Groveside Close Carshalton, Sutton
101 addresses across 4 postcodes (SM5), about 410 m (0.3 miles) long, classed as a local road. USRN 22600602.
- Sales: 199 recorded sales since 1995; in 2026 the median was £415,000 across 2 sales.
- Energy: 70 homes have an energy certificate (B: 4, C: 36, D: 28, E: 2).
- Flood: 5 addresses on its postcodes are 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 C; Band D in Sutton costs £2,379 a year in 2026-27.
- Broadband: Gigabit broadband is available to 33% to 100% of premises.
- Transport: The nearest railway station is Carshalton, about 1.1 km (0.7 miles) away in a straight line.
- Green space: There is a small park or garden about 180 m away, and Royston Park (3.3 hectares) is about 700 m (0.4 miles) away.
- Air: Background air pollution in 2024 was 14.2 µg/m³ of nitrogen dioxide and 8.4 of PM2.5, within UK legal limits.
- Height: Its addresses are 33 to 38 m above sea level.
- Noise: 7 of its 101 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Chesser Practice, about 470 m (0.3 miles) away, with 5 practices within 1.6 km (1 mile).
- People: About 670 people lived in the census areas around it in 2021; 73% of households owned their home and 36% of adults held a degree or other higher qualification.
- Crime: 98 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 | 2 | £415,000 | £290,000 | £540,000 |
| 2025 | 3 | £545,000 | £254,000 | £545,000 |
| 2024 | 4 | £400,000 | £275,000 | £550,000 |
| 2023 | 3 | £510,000 | £258,000 | £518,000 |
| 2021 | 5 | £510,000 | £495,000 | £630,000 |
| 2020 | 6 | £340,500 | £244,000 | £481,000 |
| 2019 | 5 | £415,000 | £255,000 | £468,000 |
| 2018 | 9 | £370,000 | £250,000 | £525,000 |
| 2017 | 6 | £247,750 | £225,000 | £315,000 |
| 2016 | 3 | £386,000 | £240,000 | £396,000 |
| 2015 | 5 | £215,000 | £200,000 | £356,000 |
| 2014 | 3 | £275,000 | £175,000 | £375,000 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 10 Jul 2026 | 68 SM5 2ER | Semi-detached | £540,000 | |
| 13 Mar 2026 | 17 SM5 2EQ | Flat or maisonette | £290,000 | Leasehold. |
| 1 Aug 2025 | 64 SM5 2ER | Detached | £545,000 | |
| 3 Jul 2025 | 77 SM5 2ER | Detached | £545,000 | |
| 5 Mar 2025 | 16 SM5 2EQ | Flat or maisonette | £254,000 | Leasehold. |
| 15 Oct 2024 | 23 SM5 2EQ | Flat or maisonette | £275,000 | Leasehold. |
| 4 Sep 2024 | 32 SM5 2EQ | Terraced | £490,000 | |
| 14 Aug 2024 | 4 SM5 2EQ | Terraced | £310,000 | |
| 21 Jun 2024 | 41 SM5 2ER | Detached | £550,000 | |
| 28 Jul 2023 | 26 SM5 2EQ | Flat or maisonette | £258,000 | Leasehold. |
| 25 May 2023 | 92 SM5 2ET | Semi-detached | £510,000 | |
| 20 Feb 2023 | 38 SM5 2ER | Terraced | £518,000 | |
| 29 Sep 2021 | 30 SM5 2EQ | Terraced | £500,000 | |
| 17 Sep 2021 | 54 SM5 2ER | Detached | £533,100 | |
| 29 Jun 2021 | 85 SM5 2ET | Detached | £630,000 | |
| 29 Jun 2021 | 76 SM5 2ER | Detached | £510,000 | |
| 23 Jun 2021 | 57 SM5 2ER | Detached | £495,000 | |
| 18 Dec 2020 | 19 SM5 2EQ | Flat or maisonette | £244,000 | Leasehold. |
| 1 Dec 2020 | 58 SM5 2ER | Detached | £481,000 | |
| 25 Sep 2020 | 8 SM5 2EQ | Flat or maisonette | £248,000 | Leasehold. |
| 28 Aug 2020 | 44 SM5 2ER | Semi-detached | £450,000 | |
| 18 Jun 2020 | 48 SM5 2ER | Terraced | £431,000 | |
| 30 Jan 2020 | 22 SM5 2EQ | Flat or maisonette | £250,000 | Leasehold. |
| 27 Sep 2019 | 45 SM5 2ER | Semi-detached | £430,000 | |
| 15 May 2019 | 31 SM5 2EQ | Terraced | £330,000 | |
| 13 May 2019 | 56 SM5 2ER | Detached | £468,000 | |
| 18 Apr 2019 | 64 SM5 2ER | Detached | £415,000 | |
| 22 Feb 2019 | 17 SM5 2EQ | Flat or maisonette | £255,000 | Leasehold. |
| 21 Dec 2018 | 23 SM5 2EQ | Flat or maisonette | £250,000 | Leasehold. |
| 10 Dec 2018 | 43 SM5 2ER | Semi-detached | £400,000 | |
| 3 Oct 2018 | 77 SM5 2ER | Detached | £435,000 | |
| 10 Aug 2018 | 88 SM5 2ET | Detached | £370,000 | |
| 16 May 2018 | 25 SM5 2EQ | Flat or maisonette | £255,000 | Leasehold. |
| 11 May 2018 | 89 SM5 2ET | Terraced | £439,000 | |
| 30 Apr 2018 | 49 SM5 2ER | Detached | £525,000 | |
| 28 Feb 2018 | 7 SM5 2EQ | Flat or maisonette | £253,000 | Leasehold. |
| 12 Feb 2018 | 14 SM5 2EQ | Flat or maisonette | £250,000 | Leasehold. |
| 4 Dec 2017 | 34 SM5 2EQ | Terraced | £315,000 | |
| 28 Apr 2017 | 26 SM5 2EQ | Flat or maisonette | £229,000 | Leasehold. |
| 12 Apr 2017 | 28 SM5 2EQ | Flat or maisonette | £225,000 | Leasehold. |
| 3 Feb 2017 | 16 SM5 2EQ | Flat or maisonette | £249,500 | Leasehold. |
| 1 Feb 2017 | 22 SM5 2EQ | Flat or maisonette | £246,000 | Leasehold. |
| 12 Jan 2017 | 4 SM5 2EQ | Terraced | £256,000 | |
| 1 Dec 2016 | 75 SM5 2ER | Terraced | £386,000 | |
| 23 May 2016 | 18 SM5 2EQ | Flat or maisonette | £240,000 | Leasehold. |
| 31 Mar 2016 | 76 SM5 2ER | Detached | £396,000 | |
| 18 Mar 2016 | 67 SM5 2ER | Terraced | £330,000 | Not a standard sale (repossession, buy-to-let or transfer). |
| 13 Nov 2015 | 23 SM5 2EQ | Flat or maisonette | £222,000 | Leasehold. |
| 8 Oct 2015 | 19 SM5 2EQ | Flat or maisonette | £215,000 | Leasehold. |
| 5 Jun 2015 | 81 SM5 2ET | Detached | £360,000 | Not a standard sale (repossession, buy-to-let or transfer). |
Energy performance certificates
70 homes with a current certificate; median floor area 72 m². Most common: Flat (21); House, detached (19); House, end-terrace (13). Built: 1983-1990 (26); 1991-1995 (26); 1996-2002 (10). Tenure at assessment: owner-occupied (44); rented (private) (8); rented (social) (5).
Each home's certificates and sales (38 addresses)
- 1, Groveside Close
- 2, Groveside Close
- 6, Groveside Close
- 7, Groveside Close
- 8, Groveside Close
- 9, Groveside Close
- 10, Groveside Close
- 14, Groveside Close
- 18, Groveside Close
- 19, Groveside Close
- 22, Groveside Close
- 26, Groveside Close
- 28, Groveside Close
- 29, Groveside Close
- 31, Groveside Close
- 34, Groveside Close
- 37, Groveside Close
- 42, Groveside Close
- 43, Groveside Close
- 45, Groveside Close
- 46, Groveside Close
- 48, Groveside Close
- 49, Groveside Close
- 50, Groveside Close
- 53, Groveside Close
- 56, Groveside Close
- 68, Groveside Close
- 69, Groveside Close
- 75, Groveside Close
- 77, Groveside Close
- 78, Groveside Close
- 79, Groveside Close
- 82, Groveside Close
- 87, Groveside Close
- 89, Groveside Close
- 91, Groveside Close
- 95, Groveside Close
- 97, Groveside Close
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 neighbourhood around this street: most are in band C (53% of about 640 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)
- Former Youth Centre, Fellowes Road, permissioned (290 m)
- Depot, Waltham Road: up to 10 homes, not permissioned (460 m (0.3 miles))
- Depot, Waltham Road: up to 10 homes, not permissioned (460 m (0.3 miles))
- Durand Close Regeneration Scheme, Durand Close, Carshalton. SM5 2FH, permissioned (510 m (0.3 miles))
- Assembly Walk, off Green Wrythe Lane, Middleton Circle: up to 13 homes, not permissioned (680 m (0.4 miles))
- Assembly Walk, off Green Wrythe Lane, Middleton Circle: up to 17 homes, not permissioned (680 m (0.4 miles))
- 1-16 Nightingale Close, Carshalton. SM5 2DD, permissioned (810 m (0.5 miles))
- 1-16 Nightingale Close, Carshalton. SM5 2DD, permissioned (810 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 31 October 2026.
Flood risk
Rivers, the sea or surface water: in this street's postcodes, 1 address is in areas at high risk, 4 at medium risk and 3 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 |
|---|---|---|---|
| SM5 2ER | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SM5 2EQ | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SM5 2ET | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| SM5 2SS | not in 2 or 3 | 1 / 4 / 3 | unlikely |
Height above sea level
The street's 101 addresses are between 33 m and 38 m above sea level (36 m on average); the ground rises about 6 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| SM5 2EQ | 100% | 33% | 33% | 0% |
| SM5 2ER | 100% | 100% | 100% | 0% |
| SM5 2ET | 100% | 100% | 100% | 0% |
| SM5 2SS | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Carshalton 1.1 million journeys in 2024–25 | 1.1 km (0.7 miles) |
| Hackbridge 911,000 journeys in 2024–25 | 1.3 km (0.8 miles) | |
| Sutton Common 266,000 journeys in 2024–25 | 1.7 km (1.1 miles) | |
| Underground, metro or tram | Mitcham Junction Tram Stop | 1.9 km (1.2 miles) |
| Bus stops | 6 stops within 400 m (0.2 miles), 33 within 800 m (0.5 miles); nearest Muschamp Road The Wrythe | 140 m |
| Bus or coach station | Banstead - Fir Tree Road | 6.2 km (3.8 miles) |
| Ferry terminal | Wandsworth Riverside Quarter Pier | 9.7 km (6 miles) |
| Car parks | St. Helier Hospital & Queen Mary's Hospital for Children Car Park | 1.1 km (0.7 miles) |
| EV charging points | 26 within 1.6 km (1 mile); nearest Shell Recharge Charging Station | 450 m (0.3 miles) |
| Airport with scheduled flights | London City Airport LCY | 21.2 km (13 miles) |
| Nearest large airport | London Heathrow Airport LHR | 22.5 km (14 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 5 practices within 1.6 km (1 mile); nearest Chesser Practice | 470 m (0.3 miles) |
| Pharmacies | 10 pharmacies within 1.6 km (1 mile); nearest Anna Pharmacy At The Tudor | 530 m (0.3 miles) |
| NHS dentists | 8 practices within 1.6 km (1 mile); nearest Carshalton Dental Centre | 700 m (0.4 miles) |
| Hospital | St Helier Hospital | 820 m (0.5 miles) |
| Police station | Sutton Police Station | 2.3 km (1.4 miles) |
| Cash machines | 2 machines within 800 m (0.5 miles); nearest ATM | 710 m (0.4 miles) |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 5 within 800 m (0.5 miles); nearest Unnamed 1.2 ha | 180 m |
| Largest park within 800 m (0.5 miles) | Royston Park 3.3 ha | 700 m (0.4 miles) |
| Play area | 6 within 800 m (0.5 miles); nearest Unnamed 280 m² | 450 m (0.3 miles) |
| Playing field | 3 within 800 m (0.5 miles); nearest Dale Park Avenue Recreation Ground 1.4 ha | 550 m (0.3 miles) |
| Allotments | 1 within 800 m (0.5 miles); nearest Green Wrythe Lane Allotments 1.9 ha | 380 m |
Within 800 m (0.5 miles): 5 parks and gardens, 11 hectares in all.
Landmarks
The nearest historic landmark is Carshalton House (St Philomena's School), a registered park or garden (Grade II), 1.5 km (0.9 miles) south. 9 listed buildings are within 1 km (0.6 miles).
| Name | What it is | From the middle of the street |
|---|---|---|
| Carshalton House (St Philomena's School) | Registered park or garden, Grade II | 1.5 km (0.9 miles) south |
| Morden Hall Park | Registered park or garden, Grade II | 3 km (1.8 miles) north |
| Name | What it is | From the middle of the street |
|---|---|---|
| St Alban's Grove | Wood | 810 m (0.5 miles) north |
| Selby Green | Wood | 1 km (0.6 miles) north |
| Greenshaw Wood | Wood | 1 km (0.7 miles) west |
| Wilderness Island | Wood | 1.1 km (0.7 miles) south-east |
| River Wandle (Carshalton Branch) | Lake or reservoir | 1.3 km (0.8 miles) south-east |
| Pollards Hill | Hill | 4.2 km (2.6 miles) north-east |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 14.2 | 40 | 10 |
| Fine particles (PM2.5) | 8.4 | 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, rail and aircraft noise
| Level | Road traffic | Railways | Aircraft |
|---|---|---|---|
| 60 to 64 | 1 | 0 | 0 |
| 55 to 59 | 6 | 0 | 0 |
| Under 55 | 94 | 101 | 101 |
7 of the street's 101 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 |
|---|---|---|---|---|
| Muschamp Primary School and Language Opportunity Base | Primary | 3–11 | 130 m | Report card (Feb 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 |
| Carshalton Boys Sports College | Secondary | 11–19 | 170 m | Good (Oct 2022, overall grade under the previous framework) |
| Rushy Meadow Primary Academy | Primary | 3–11 | 470 m (0.3 miles) | Good (Dec 2019, overall grade under the previous framework) |
| Greenshaw High School | Secondary | 11–18 | 760 m (0.5 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 |
| Tweeddale Primary School | Primary | 3–11 | 840 m (0.5 miles) | Good (Jul 2024, overall grade under the previous framework) |
| Carshalton High School for Girls | Secondary | 11–18 | 1 km (0.6 miles) | No published inspection |
| Culvers House Primary School | Primary | 3–11 | 1 km (0.6 miles) | Good (May 2023, overall grade under the previous framework) |
| Spencer Nursery School | Nursery | 3–5 | 1 km (0.6 miles) | No published inspection |
| Harris Junior Academy Carshalton | Primary | 7–11 | 1 km (0.6 miles) | No overall grade (Nov 2024, graded inspection without an overall judgement): Quality of education: Outstanding; Behaviour and attitudes: Outstanding; Personal development: Outstanding; Leadership and management: Outstanding |
| Victor Seymour Infants' School | Primary | 3–7 | 1.1 km (0.7 miles) | Outstanding (Sep 2019, overall grade under the previous framework) |
| Hackbridge Primary School | Primary | 3–11 | 1.1 km (0.7 miles) | No published inspection |
| Green Wrythe Primary School | Primary | 3–11 | 1.2 km (0.8 miles) | Good (Apr 2023, overall grade under the previous framework) |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| Carshalton Boys Sports College Kitchen SM5 1RW | School/college/university | 170 m | 5 Very good | 14 Mar 2025 |
| St Helier Food And Wine SM5 2ST | Retailers - other | 210 m | 3 Generally satisfactory | 14 Apr 2025 |
| Caterlink Ltd At Muschamp Primary School SM5 2SE | Other catering premises | 230 m | 5 Very good | 16 Mar 2026 |
| Junior Adventures Group Muschamp SM5 2SE | Hospitals/Childcare/Caring Premises | 230 m | 5 Very good | 25 Feb 2025 |
| Grace Gardens SM5 1NY | Hospitals/Childcare/Caring Premises | 410 m (0.3 miles) | Exempt | |
| Shell St Helier SM5 2RU | Retailers - other | 440 m (0.3 miles) | 5 Very good | 14 Feb 2024 |
| Tudor Cafe SM5 2RU | Restaurant/Cafe/Canteen | 440 m (0.3 miles) | 5 Very good | 2 Sep 2026 |
| Dolphin Fish Bar SM5 2RU | Takeaway/sandwich shop | 440 m (0.3 miles) | 5 Very good | 20 Mar 2026 |
| Morley's SM5 2RU | Takeaway/sandwich shop | 440 m (0.3 miles) | 5 Very good | 15 Jul 2025 |
| Cosy Cottage Daycare SM5 2EF | Hospitals/Childcare/Caring Premises | 460 m (0.3 miles) | 2 Improvement necessary | 28 Apr 2026 |
| Caterlink Ltd At Rushy Meadow Primary School SM5 2SG | Other catering premises | 470 m (0.3 miles) | 5 Very good | 4 Jun 2026 |
| Come And Play SM5 2SG | Hospitals/Childcare/Caring Premises | 470 m (0.3 miles) | 4 Good | 2 Apr 2025 |
| Londis SM5 2RR | Retailers - other | 490 m (0.3 miles) | 3 Generally satisfactory | 19 Feb 2025 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Violence and sexual offences | 32 |
| Vehicle crime | 14 |
| Anti-social behaviour | 13 |
| Other theft | 10 |
| Public order | 8 |
| Criminal damage and arson | 6 |
| Drugs | 5 |
| Burglary | 4 |
| Other crime | 2 |
| Possession of weapons | 1 |
| Robbery | 1 |
| Shoplifting | 1 |
| Bicycle theft | 1 |
Most of these are attached to: On or near Welhouse Road (21); On or near Woburn Road (16); On or near Green Wrythe Crescent (16); On or near Muschamp Road (15); On or near Green Wrythe Lane (15).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 39 | 40 |
| Children under 15 | 19% | 17% |
| Aged 65 and over | 12% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 73% | 61% |
| Owned outright | 25% | 33% |
| Shared ownership | 0% | 1% |
| Social rented | 14% | 17% |
| Private rented | 13% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 67% | 57% |
| Unemployment (of those working or looking for work) | 5% | 6% |
| Retired (of adults) | 14% | 22% |
| Long-term sick or disabled (of adults) | 2% | 4% |
| Work mainly from home (of those in work) | 31% | 32% |
| Travel to work by car or van | 44% | 48% |
| By train, Underground, metro or tram | 11% | 4% |
| By any public transport, including bus | 16% | 8% |
| On foot or by bicycle | 5% | 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 | 1% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 36% | 34% |
| No qualifications | 18% | 18% |
| Apprenticeship as highest qualification | 4% | 5% |
| Main language English (aged 3 and over) | 85% | 91% |
| Cannot speak English well or at all | 3% | 2% |
Deprivation
The neighbourhood around this street is in decile 5 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
- SM5 2ER: 41 addresses
- SM5 2EQ: 37 addresses
- SM5 2ET: 22 addresses
- SM5 2SS: 1 address of 18 in the postcode
Nearby streets
Bakers Gardens · Green Wrythe Crescent · Welhouse Road · Winchcombe Road · Woburn Road · Culvers Avenue · Brooklyn Close · Pinners Close · Cherry Close · Limes Avenue · Wigmore Road · Denyer 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.
- 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.