839 Green Lanes, London, N21 2RX

Too few matched sales in this neighbourhood; shown for Winchmore Hill · N21 from 74 matched sales.

Price sample: 13 matched sales support this number at MSOA level; 0 of 13 sales had no usable floor area and are excluded.

Compared with England: Not published: nationwide price coverage is incomplete.

Based on 13 sales · 2026-06 · release src-hmlr-pp-category-a-2026-06-england

Recent sales: standard sales from the last 18 months, nearest first.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Standard sales only (Price Paid category A) of £10,000 or more; repossessions, company and buy-to-let transfers are left out.

Sales reach the register weeks to months after completion, so the newest months are incomplete.

£ per m² uses only sales whose home has an energy certificate with a floor area.

ONS Price Index of Private Rents: Source: Office for National Statistics, Price Index of Private Rents. Contains public sector information licensed under the Open Government Licence v3.0.

Borough-wide: every neighbourhood in a borough reads the borough's rents.

Average (mean) monthly rent of new and existing tenancies; change is from the ONS index, which adjusts for the mix of homes let.

Official statistics in development: ONS may revise recent months.

No City of London figures are published.

Inside Airbnb, insideairbnb.com, CC BY 4.0.

Airbnb moves each listing's point by up to about 150 m, so a listing near a boundary can count in the next area.

Airbnb only: other platforms and agents' short lets are not counted.

A snapshot of listings on one day; a listing is not a night let, and some are rarely booked.

Homes are Census 2021 households, so empty homes are not in the count.

Walk to a station: the typical walk from the area's homes to the nearest rail, tube, DLR or tram station is timed along mapped OpenStreetMap paths at 4.8 km/h; each station row is a straight-line estimate stretched by a 1.3 routing detour, so it reads 'about'. Lifts, stairs, crossings and waiting are not timed. © OpenStreetMap contributors, ODbL.

Straight-line distances from this home.

Places come from OpenStreetMap, which volunteers keep up to date; a new shop or a closed pub may be missing.

Distances are straight lines from the area's centre or the home, not walking routes.

Fare zones and lines are TfL's; stations TfL does not list show them as unknown.

© OpenStreetMap contributors, available under the Open Database Licence (ODbL).

Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights [2019].

Powered by TfL Open Data.

Crime is counted where it happens, so busy shopping and night-life streets score high.

Rates are per 1,000 residents over 12 months; places with few residents and many visitors read high.

Police.uk open data: the police forces of England and Wales. Contains public sector information licensed under the Open Government Licence v3.0.

Road casualties: Department for Transport, Road Safety Data (STATS19), OGL v3.0. Many slight injuries are never reported to the police.

State schools within 1.5 km, nearest first, by straight-line distance. Not a catchment: being close does not guarantee a place.

Top 10%: the school is in the top tenth of London's schools on its latest published results and rated Good or better.

Older Ofsted grades and the new report cards are not comparable; each badge says which it is.

Kids, each ranked against London areas: nurseries and pre-schools within 1 km rated well by Ofsted (Good or Outstanding, or a report card with no area below Expected standard; childminders are not included), Ofsted Early Years management information, Open Government Licence v3.0. Road safety: pedestrians and cyclists hurt within 500 m in police-reported collisions over five years, DfT road safety data (STATS19), Open Government Licence v3.0. Cycle lanes: km of protected track and TfL Cycleway within 1 km, TfL Cycling Infrastructure Database (surveyed 2017–19) and Cycleways, Powered by TfL Open Data.

Shops, pubs, cafés, pharmacies and GP surgeries mapped in OpenStreetMap. Volunteers keep it up to date, so a new or closed place may be missing.

Food hygiene: cafés, restaurants, takeaways and pubs within 800 m with a published rating; exempt places and those awaiting inspection are left out. Food Standards Agency, Open Government Licence v3.0.

Straight-line distances from this home.

Places come from OpenStreetMap, which volunteers keep up to date; a new shop or a closed pub may be missing.

Distances are straight lines from the area's centre or the home, not walking routes.

Fare zones and lines are TfL's; stations TfL does not list show them as unknown.

© OpenStreetMap contributors, available under the Open Database Licence (ODbL).

Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights [2019].

Flood: shares of the area's land by Environment Agency band, not of its buildings. Highest: the highest band covering at least 1% of the land.

Environment Agency: these bands show the likelihood of flooding for an area, not for a specific property. Check one address.

Bands are modelled chances of flooding in a year, not a record of past floods.

Area figures describe the land in the area, not each building in it.

A home is read at its OS Open UPRN point, which may sit at the building centre.

Places outside every mapped band count as very low. Groundwater and sewer flooding are not included.

Rivers, lakes and reservoirs (OpenStreetMap) are left out of an area's land.

Environment Agency, Risk of Flooding from Rivers and Sea and Risk of Flooding from Surface Water (NaFRA2). Contains public sector information licensed under the Open Government Licence v3.0. © Environment Agency copyright and/or database right. Open water: © OpenStreetMap contributors (ODbL).

Noise: modelled whole-day average (Lden) at 327 recorded homes, road or rail; no aircraft noise. London: 44% of homes over 55 dB (Defra Round 4).

Modelled annual averages at 4 m above ground on a 10 m grid, not measurements.

Road and rail levels under 40 dB Lden are not mapped; each airport map stops at its own threshold (about 45-50 dB).

Aircraft levels show 2021 operations, when Covid restrictions cut flights sharply; busier years are louder.

Each home is read at its OS Open UPRN point, which may sit at the building centre.

Homes under 40 dB Lden are not mapped; the road median covers mapped homes only.

Defra strategic noise mapping Round 4: road and rail (2022) and airports (2021 operations). Contains public sector information licensed under the Open Government Licence v3.0.

Straight-line distances from this home.

Places come from OpenStreetMap, which volunteers keep up to date; a new shop or a closed pub may be missing.

Distances are straight lines from the area's centre or the home, not walking routes.

Fare zones and lines are TfL's; stations TfL does not list show them as unknown.

© OpenStreetMap contributors, available under the Open Database Licence (ODbL).

Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights [2019].

Nature: the score combines green land, street trees per hectare and the distance to the nearest nature reserve or SSSI, each ranked among London neighbourhoods.

Wildlife: species people recorded within 1 km (birds, mammals, amphibians). Records follow where people look, so a short list can mean few observers, not few animals.

• London Atmospheric Emissions Inventory 2022, Greater London Authority and Transport for London. · London Datastore terms (use for any purpose); confirm OGL v3.0 with the GLA
• London's Urban Heat Island, average summer (2011), Greater London Authority. Contains public sector information licensed under the Open Government Licence v3.0. · OGL-3.0
• Patients Registered at a GP Practice and General Practice Workforce, NHS England. Contains information from NHS England, licenced under the current version of the Open Government Licence. · OGL-3.0

Air pollution is modelled by the GLA (London Atmospheric Emissions Inventory) for one year on a 20 m grid and averaged over the area's homes; it is not a measurement at any one address.

Summer heat is the GLA's modelled mean midnight air temperature, May to September 2011, on a 250 m grid, averaged over the area's homes: it shows which places stay warmer at night, not a forecast or an indoor temperature.

GP access counts the practices whose surgery postcode is within 1 km of a neighbourhood's centre (for an MSOA or borough, inside it): registered patients per full-time-equivalent GP, trainees and locums excluded. People can register with a practice further away; practices outside England are not counted.

Shares of this neighbourhood's households, 2021 Census; the tick on each row is London. Neutral context, never rated.

ONS Census 2021 tables TS003, TS004, TS007A, TS012, TS013, TS015, TS021, TS022, TS028, TS030, TS031, TS044, TS054, TS063, TS066, TS067 via Nomis; country of birth (190 categories) and main language (26) via the ONS API. Source: Office for National Statistics licensed under the Open Government Licence v3.0.

ONS mid-2024 Lower layer Super Output Area population estimates (revised November 2025). Source: Office for National Statistics licensed under the Open Government Licence v3.0.

Conservation Areas, Greater London Authority (London Datastore), licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right.

Listed buildings: © Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right. National Heritage List for England, via planning.data.gov.uk, Open Government Licence v3.0.

Ofcom Connected Nations, spring 2026 update (January 2026 coverage). Contains public sector information licensed under the Open Government Licence v3.0.

Office for National Statistics, Census 2021 TS019 Migrant indicator, licensed under the Open Government Licence v3.0.

Article 4 direction areas, planning.data.gov.uk (MHCLG, from local planning authorities). Contains public sector information licensed under the Open Government Licence v3.0.

Shares are of the area's land; the borough's own maps and planning team are the authority on what needs permission.

Article 4 counts only directions that remove householder rights (extensions, roofs, porches, windows), and only from councils that publish them to planning.data.gov.uk.

Conservation areas outside London are as councils publish them to planning.data.gov.uk; a council that publishes none shows no conservation share (unknown).

Listed buildings are counted by list entry; one entry can be a terrace. Listing covers the whole building, inside and out.

Broadband is availability (a line can be ordered), not take-up or speed in use; full fibre is the council area's figure.

Settledness is from Census day, 21 March 2021, during the pandemic: students and some renters were away.

Shares of this neighbourhood's residents and households, 2021 Census; the tick on each row is London. Neutral context, never rated.

People per km²: mid-2024 population estimate over the area's land.

ONS Census 2021 tables TS003, TS004, TS007A, TS012, TS013, TS015, TS021, TS022, TS028, TS030, TS031, TS044, TS054, TS063, TS066, TS067 via Nomis; country of birth (190 categories) and main language (26) via the ONS API. Source: Office for National Statistics licensed under the Open Government Licence v3.0.

ONS mid-2024 Lower layer Super Output Area population estimates (revised November 2025). Source: Office for National Statistics licensed under the Open Government Licence v3.0.

Deprivation is the official Index of Multiple Deprivation for the area, not its people.

Councillor data from Democracy Club (democracyclub.org.uk), CC BY 4.0.

Council Tax levels set by local authorities in England 2026 to 2027, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.

MP data from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0.

Source: Office for National Statistics, Price Index of Private Rents. Contains public sector information licensed under the Open Government Licence v3.0.