Blake Street Sheffield
44 addresses across 3 postcodes (S6), about 190 m long, classed as a local road. USRN 34402475.
- Sales: 73 recorded sales since 1995; in 2026 the median was £247,000 across 3 sales.
- Energy: 30 homes have an energy certificate (C: 6, D: 10, E: 12, F: 2).
- 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 Sheffield costs £2,510 a year in 2026-27.
- Broadband: Gigabit broadband is available to 100% of premises.
- Transport: The nearest railway station is Sheffield, about 2.4 km (1.5 miles) away in a straight line.
- Green space: The nearest park or garden, Ruskin Park, is about 50 m away.
- Air: Background air pollution in 2024 was 11.0 µg/m³ of nitrogen dioxide and 7.4 of PM2.5, within UK legal limits.
- Height: Its addresses are 90 to 121 m above sea level.
- Noise: 6 of its 44 addresses are modelled at 55 dB or more from road traffic.
- Doctors: The nearest GP surgery is Harold Street Medical Centre, about 260 m away, with 7 practices within 1.6 km (1 mile).
- People: About 390 people lived in the census areas around it in 2021; 65% of households owned their home and 58% of adults held a degree or other higher qualification.
- Crime: 106 crimes were recorded within 250 m between September 2025 and August 2026, most often anti-social behaviour.
Sales on this street
| Year | Sales | Median price | Lowest | Highest |
|---|---|---|---|---|
| 2026 | 3 | £247,000 | £246,250 | £317,500 |
| 2024 | 1 | £255,500 | £255,500 | £255,500 |
| 2023 | 2 | £185,000 | £175,000 | £195,000 |
| 2022 | 2 | £297,550 | £288,000 | £307,100 |
| 2021 | 3 | £170,000 | £170,000 | £248,000 |
| 2020 | 1 | £160,000 | £160,000 | £160,000 |
| 2019 | 3 | £146,000 | £72,500 | £192,500 |
| 2018 | 1 | £183,500 | £183,500 | £183,500 |
| 2017 | 1 | £165,000 | £165,000 | £165,000 |
| 2016 | 2 | £149,500 | £138,000 | £161,000 |
| 2015 | 2 | £152,750 | £137,500 | £168,000 |
| 2014 | 2 | £160,275 | £156,000 | £164,550 |
| Date | Address | Type | Price | Notes |
|---|---|---|---|---|
| 1 May 2026 | 43 S6 3JQ | Terraced | £170,000 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 27 Mar 2026 | 15 S6 3JQ | Terraced | £247,000 | |
| 23 Jan 2026 | 49 S6 3JQ | Terraced | £246,250 | Leasehold. |
| 16 Jan 2026 | 25 S6 3JQ | Semi-detached | £317,500 | Leasehold. |
| 17 May 2024 | 70 S6 3JR | Terraced | £255,500 | Leasehold. |
| 10 Feb 2023 | 8 S6 3JR | Semi-detached | £195,000 | Leasehold. |
| 6 Jan 2023 | 14 S6 3JR | Terraced | £175,000 | Leasehold. |
| 14 Nov 2022 | 53 S6 3JQ | Other | £289,997 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 5 Aug 2022 | 80 S6 3JR | Terraced | £307,100 | Leasehold. |
| 6 Jul 2022 | 35 S6 3JQ | Terraced | £288,000 | Leasehold. |
| 17 Nov 2021 | 78 S6 3JR | Terraced | £248,000 | Leasehold. |
| 5 Feb 2021 | 6 S6 3JR | Semi-detached | £170,000 | Leasehold. |
| 29 Jan 2021 | 21 S6 3JQ | Terraced | £170,000 | |
| 10 Jun 2020 | 33 S6 3JQ | Semi-detached | £160,000 | |
| 2 Dec 2019 | 35 S6 3JQ | Terraced | £192,500 | Leasehold. |
| 22 Nov 2019 | 2 S6 3JR | Semi-detached | £72,500 | Leasehold. |
| 22 Mar 2019 | 8 S6 3JR | Semi-detached | £146,000 | Leasehold. |
| 26 Nov 2018 | 84 S6 3JR | Terraced | £183,500 | Leasehold. |
| 7 Mar 2018 | 10 S6 3JR | Other | £68,750 | Leasehold. Not a standard sale (repossession, buy-to-let or transfer). |
| 1 Dec 2017 | 45 S6 3JQ | Terraced | £165,000 | Leasehold. |
| 17 Jun 2016 | 72 S6 3JR | Terraced | £161,000 | Leasehold. |
| 5 Jan 2016 | 76 S6 3JR | Terraced | £138,000 | Leasehold. |
| 30 Nov 2015 | 35 S6 3JQ | Terraced | £168,000 | Leasehold. |
| 9 Jan 2015 | 41 S6 3JQ | Terraced | £137,500 | Leasehold. |
| 4 Sep 2014 | 25 S6 3JQ | Semi-detached | £164,550 | Leasehold. |
| 7 Feb 2014 | 29 S6 3JQ | Terraced | £156,000 | Leasehold. |
| 13 Dec 2013 | 4 S6 3JR | Semi-detached | £58,750 | Leasehold. |
| 14 Jun 2013 | 6 S6 3JR | Semi-detached | £130,000 | Leasehold. |
| 24 May 2013 | 72 S6 3JR | Terraced | £135,000 | Leasehold. |
| 3 May 2013 | 21 S6 3JQ | Terraced | £130,000 | |
| 16 Sep 2011 | 82 S6 3JR | Terraced | £120,000 | Leasehold. |
| 29 Jun 2011 | 74 S6 3JR | Flat or maisonette | £128,000 | Leasehold. |
| 17 Aug 2009 | 49 S6 3JQ | Terraced | £105,000 | Leasehold. |
| 14 May 2008 | 88 S6 3JR | Detached | £194,950 | Leasehold. |
| 24 Sep 2007 | 45 S6 3JQ | Terraced | £150,600 | Leasehold. |
| 14 Sep 2007 | 35 S6 3JQ | Semi-detached | £145,000 | Leasehold. |
| 31 Aug 2007 | 78 S6 3JR | Terraced | £169,950 | Leasehold. |
| 24 Aug 2007 | 41 S6 3JQ | Terraced | £115,000 | Leasehold. |
| 15 Jun 2007 | 1 S6 3JQ | Semi-detached | £217,500 | |
| 19 Apr 2007 | 45 S6 3JQ | Terraced | £120,000 | Leasehold. |
| 15 Sep 2006 | 37 S6 3JQ | Terraced | £159,000 | Leasehold. |
| 15 Sep 2006 | 37 S6 3JQ | Terraced | £159,000 | |
| 16 Jun 2006 | 14 S6 3JR | Terraced | £55,000 | Leasehold. |
| 26 Oct 2005 | 80 S6 3JR | Terraced | £129,000 | Leasehold. |
| 4 Feb 2005 | 33 S6 3JQ | Semi-detached | £120,000 | |
| 20 Dec 2004 | 74 S6 3JR | Terraced | £135,000 | Leasehold. |
| 25 Jun 2004 | 51 S6 3JQ | Terraced | £141,500 | Leasehold. |
| 5 Mar 2004 | 39 S6 3JQ | Terraced | £77,950 | Leasehold. |
| 12 Feb 2004 | 29 S6 3JQ | Terraced | £115,000 | Leasehold. |
| 1 Dec 2003 | 72 S6 3JR | Terraced | £115,555 | Leasehold. |
Energy performance certificates
30 homes with a current certificate; median floor area 98 m². Most common: House, mid-terrace (14); House, semi-detached (7); House, end-terrace (7). Built: 1900-1929 (15); before 1900 (10); 1996-2002 (4). Tenure at assessment: owner-occupied (22); rented (private) (4); rented (social) (1).
Each home's certificates and sales (18 addresses)
- 6, Blake Street
- 8, Blake Street
- 19, Blake Street
- 21, Blake Street
- 23, Blake Street
- 27, Blake Street
- 29, Blake Street
- 31, Blake Street
- 35, Blake Street
- 41, Blake Street
- 45, Blake Street
- 70, Blake Street
- 72, Blake Street
- 74, Blake Street
- 76, Blake Street
- 82, Blake Street
- 84, Blake Street
- 88, Blake Street
Council tax
What each band costs in Sheffield in 2026-27: Band D £2,510 a year on average, including the police, fire and any county and parish charges.
| A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|
| £1,673 | £1,952 | £2,231 | £2,510 | £3,068 | £3,626 | £4,184 | £5,020 |
Homes by band in the neighbourhood around this street: most are in band A (64% of about 730 homes).
Planning and heritage
- Conservation area: yes, Birkendale. Extensions, demolition, some windows and doors, and work on trees need consent.
- Listed buildings on or by this street: 1.
- 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
- 22, BLAKE GROVE ROAD, grade II
Brownfield land registered for housing within 1 km (0.6 miles)
- 59 Daniel Hill Mews Sheffield S6 3JJ, permissioned (170 m)
- Car Park Adjacent To Upperthorpe Medical Centre Upperthorpe Sheffield S6 3FT, permissioned (270 m)
- 58 Duncombe Street Sheffield S6 3RJ, permissioned (350 m)
- Vestry Hall 80 Crookesmoor Road Sheffield S6 3FR, permissioned (430 m (0.3 miles))
- Hillsborough Hotel 56 Langsett Road Sheffield S6 2UB, permissioned (450 m (0.3 miles))
- Whitehouse Lane, 158 Primrose View, not permissioned (490 m (0.3 miles))
- 2 Lock Street, Sheffield S6 3BJ, permissioned (500 m (0.3 miles))
- Heritage Park 55 Albert Terrace Road Sheffield S6 3BR, permissioned (500 m (0.3 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, 0 addresses are in areas at high risk, 0 at medium risk and 4 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 |
|---|---|---|---|
| S6 3JQ | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| S6 3JR | not in 2 or 3 | 0 / 0 / 0 | unlikely |
| S6 3NE | not in 2 or 3 | 0 / 0 / 4 | unlikely |
Height above sea level
The street's 44 addresses are between 90 m and 121 m above sea level (109 m on average); the ground rises about 31 m from the lowest to the highest.
Broadband
| Postcode | Superfast (30 Mbit/s+) | Ultrafast (300 Mbit/s+) | Gigabit | Below 10 Mbit/s |
|---|---|---|---|---|
| S6 3JQ | 100% | 100% | 100% | 0% |
| S6 3JR | 100% | 100% | 100% | 0% |
| S6 3NE | 100% | 100% | 100% | 0% |
Getting around
| Nearest | Distance | |
|---|---|---|
| Railway stations | Sheffield 10 million journeys in 2024–25 | 2.4 km (1.5 miles) |
| Darnall 22,000 journeys in 2024–25 | 5.3 km (3.3 miles) | |
| Meadowhall 1.9 million journeys in 2024–25 | 6 km (3.7 miles) | |
| Underground, metro or tram | Langsett - Primrose View | 550 m (0.3 miles) |
| Infirmary Road | 600 m (0.4 miles) | |
| Bamforth Street | 880 m (0.5 miles) | |
| Bus stops | 18 stops within 400 m (0.2 miles), 72 within 800 m (0.5 miles); nearest Harold Street/Daniel Hill Street Upperthorpe | 80 m |
| Bus or coach station | Hillsborough Interchange/H6 | 1.3 km (0.8 miles) |
| Car parks | Morrisons - Sheffield Hillsborough Penistone Rd Car Park Prebook | 1.2 km (0.8 miles) |
| EV charging points | 2 within 1.6 km (1 mile); nearest InstaVolt Charging Station | 450 m (0.3 miles) |
| Airport with scheduled flights | Manchester Airport MAN | 52.6 km (33 miles) |
Local services
| Nearest | Distance | |
|---|---|---|
| GP surgeries | 7 practices within 1.6 km (1 mile); nearest Harold Street Medical Centre | 260 m |
| Pharmacies | 10 pharmacies within 1.6 km (1 mile); nearest Lo's Pharmacy | 330 m |
| NHS dentists | 12 practices within 1.6 km (1 mile); nearest Thompson And Thomas | 590 m (0.4 miles) |
| Hospital | Sheffield Childrens Hospital | 1.2 km (0.7 miles) |
| Police station | West Bar Police Station | 1.5 km (0.9 miles) |
| Cash machines | 2 machines within 800 m (0.5 miles); nearest Payzone | 360 m |
Parks and green space
| Nearest | Distance | |
|---|---|---|
| Park or garden | 7 within 800 m (0.5 miles); nearest Ruskin Park 4.0 ha | 50 m |
| Largest park within 800 m (0.5 miles) | The Ponderosa 12 ha | 480 m (0.3 miles) |
| Play area | 9 within 800 m (0.5 miles); nearest Unnamed 1,100 m² | 120 m |
| Playing field | Bolehill Recreation Ground 15 ha | 1 km (0.6 miles) |
| Allotments | Bolehill Quarry Allotment Gardens 3,980 m² | 1 km (0.6 miles) |
Within 800 m (0.5 miles): 7 parks and gardens, 29 hectares in all.
Landmarks
The nearest historic landmark is Heritage House, a listed building (Grade II*), 580 m (0.4 miles) east. 50 listed buildings are within 1 km (0.6 miles), 5 of them Grade II*.
| Name | What it is | From the middle of the street |
|---|---|---|
| Heritage House | Listed building, Grade II* | 580 m (0.4 miles) east |
| Globe Works | Listed building, Grade II* | 890 m (0.6 miles) east |
| Library and Arts Tower, University of Sheffield | Listed building, Grade II* | 1 km (0.6 miles) south |
| Workshop Ranges and Crucible Furnace Attached to Number 35 | Listed building, Grade II* | 1 km (0.6 miles) south-east |
| Weston Park | Registered park or garden, Grade II | 1 km (0.6 miles) south |
| Remains of the former Doncaster Street Steelworks including the standing structure of a cementation furnace | Scheduled monument | 1 km (0.6 miles) south-east |
| Remains of the former tool steelworks at Bower Spring | Scheduled monument | 1.4 km (0.9 miles) east |
| Mousehole Forge, Malin Bridge | Scheduled monument | 1.6 km (1 mile) north-west |
| Sheffield Botanical Gardens | Registered park or garden, Grade II | 2.2 km (1.3 miles) south |
| Name | What it is | From the middle of the street |
|---|---|---|
| Woodside | Wood | 1.4 km (0.9 miles) east |
| Walkley Bank Plantation | Wood | 1.5 km (0.9 miles) west |
| Reaps Wood | Wood | 1.8 km (1.1 miles) west |
| Sharrow Vale | Valley | 2.4 km (1.5 miles) south |
| Mill Dam | Lake or reservoir | 2.4 km (1.5 miles) west |
| Knowle Hill | Hill | 2.5 km (1.6 miles) north-west |
Air quality
| Pollutant | Here | UK limit | WHO guideline |
|---|---|---|---|
| Nitrogen dioxide (NO2) | 11.0 | 40 | 10 |
| Fine particles (PM2.5) | 7.4 | 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 and rail noise
| Level | Road traffic | Railways |
|---|---|---|
| 55 to 59 | 6 | 0 |
| Under 55 | 38 | 44 |
6 of the street's 44 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 Sheffield: see them on the Sheffield page.
Nearest schools
| School | Phase | Ages | Distance | Inspection |
|---|---|---|---|---|
| St Mary's Church of England Primary School | Primary | 3–11 | 360 m | Good (Oct 2022, overall grade under the previous framework) |
| Walkley Primary School | Primary | 3–11 | 660 m (0.4 miles) | Good (Nov 2023, overall grade under the previous framework) |
| Netherthorpe Primary School | Primary | 3–11 | 870 m (0.5 miles) | Report card (Jun 2026): Curriculum and teaching: Needs attention; Achievement: Needs attention; Attendance and behaviour: Expected standard; Personal development and wellbeing: Expected standard; Inclusion: Expected standard; Leadership and governance: Needs attention; Early years: Expected standard; Safeguarding standards: Met |
| Westways Primary School | Primary | 3–11 | 910 m (0.6 miles) | No published inspection |
| Rivelin Primary School | Primary | 3–11 | 1.2 km (0.7 miles) | No overall grade (Mar 2025, graded inspection without an overall judgement): Quality of education: Good; Behaviour and attitudes: Good; Personal development: Good; Leadership and management: Good |
| Sacred Heart School, A Catholic Voluntary Academy Roman Catholic | Primary | 4–11 | 1.2 km (0.8 miles) | Report card (Jul 2026): Curriculum and teaching: Expected standard; Achievement: Expected standard; Attendance and behaviour: Strong standard; Personal development and wellbeing: Strong standard; Inclusion: Strong standard; Leadership and governance: Expected standard; Early years: Expected standard; Safeguarding standards: Met |
| Broomhill Infant School | Primary | 4–7 | 1.5 km (1 mile) | Good (Nov 2023, overall grade under the previous framework) |
| Astrea Academy Sheffield | All-through | 2–18 | 1.6 km (1 mile) | Good (Nov 2022, overall grade under the previous framework) |
| Springfield Primary School | Primary | 4–11 | 1.6 km (1 mile) | Good (Oct 2019, overall grade under the previous framework) |
| King Edward VII School | Secondary | 11–18 | 1.7 km (1 mile) | Good (May 2023, overall grade under the previous framework) |
| Broomhall Nursery School | Nursery | 3–5 | 1.8 km (1.1 miles) | No published inspection |
| Pye Bank CofE Primary School Church of England | Primary | 3–11 | 1.9 km (1.2 miles) | Good (Jun 2022, overall grade under the previous framework) |
Food hygiene ratings nearby
| Business | Type | Distance | Rating | Rated |
|---|---|---|---|---|
| The Blake S6 3JQ | Pub/bar/nightclub | 40 m | 4 Good | 9 Mar 2026 |
| Leahyrst Residential Home S6 3NA | Hospitals/Childcare/Caring Premises | 230 m | 5 Very good | 6 Feb 2026 |
| Food Works Upperthorpe S6 3NA | Restaurant/Cafe/Canteen | 300 m | 5 Very good | 16 Sep 2024 |
| Amigo's 2 S6 3FU | Retailers - other | 310 m | 5 Very good | 21 Mar 2025 |
| Hood Munch S6 3EB | Takeaway/sandwich shop | 330 m | Awaiting inspection | |
| Al Sultan Continental Food Store Ltd S6 3EB | Retailers - other | 340 m | 3 Generally satisfactory | 18 Apr 2024 |
| Top Shop S6 3EB | Retailers - other | 360 m | 4 Good | 17 Mar 2025 |
| One Shop Local S6 3EB | Retailers - other | 360 m | 5 Very good | 29 Jan 2020 |
| THE PANTRY UK LIMITED S6 2WJ | School/college/university | 370 m | 5 Very good | 24 Sep 2025 |
| St Mary's CE Primary (NIJ) S6 2WJ | School/college/university | 370 m | 5 Very good | 2 Dec 2024 |
| Toybox Children's Nursery Ltd S6 3NG | Hospitals/Childcare/Caring Premises | 370 m | 3 Generally satisfactory | 25 Sep 2025 |
| Pizza Paz S6 3EB | Takeaway/sandwich shop | 370 m | 4 Good | 1 Sep 2025 |
| Shanghai Garden Takeaway S6 3EB | Takeaway/sandwich shop | 370 m | 3 Generally satisfactory | 24 Apr 2025 |
| Upperthorpe Fish Bar S6 3EB | Takeaway/sandwich shop | 370 m | 5 Very good | 19 Jan 2026 |
| Curry Divine S6 3EB | Takeaway/sandwich shop | 370 m | 1 Major improvement necessary | 25 Sep 2025 |
Crime within 250 m
| Category | Crimes |
|---|---|
| Anti-social behaviour | 28 |
| Violence and sexual offences | 28 |
| Criminal damage and arson | 21 |
| Public order | 5 |
| Other theft | 5 |
| Burglary | 4 |
| Other crime | 4 |
| Drugs | 4 |
| Vehicle crime | 2 |
| Robbery | 2 |
| Possession of weapons | 2 |
| Bicycle theft | 1 |
Most of these are attached to: On or near Birkendale Road (30); On or near Daniel Hill Court (13); On or near Upperthorpe Glen (11); On or near Blake Grove Road (9); On or near Daniel Hill Street (5).
People and work
Who lives here
| Around this street | England | |
|---|---|---|
| Median age | 37 | 40 |
| Children under 15 | 15% | 17% |
| Aged 65 and over | 14% | 18% |
Homes
| Around this street | England | |
|---|---|---|
| Owned (outright or with a mortgage) | 65% | 61% |
| Owned outright | 33% | 33% |
| Shared ownership | 2% | 1% |
| Social rented | 17% | 17% |
| Private rented | 16% | 21% |
Work and commuting
| Around this street | England | |
|---|---|---|
| Adults (16 and over) in work | 62% | 57% |
| Unemployment (of those working or looking for work) | 6% | 6% |
| Retired (of adults) | 16% | 22% |
| Long-term sick or disabled (of adults) | 1% | 4% |
| Work mainly from home (of those in work) | 42% | 32% |
| Travel to work by car or van | 30% | 48% |
| By train, Underground, metro or tram | 2% | 4% |
| By any public transport, including bus | 5% | 8% |
| On foot or by bicycle | 20% | 10% |
| Work within 10 km (6 miles) of home (of those who travel to work) | 81% | 65% |
| Work 30 km (19 miles) or more away | 5% | 8% |
Education and languages
| Around this street | England | |
|---|---|---|
| Degree or other higher qualification, Level 4+ (of adults) | 58% | 34% |
| No qualifications | 11% | 18% |
| Apprenticeship as highest qualification | 2% | 5% |
| Main language English (aged 3 and over) | 96% | 91% |
| Cannot speak English well or at all | under 1% | 2% |
Deprivation
The neighbourhood around this street is in decile 4 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
- S6 3JQ: 23 addresses of 24 in the postcode
- S6 3JR: 20 addresses
- S6 3NE: 1 address of 26 in the postcode
Nearby streets
Daniel Hill Street · Boyce Street · Bransby Street · Birkendale Road · Daniel Hill Court · Daniel Hill Mews · Hardy Place · Brandreth Road · Otley Walk · Daniel Hill Walk · Sherde Road · Victoria Villas
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.