Postcode · N21 3SA

N21 3SA

UK › N › N21 › N21 3

Property report — N21 3SA

Open-data due diligence for N21 3SA and the area around it.

N21 3SA in brief: 27 recorded sales (£5,000–£910,000) · no modelled flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for N21 3SA itself. Where open data isn't published that finely (population, crime, schools), we show the N21 3 sector — each figure below is tagged with its scope.

Avg sold price

£834,650

sector N21 3 · 81 sales

Population

17,244

sector N21 3

Crimes recorded

sector N21 3 · Apr 26

Schools

sector N21 3

Flood risk

None modelled

this postcode

Gigabit broadband

91%

sector N21 3 of premises

Sold-price trend (1995–2026)

Annual average (mean) sold price in N21 3, 1995–2026. 2026 is a part year (13 sales so far) — shown greyed. Hover a point to read its value. Source: HM Land Registry Price Paid.

Sold prices on this postcode

Date	Price	Address	Type
2024-05-09	£287,500	755B GREEN LANES	Flat
2022-01-10	£310,000	763A - 763B GREEN LANES	Terraced
2021-07-09	£276,000	763A - 763B GREEN LANES	Other
2021-04-16	£300,000	753A - 753B GREEN LANES	Other
2021-02-18	£910,000	749 GREEN LANES	Other
2020-07-31	£207,000	753C GREEN LANES	Flat
2020-06-03	£368,000	753A - 753B GREEN LANES	Flat
2018-12-06	£15,000	757 GREEN LANES	Other
2018-09-21	£310,000	759A - 759B GREEN LANES	Flat
2017-08-01	£5,000	753 GREEN LANES	Other
2016-11-02	£80,000	751 GREEN LANES	Other
2015-08-18	£725,000	749 GREEN LANES	Other
2015-03-18	£25,000	751 GREEN LANES	Other
2015-02-24	£272,500	757B GREEN LANES	Flat
2013-05-03	£161,000	753C GREEN LANES	Flat
2013-05-03	£161,000	753C GREEN LANES	Flat
2007-05-15	£159,950	753B GREEN LANES	Flat
2000-07-27	£124,500	763B GREEN LANES	Flat
2000-03-20	£76,500	753A GREEN LANES	Terraced
1999-08-04	£95,000	755A GREEN LANES	Flat
1999-07-16	£75,600	755B GREEN LANES	Flat
1998-03-31	£80,000	763B GREEN LANES	Flat
1996-11-13	£88,513	755A GREEN LANES	Terraced
1996-05-23	£18,000	753B GREEN LANES	Flat
1996-05-14	£28,000	755B GREEN LANES	Flat
1996-05-13	£114,000	747A GREEN LANES	Detached
1995-03-31	£65,000	763B GREEN LANES	Flat

27 recorded sales on N21 3SA. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

School	Distance	Phase	Ofsted
Highfield Primary School	0.2 mi	Primary	Report card →
St Paul's CofE Primary School	0.3 mi	Primary	Good (2023)
Winchmore School	0.3 mi	Secondary	Report card →
Edmonton County School	0.8 mi	All-through	Good (2024)
Firs Farm Primary School	0.8 mi	Primary	Report card →
Starks Field Primary School	1.0 mi	Primary	Good (2023)

Straight-line distance from the postcode. Ofsted = latest overall effectiveness (newer inspections may be ungraded). Sources: Get Information about Schools (DfE) · Ofsted.

What's nearby

Nearest GP surgeries: WINCHMORE HILL PRACTICE (0.1 mi) · THE WOODBERRY PRACTICE (0.4 mi) · GILLAN HOUSE SURGERY (0.7 mi)

Nearest hospitals: NORTH MIDDLESEX HOSPITAL (PSYCHIATRIC LINK LIASON NURSE SERVICE) (1.6 mi) · NORTH MIDDLESEX HOSPITAL DSU - ELECTIVE SURGICAL HUB (1.6 mi) · NORTH MIDDLESEX HOSPITAL (1.6 mi)

Nearest listed buildings: POLICE STATION (Grade II) (0.1 mi) · POST OFFICE SORTING OFFICE (Grade II) (0.1 mi) · FORECOURT RAILINGS TO POST OFFICE SORTING OFFICE (Grade II) (0.1 mi)

Nearest pharmacies: ATKINSONS CHEMIST (0.0 mi) · GREEN LANES PHARMACY (0.1 mi) · C ATKINSON CHEMIST (0.7 mi)

Nearest stations: Winchmore Hill (0.3 mi) · Grange Park (0.8 mi) · Palmers Green (1.1 mi)

Nearest supermarkets: Green Lanes Surgery & Pharmacy (0.1 mi) · Sainsbury's (0.2 mi) · Waitrose (0.3 mi)

Straight-line distance from the postcode. Source: NaPTAN (DfT).

Who lives here

Median age: 41
One-person households: 26%
Households with children: 33%
Households: 6,469

Owned 68% · Social rent 7% · Private rent 25%

Census 2021 (ONS), for N21 3.

Recorded crime trend

Recorded crimes per month in N21 3 (Aug 24–Apr 26, average 40/month). Hover a point to read the count. Source: Police.uk street-level data.

Flood risk

No modelled flood risk is recorded for N21 3SA in the Environment Agency dataset. This is reassuring but not a guarantee — Check the exact address on the official Environment Agency map →

Source: Environment Agency Risk of Flooding from Rivers and Sea (the official dataset name). Indicative catchment data, not an official property flood search.

How granular is this?

Measure	DistrictN21	SectorN21 3	PostcodeN21 3SA
Average sold price	£751,095	£834,650	£197,706
Population	38,070	17,244	—
Deprivation decile (1 = most deprived)	8/10	7/10	—
Crimes recorded	91	45	—
Schools	9	3	—
Flood risk	High	Low	Low
Gigabit broadband	91%	91%	52%
Superfast broadband	97%	100%	100%

— = no separate figure is published at that level. Most open data is published down to the sector (N21 3); the postcode column is built from the layers that go finer (sold transactions, Ofcom broadband). Sources: HM Land Registry · Police.uk · Ofsted/GIAS · ONS & IoD2025 · Environment Agency · Ofcom.

Your next steps

Get the official title document

The HM Land Registry title register shows the legal owner, price paid and any charges or covenants. Official copy, £7.

View the title document at HM Land Registry →

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Report generated 30 June 2026. Open data is refreshed periodically; HM Land Registry Price Paid typically lags by around two months, so the most recent sales may not appear yet.

Indicative due diligence compiled from public open data. Not a substitute for a regulated conveyancing or property search, a survey, or professional advice.