Postcode · N21 3JU

N21 3JU

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UK › NN21N21 3

Property report — N21 3JU

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

N21 3JU in brief: 32 recorded sales (£68,000–£1,275,000) · no modelled flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for N21 3JU 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

45

sector N21 3 · Apr 26

Schools

3

sector N21 3

Flood risk

None modelled

this postcode

Gigabit broadband

91%

sector N21 3 of premises

Sold-price trend (1995–2026)

1995: £123,391 (104 sales)1996: £108,760 (140 sales)1997: £134,949 (165 sales)1998: £144,315 (134 sales)1999: £177,155 (144 sales)2000: £248,426 (116 sales)2001: £238,912 (150 sales)2002: £286,600 (146 sales)2003: £314,155 (141 sales)2004: £307,311 (110 sales)2005: £339,942 (103 sales)2006: £396,875 (154 sales)2007: £420,196 (104 sales)2008: £411,808 (82 sales)2009: £376,420 (82 sales)2010: £554,483 (72 sales)2011: £460,897 (70 sales)2012: £397,199 (92 sales)2013: £469,614 (104 sales)2014: £570,362 (113 sales)2015: £672,361 (88 sales)2016: £641,154 (92 sales)2017: £723,279 (97 sales)2018: £653,349 (81 sales)2019: £619,304 (80 sales)2020: £665,710 (71 sales)2021: £737,024 (144 sales)2022: £772,233 (93 sales)2023: £750,632 (59 sales)2024: £834,650 (81 sales)2025: £806,907 (94 sales)2026: £683,731 (13 sales) 2026: £683,731 (13 sales) — part year so far £834,650 £108,760 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

DatePriceAddressType
2022-03-30£1,130,0002 ARLOW ROADSemi-detached
2021-06-25£1,275,00022 ARLOW ROADSemi-detached
2019-07-01£525,000ARLOW HOUSE ARLOW ROADFlat
2017-09-22£1,050,00022 ARLOW ROADSemi-detached
2017-03-07£925,00020 ARLOW ROADSemi-detached
2014-08-28£915,00022 ARLOW ROADSemi-detached
2013-12-20£625,00016 ARLOW ROADSemi-detached
2012-08-09£325,000ARLOW HOUSE ARLOW ROADFlat
2009-10-23£560,0002 ARLOW ROADSemi-detached
2009-09-24£625,0004 ARLOW ROADSemi-detached
2008-06-12£275,00028 ARLOW ROADFlat
2008-06-12£275,00028 ARLOW ROADFlat
2007-11-16£360,000ARLOW HOUSE ARLOW ROADFlat
2007-07-20£332,500ARLOW HOUSE ARLOW ROADFlat
2007-05-04£684,00020 ARLOW ROADSemi-detached
2006-05-26£520,00022 ARLOW ROADTerraced
2006-05-05£570,0008 ARLOW ROADSemi-detached
2004-07-15£230,000MAISONETTE A, ARLOW HOUSEFlat
2003-06-27£482,50014 ARLOW ROADSemi-detached
2003-02-14£490,00020 ARLOW ROADSemi-detached
2002-03-11£170,00026 ARLOW ROADFlat
2000-01-10£325,45024 ARLOW ROADSemi-detached
1999-12-17£435,00032 ARLOW ROADDetached
1999-07-21£232,50022 ARLOW ROADTerraced
1999-07-12£113,00026A ARLOW ROADSemi-detached
1999-07-12£113,00026A ARLOW ROADSemi-detached
1999-07-06£215,000THE COACH HOUSE ARLOW ROADDetached
1999-06-21£108,99912A ARLOW ROADFlat
1998-07-27£246,00030 ARLOW ROADSemi-detached
1998-07-23£68,000MAISONETTE A, ARLOW HOUSEFlat
1996-05-01£170,00020 ARLOW ROADSemi-detached
1996-01-23£165,0008 ARLOW ROADSemi-detached

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

Nearest schools

SchoolDistancePhaseOfsted
St Paul's CofE Primary School0.3 miPrimaryGood (2023)
Highfield Primary School0.4 miPrimaryReport card →
Winchmore School0.4 miSecondaryReport card →
Hazelwood Junior School0.9 miPrimaryReport card →
Hazelwood Infant School0.9 miPrimaryReport card →
Firs Farm Primary School0.9 miPrimaryReport card →

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: THE WOODBERRY PRACTICE (0.2 mi) · WINCHMORE HILL PRACTICE (0.4 mi) · GILLAN HOUSE SURGERY (0.6 mi)

Nearest hospitals: NORTH MIDDLESEX HOSPITAL (PSYCHIATRIC LINK LIASON NURSE SERVICE) (1.7 mi) · NORTH MIDDLESEX HOSPITAL DSU - ELECTIVE SURGICAL HUB (1.7 mi) · NORTH MIDDLESEX HOSPITAL (1.7 mi)

Nearest listed buildings: POLICE STATION (Grade II) (0.2 mi) · POST OFFICE SORTING OFFICE (Grade II) (0.2 mi) · FORECOURT RAILINGS TO POST OFFICE SORTING OFFICE (Grade II) (0.2 mi)

Nearest pharmacies: ATKINSONS CHEMIST (0.3 mi) · GREEN LANES PHARMACY (0.4 mi) · WALKER CHEMISTS (0.6 mi)

Nearest stations: Winchmore Hill (0.2 mi) · Grange Park (0.9 mi) · Palmers Green (0.9 mi)

Nearest supermarkets: Sainsbury's (0.2 mi) · Green Lanes Surgery & Pharmacy (0.4 mi) · Waitrose (0.5 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

Aug 24: 25 crimesSep 24: 42 crimesOct 24: 40 crimesNov 24: 47 crimesDec 24: 32 crimesJan 25: 30 crimesFeb 25: 43 crimesMar 25: 43 crimesApr 25: 29 crimesMay 25: 29 crimesJun 25: 51 crimesJul 25: 38 crimesAug 25: 44 crimesSep 25: 37 crimesOct 25: 61 crimesNov 25: 33 crimesDec 25: 38 crimesJan 26: 51 crimesFeb 26: 41 crimesMar 26: 32 crimesApr 26: 45 crimes Apr 26: 45 crimes 61 25 Aug 24 Apr 26

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 3JU 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 3JU
Average sold price£751,095£834,650£454,248
Population38,07017,244
Deprivation decile (1 = most deprived)8/107/10
Crimes recorded9145
Schools93
Flood riskHighLowLow
Gigabit broadband91%91%100%
Superfast broadband97%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.

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Report generated 29 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.

Contains OS data © Crown copyright and database right 2026

Contains Royal Mail data © Royal Mail copyright and database right 2026

Contains National Statistics data © Crown copyright and database right 2026

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