Energy performance certificates
1 home with a current certificate; median floor area 84 m². Most common: House, detached (1). Built: 1976-1982 (1). Tenure at assessment: rented (private) (1).
Each home's certificates and sales (1 address)
Gas and electricity use
Homes with gas used 10,420 kWh of it on average in 2024, 10% more than the district's 9,467 kWh, and 3,020 kWh of electricity, about the same as the district. There are gas meters for about 100% of the homes.
| Postcode | Electricity meters | Typical electricity | Gas meters | Typical gas |
|---|---|---|---|---|
| WA7 2RS | 9 | 3,019 kWh | 9 | 10,749 kWh |
| WA7 2RP | 18 | 2,301 kWh | 18 | 9,848 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 WA7.
Council tax
What each band costs in Halton in 2026-27: Band D £2,367 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,578 | £1,841 | £2,104 | £2,367 | £2,893 | £3,418 | £3,944 | £4,733 |
Homes by band in the neighbourhoods around this street: most are in band D (38% of about 1,050 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)
- Land to the rear of Gaunts Way, Hallwood Park, Runcorn: up to 65 homes, not permissioned (630 m (0.4 miles))
- Land to the rear of Gaunts Way, Hallwood Park, Runcorn: up to 65 homes, not permissioned (630 m (0.4 miles))
- Land to the east of Kestrel's Way, Hallwood Park, Runcorn: up to 35 homes, not permissioned (900 m (0.6 miles))
- Land to the east of Kestrel's Way, Hallwood Park, Runcorn: up to 35 homes, not permissioned (1 km (0.6 miles))
Energy projects nearby
4 energy projects near the street's postcodes, 1 of them not yet operating.
| Project | Kind | Size | Stage | Distance |
|---|---|---|---|---|
| Cholmondeley Road - Battery Storage Halton 21/00565/FUL | Battery storage | 150 MW | Permission granted, not yet built Aug 2022 | 740 m (0.5 miles) |
| Runcorn EfW | Energy from waste (incinerator) | 100 MW | Operational Jun 2013 | 3.3 km (2 miles) |
| Frodsham Marsh | Wind 19 turbines | 50.4 MW | Operational Nov 2016 | 4.6 km (2.9 miles) |
| Granox Biogas Plant Halton 12/00156/FULEIA | Anaerobic digestion | 5 MW | Operational Jun 2014 | 4.8 km (3 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
No street works under way, planned or finished in the last three months on this street, in permits up to 31 October 2026.
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 1 address is in areas at high risk, 0 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 |
|---|---|---|---|
| WA7 2RS | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| WA7 2RP | not in 2 or 3 | 1 / 0 / 1 | unlikely |
Recorded floods
No recorded flood covers the centre of any of this street's postcodes.
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
No projected coastal erosion zone is within 1 km (0.6 miles) of the street's postcodes.
Storm overflows
No storm overflow outlet is within 1 km (0.6 miles) of the street's postcodes.
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 11 addresses are between 52 m and 55 m above sea level (53 m on average).
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| WA7 2RP | 100% | 100% | 100% | 0% |
| WA7 2RS | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Frodsham 269,000 journeys in 2024–25 | 2.7 km (1.7 miles) |
| Runcorn East 196,000 journeys in 2024–25 | 2.9 km (1.8 miles) | |
| Runcorn 732,000 journeys in 2024–25 | 3.3 km (2 miles) | |
| Bus stops | 4 stops within 400 m (0.2 miles), 16 within 800 m (0.5 miles); nearest Beechwood | 100 m |
| Car parks | Frodsham Station Car Park | 2.7 km (1.7 miles) |
| EV charging points | Moor Lane Car Park GeniePoint | 2.8 km (1.7 miles) |
| Airport with scheduled flights | Liverpool John Lennon Airport LPL | 9.8 km (6.1 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 2 practices within 1.6 km (1 mile); nearest Weaver Vale Practice Good Sep 2016 | 1.1 km (0.7 miles) |
| Pharmacies | 4 pharmacies within 1.6 km (1 mile); nearest Superdrug Pharmacy | 1.3 km (0.8 miles) |
| NHS dentists | 3 practices within 1.6 km (1 mile); nearest Dental Surgery | 1.1 km (0.7 miles) |
| Hospital | Halton Hospital Captain Sir Tom Moore Building | 840 m (0.5 miles) |
| Care homes | 4 homes within 1.6 km (1 mile); nearest Croftwood Good Mar 2019 | 880 m (0.5 miles) |
| Police station | Runcorn Police Station | 1.4 km (0.9 miles) |
| Cash machines | Jesani Stores Ltd, Northwich Road | 1 km (0.6 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 2 within 800 m (0.5 miles); nearest Unnamed 16 ha | 130 m |
| Play area | 2 within 800 m (0.5 miles); nearest Unnamed 270 m² | 430 m (0.3 miles) |
| Playing field | 1 within 800 m (0.5 miles); nearest Unnamed 1.3 ha | 780 m (0.5 miles) |
| Allotments | Unnamed 2.1 ha | 890 m (0.6 miles) |
Within 800 m (0.5 miles): 2 parks and gardens, 16 hectares in all.
Landmarks
The nearest historic landmark is Halton Castle: a ruined shell keep castle on the site of an earlier motte and bailey, a scheduled monument, 1.9 km (1.2 miles) north. 1 listed building is within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Halton Castle: a ruined shell keep castle on the site of an earlier motte and bailey | Scheduled monument | 1.9 km (1.2 miles) north |
| Name | What it is | From the middle of the street |
|---|---|---|
| Beech Wood | Wood | 900 m (0.6 miles) east |
| Sutton Dock | Lake or reservoir | 1.1 km (0.7 miles) south |
| Mare Clough | Valley | 2.6 km (1.6 miles) south-east |
| Windmill Hill | Hill | 2.8 km (1.8 miles) north-east |
| Frodsham Marsh | Wetland | 3.6 km (2.2 miles) south-west |
| Wigg Island | Island | 3.8 km (2.4 miles) north |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 10.5 | 40 | 10 |
| Fine particles (PM2.5) | 6.4 | 20 | 5 |
| Particles (PM10) | 10.9 | 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, rail and aircraft noise
| Level | Road traffic | Railways | Aircraft |
|---|---|---|---|
| 55 to 59 | 6 | 0 | 0 |
| Under 55 | 5 | 11 | 11 |
6 of the street's 11 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 Halton: see them on the Halton page.
Nearest schools
| School | Phase | Ages | Distance | Inspection | Exam results |
|---|---|---|---|---|---|
| Beechwood Primary School | Primary | 5–11 | 110 m | No published inspection | 71% at the expected standard in reading, writing and maths, 14% at the higher standard (2025; 45% in 2024 and 64% in 2023) |
| Hillview Primary School | Primary | 4–11 | 440 m (0.3 miles) | No published inspection | 54% at the expected standard in reading, writing and maths, 7% at the higher standard (2025; 63% in 2024 and 64% in 2023) |
| Hallwood Park Primary School and Nursery | Primary | 2–11 | 450 m (0.3 miles) | Inadequate (Nov 2022, overall grade under the previous framework) | 57% at the expected standard in reading, writing and maths, 0% at the higher standard (2025) |
| Woodside Primary School | Primary | 5–11 | 880 m (0.5 miles) | Report card (May 2026): Curriculum and teaching: Needs attention; Achievement: Expected standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Needs attention; Early years: Needs attention; Safeguarding standards: Met | 68% at the expected standard in reading, writing and maths, 14% at the higher standard (2025; 59% in 2024 and 64% in 2023) |
| Blessed Carlo Acutis Catholic and Church of England Academy Church of England/Roman Catholic | Secondary | 11–16 | 1 km (0.6 miles) | No overall grade (Mar 2025, graded inspection without an overall judgement): Quality of education: Requires improvement; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good | GCSE 2026 (provisional): Attainment 8 37.5 (33.3 in 2025 and 27.3 in 2024); 22.9% grade 5+ in English and maths |
| Our Lady Mother of the Saviour Catholic Primary School Roman Catholic | Primary | 3–11 | 1.2 km (0.8 miles) | Report card (May 2026): Curriculum and teaching: Strong standard; Achievement: Strong standard; Attendance and behaviour: Expected standard; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Strong standard; Early years: Strong standard; Safeguarding standards: Met | 72% at the expected standard in reading, writing and maths, 3% at the higher standard (2025; 74% in 2024 and 81% in 2023) |
| Palace Fields Primary Academy | Primary | 3–11 | 1.3 km (0.8 miles) | No published inspection | 77% at the expected standard in reading, writing and maths, 0% at the higher standard (2025; 48% in 2024 and 52% in 2023) |
| Halton Lodge Nursery & Primary School | Primary | 3–11 | 1.4 km (0.9 miles) | Requires improvement (Sep 2021, overall grade under the previous framework) | 69% at the expected standard in reading, writing and maths, 6% at the higher standard (2025; 61% in 2024 and 54% in 2023) |
| The Holy Spirit Catholic Primary School Roman Catholic | Primary | 3–11 | 1.6 km (1 mile) | Good (Jul 2024, overall grade under the previous framework) | 50% at the expected standard in reading, writing and maths, 6% at the higher standard (2025; 27% in 2024 and 44% in 2023) |
| The Heath School | Secondary | 11–16 | 1.6 km (1 mile) | 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 | GCSE 2026 (provisional): Attainment 8 41.0 (42.5 in 2025 and 43.2 in 2024); 32.6% grade 5+ in English and maths |
| Brookvale Primary School | Primary | 3–11 | 1.7 km (1 mile) | Good (May 2024, overall grade under the previous framework) | 60% at the expected standard in reading, writing and maths, 0% at the higher standard (2025; 56% in 2024 and 45% in 2023) |
| Castle View Primary School | Primary | 3–11 | 1.7 km (1.1 miles) | Good (Nov 2022, overall grade under the previous framework) | 83% at the expected standard in reading, writing and maths, 30% at the higher standard (2025; 80% in 2024 and 95% in 2023) |
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.
Nurseries and childcare
7 nurseries, pre-schools and clubs within 1.5 km (0.9 miles), the nearest 110 m from the middle of the street.
| Provider | Kind | Places | Latest inspection | Distance |
|---|---|---|---|---|
| Beechwood Nursery & Pre-school Ltd WA7 2TT | Full day care | 84 | Good (Jul 2025, overall grade under the previous framework) | 110 m |
| Beechwood Link Club WA7 2TT | Out-of-school day care | 40 | Not inspected yet | 110 m |
| Hillview Under Five's Pre-School Playgroup WA7 3HB | Sessional day care | 22 | Good (Sep 2023, overall grade under the previous framework) | 450 m (0.3 miles) |
| Kid's Space Limited WA7 2FL | Out-of-school day care | 20 | Not inspected yet | 570 m (0.4 miles) |
| World of Wonder Day Nursery WA7 2AA | Full day care | 69 | Not inspected yet | 1.4 km (0.9 miles) |
| Ladybirds Neighbourhood Nursery WA7 5LU | Full day care | 66 | Good (Sep 2024, overall grade under the previous framework) | 1.4 km (0.9 miles) |
| Palacefields Daycare Centre WA7 2QW | Full day care | 30 | Good (Feb 2024, overall grade under the previous framework) | 1.5 km (0.9 miles) |
Ofsted also registers 52 childminders and 2 home childcarers (nannies) in Halton. It does not publish their addresses, so they cannot be shown here; the council's family information service lists those taking children.
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Beechwood Primary School - Orian WA7 2TT | School/college/university | 110 m | 4 Good | 12 Mar 2025 |
| Beechwood Nursery and Pre-School WA7 2TT | Hospitals/Childcare/Caring Premises | 110 m | 5 Very good | 23 Sep 2026 |
| Beechwood Stores (Best One) WA7 2TT | Retailers - other | 110 m | 5 Very good | 28 Nov 2023 |
| The Beechwood Hotel WA7 3HB | Pub/bar/nightclub | 440 m (0.3 miles) | 5 Very good | 15 Apr 2024 |
| Beechwood Community Centre (Halton) CIC WA7 3HB | Other catering premises | 440 m (0.3 miles) | 3 Generally satisfactory | 14 Nov 2025 |
| Hill View Primary School Orian Catering WA7 3HB | School/college/university | 440 m (0.3 miles) | 5 Very good | 6 May 2026 |
| Hillview Under 5's Preschool & Playgroup WA7 3HB | Hospitals/Childcare/Caring Premises | 440 m (0.3 miles) | 5 Very good | 4 Jun 2024 |
| Hill View Primary School Breakfast Club WA7 3HB | School/college/university | 440 m (0.3 miles) | 5 Very good | 4 Jun 2024 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 7 |
| Criminal damage and arson | 2 |
| Public order | 2 |
| Anti-social behaviour | 2 |
| Other theft | 1 |
| Vehicle crime | 1 |
| Drugs | 1 |
Most of these are attached to: On or near Bowland Close (6); On or near Ullswater Grove (3); On or near Wisenholme Close (3); On or near Baycliffe Close (1); On or near Whinfell Grove (1).
Road safety
No collisions in which someone was hurt were reported on and around the street in 2021 to 2025.
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
The busiest counted road within 500 m (0.3 miles) is the A557 between M56 spur and A533, with 44,707 motor vehicles a day on average in 2025, 420 m (0.3 miles) from the street's postcodes.
| Road | Between | Vehicles a day | Lorries | Ten years before | Distance |
|---|---|---|---|---|---|
| Minor road | Not recorded | 4,009 counted 2025 | 0% | 90 m | |
| A557 | M56 spur to A533 | 44,707 counted 2025 | 8% | +4% since 2015 | 420 m (0.3 miles) |
| M56 | M56 main route to A557 | 23,314 estimated | 9% | +7% since 2015 | 450 m (0.3 miles) |
Each figure is the annual average daily flow: the motor vehicles passing the count point, both ways, on an average day of the year. A point is counted by hand on a weekday every few years and estimated from the trend on similar roads in between. Lorries are heavy goods vehicles, as a share of all motor vehicles.
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 57 | 40 |
| Children under 15 | 11% | 17% |
| Aged 65 and over | 39% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 91% | 61% |
| Owned outright | 57% | 33% |
| Shared ownership | 3% | 1% |
| Social rented | under 1% | 17% |
| Private rented | 5% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 51% | 57% |
| Unemployment (of those working or looking for work) | 3% | 6% |
| Retired (of adults) | 41% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 27% | 32% |
| Travel to work by car or van | 64% | 48% |
| By train, Underground, metro or tram | under 1% | 4% |
| By any public transport, including bus | 2% | 8% |
| On foot or by bicycle | 6% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 54% | 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) | 24% | 34% |
| No qualifications | 19% | 18% |
| Apprenticeship as highest qualification | 7% | 5% |
| Main language English (aged 3 and over) | 100% | 91% |
| Cannot speak English well or at all | 0% | 2% |
Deprivation
The 2 neighbourhoods around this street are in deciles 8 to 9 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
Nearby streets
Copeland Grove · Mosedale Grove · Wythburn Grove · Sedbergh Grove · Honister Grove · Grasmere Drive · Bowland Close · Seathwaite Close · Ullswater Grove · Ambleside Close
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.