NW3 4HT
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Property report — NW3 4HT
Open-data due diligence for NW3 4HT and the area around it.
NW3 4HT in brief: 126 recorded sales (£92,000–£5,600,000) · no modelled flood risk · 2 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for NW3 4HT itself. Where open data isn't published that finely (population, crime, schools), we show the NW3 4 sector — each figure below is tagged with its scope.
Avg sold price
£1,192,883
Population
16,336
Crimes recorded
63
Schools
3
Flood risk
None modelled
Gigabit broadband
97%
Sold-price trend (1995–2026)
Annual average (mean) sold price in NW3 4, 1995–2026. 2026 is a part year (20 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 |
|---|---|---|---|
| 2024-11-01 | £1,090,000 | FLAT 5, 8 BELSIZE SQUARE | Flat |
| 2023-10-30 | £780,000 | FLAT 2, 5 BELSIZE SQUARE | Flat |
| 2023-09-19 | £617,500 | 10D BELSIZE SQUARE | Flat |
| 2022-08-15 | £1,330,000 | FLAT 4, 22 BELSIZE SQUARE | Flat |
| 2022-05-25 | £1,000,000 | FLAT 5, 22 BELSIZE SQUARE | Flat |
| 2022-03-04 | £519,000 | 4E BELSIZE SQUARE | Flat |
| 2022-02-25 | £1,625,000 | 15A BELSIZE SQUARE | Flat |
| 2021-06-29 | £1,200,000 | FLAT 2, 9 BELSIZE SQUARE | Flat |
| 2021-02-19 | £515,000 | 16D BELSIZE SQUARE | Flat |
| 2021-01-22 | £5,600,000 | 19 BELSIZE SQUARE | Semi-detached |
| 2020-08-13 | £1,585,000 | 14A BELSIZE SQUARE | Flat |
| 2020-04-03 | £1,464,500 | FLAT 1, 9 BELSIZE SQUARE | Flat |
| 2019-12-02 | £1,490,000 | 18A BELSIZE SQUARE | Flat |
| 2019-06-28 | £1,400,000 | FLAT 1, 13 BELSIZE SQUARE | Flat |
| 2018-08-10 | £1,275,000 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 2017-03-31 | £1,150,000 | FLAT 4, 5 BELSIZE SQUARE | Flat |
| 2016-08-26 | £720,000 | 10C BELSIZE SQUARE | Flat |
| 2016-03-31 | £1,835,500 | 12C BELSIZE SQUARE | Flat |
| 2016-03-01 | £602,500 | 16G BELSIZE SQUARE | Flat |
| 2016-01-11 | £825,000 | FLAT F, 10 BELSIZE SQUARE | Flat |
| 2015-11-02 | £1,085,000 | FLAT 4, 22 BELSIZE SQUARE | Flat |
| 2015-08-10 | £800,000 | FLAT 6, 9 BELSIZE SQUARE | Flat |
| 2015-07-03 | £480,000 | 4E BELSIZE SQUARE | Flat |
| 2015-06-25 | £1,450,000 | FLAT 2, 22 BELSIZE SQUARE | Flat |
| 2015-03-06 | £1,245,000 | FLAT 2, 13 BELSIZE SQUARE | Flat |
| 2015-01-23 | £1,960,000 | FLAT 3, 18 BELSIZE SQUARE | Flat |
| 2014-09-19 | £1,630,000 | 14A BELSIZE SQUARE | Flat |
| 2014-09-02 | £1,560,000 | FLAT 1, 22 BELSIZE SQUARE | Flat |
| 2013-12-18 | £1,620,000 | TOP FLAT, 6 BELSIZE SQUARE | Flat |
| 2013-12-06 | £625,000 | 10E BELSIZE SQUARE | Flat |
| 2013-10-31 | £1,300,000 | GROUND FLOOR FLAT, 14 BELSIZE SQUARE | Flat |
| 2013-09-02 | £695,000 | FLAT 5, 22 BELSIZE SQUARE | Flat |
| 2013-07-25 | £1,280,000 | TOP FLAT, 6 BELSIZE SQUARE | Flat |
| 2012-11-09 | £585,000 | FLAT 4, 8 BELSIZE SQUARE | Flat |
| 2012-08-23 | £1,070,000 | 14D BELSIZE SQUARE | Flat |
| 2012-07-27 | £895,000 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 2012-07-03 | £825,000 | 12C BELSIZE SQUARE | Flat |
| 2011-10-28 | £400,000 | 10E BELSIZE SQUARE | Flat |
| 2011-06-28 | £1,000,000 | 17A BELSIZE SQUARE | Flat |
| 2011-06-16 | £1,050,000 | FLAT 2, 11 BELSIZE SQUARE | Flat |
| 2010-10-18 | £424,500 | FLAT 4, 9 BELSIZE SQUARE | Flat |
| 2010-10-08 | £979,000 | FLAT A, 10 BELSIZE SQUARE | Flat |
| 2010-10-01 | £695,000 | FLAT 4, 13 BELSIZE SQUARE | Flat |
| 2010-07-16 | £475,000 | 16C BELSIZE SQUARE | Flat |
| 2009-12-10 | £5,000,000 | 1 BELSIZE SQUARE | Semi-detached |
| 2009-11-30 | £450,000 | FLAT 2, 5 BELSIZE SQUARE | Flat |
| 2009-07-31 | £885,000 | FLAT 1, 22 BELSIZE SQUARE | Flat |
| 2009-03-13 | £425,000 | FLAT 4, 8 BELSIZE SQUARE | Flat |
| 2008-07-25 | £720,000 | FLAT 5, 8 BELSIZE SQUARE | Flat |
| 2007-10-22 | £317,500 | 3C BELSIZE SQUARE | Flat |
| 2007-10-11 | £440,000 | FLAT 5, 9 BELSIZE SQUARE | Flat |
| 2007-09-24 | £559,000 | FLAT 6, 9 BELSIZE SQUARE | Flat |
| 2007-07-31 | £1,100,000 | FLAT 1, 9 BELSIZE SQUARE | Flat |
| 2007-06-26 | £755,000 | FIRST FLOOR, 14 BELSIZE SQUARE | Flat |
| 2007-03-16 | £747,500 | FIRST FLOOR REAR MAISONETTE, 14 BELSIZE SQUARE | Flat |
| 2007-03-15 | £878,000 | 15A BELSIZE SQUARE | Flat |
| 2007-01-04 | £250,000 | 3C BELSIZE SQUARE | Flat |
| 2006-10-31 | £600,500 | FLAT 1, 6 BELSIZE SQUARE | Flat |
| 2006-07-14 | £570,000 | 12C BELSIZE SQUARE | Flat |
| 2006-06-09 | £625,000 | FLAT 3, 18 BELSIZE SQUARE | Flat |
| 2006-03-22 | £720,000 | FLAT 1, 22 BELSIZE SQUARE | Flat |
| 2006-02-27 | £315,000 | FLAT 6, 9 BELSIZE SQUARE | Flat |
| 2006-02-23 | £721,000 | FLAT 2, 11 BELSIZE SQUARE | Flat |
| 2006-02-17 | £602,500 | 14A BELSIZE SQUARE | Flat |
| 2005-11-25 | £225,000 | FLAT 3, 9 BELSIZE SQUARE | Flat |
| 2005-08-26 | £330,000 | 16C BELSIZE SQUARE | Flat |
| 2005-08-08 | £372,500 | FLAT F, 10 BELSIZE SQUARE | Flat |
| 2005-06-28 | £480,000 | FLAT 2, 18 BELSIZE SQUARE | Flat |
| 2005-04-01 | £625,000 | FLAT B, 17 BELSIZE SQUARE | Flat |
| 2005-01-31 | £612,000 | 15A BELSIZE SQUARE | Flat |
| 2004-12-22 | £640,000 | 16A BELSIZE SQUARE | Flat |
| 2004-11-01 | £160,000 | FLAT 3, 11 BELSIZE SQUARE | Flat |
| 2004-09-22 | £440,000 | FLAT B, 17 BELSIZE SQUARE | Flat |
| 2004-09-09 | £470,000 | FLAT 4, 13 BELSIZE SQUARE | Flat |
| 2004-05-28 | £499,000 | FLAT 3, 13 BELSIZE SQUARE | Flat |
| 2004-04-05 | £480,000 | FLAT 4, 5 BELSIZE SQUARE | Flat |
| 2004-03-05 | £511,000 | FLAT 3, 22 BELSIZE SQUARE | Flat |
| 2004-02-20 | £475,000 | 17D BELSIZE SQUARE | Flat |
| 2004-02-17 | £499,000 | FLAT 5, 8 BELSIZE SQUARE | Flat |
| 2003-11-20 | £530,000 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 2003-09-09 | £355,000 | FLAT 4, 8 BELSIZE SQUARE | Flat |
| 2003-07-14 | £686,000 | FLAT 1, 11 BELSIZE SQUARE | Flat |
| 2003-06-20 | £399,000 | FLAT 4, 13 BELSIZE SQUARE | Flat |
| 2003-06-20 | £168,000 | FLAT 3, 5 BELSIZE SQUARE | Flat |
| 2003-05-29 | £238,000 | FLAT 3, 6 BELSIZE SQUARE | Flat |
| 2003-04-29 | £475,000 | 15A BELSIZE SQUARE | Flat |
| 2003-04-04 | £565,000 | FLAT 1, 22 BELSIZE SQUARE | Flat |
| 2002-12-06 | £470,000 | GROUND FLOOR FLAT, 14 BELSIZE SQUARE | Flat |
| 2002-09-12 | £645,000 | FLAT 1, 13 BELSIZE SQUARE | Flat |
| 2002-05-31 | £600,000 | FLAT 1, 15 BELSIZE SQUARE | Flat |
| 2002-05-24 | £499,950 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 2002-05-20 | £517,500 | FLAT 1, 9 BELSIZE SQUARE | Flat |
| 2001-08-10 | £480,000 | 16A BELSIZE SQUARE | Flat |
| 2001-06-29 | £1,400,000 | 1 BELSIZE SQUARE | Semi-detached |
| 2001-04-19 | £225,000 | FLAT 3, 8 BELSIZE SQUARE | Flat |
| 2001-02-23 | £488,000 | FLAT 1, 13 BELSIZE SQUARE | Flat |
| 2001-01-19 | £290,000 | 20 BELSIZE SQUARE | Terraced |
| 2000-12-08 | £230,000 | FLAT D, 10 BELSIZE SQUARE | Flat |
| 2000-12-08 | £420,000 | FLAT 5, 8 BELSIZE SQUARE | Flat |
| 2000-10-23 | £345,000 | FLAT 4, 5 BELSIZE SQUARE | Flat |
| 2000-07-07 | £280,000 | FLAT 4, 8 BELSIZE SQUARE | Flat |
| 2000-07-07 | £282,000 | FLAT 2, 8 BELSIZE SQUARE | Flat |
| 2000-05-25 | £360,000 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 2000-04-27 | £432,500 | FLAT 1, 11 BELSIZE SQUARE | Flat |
| 1999-08-19 | £402,500 | FLAT 2, 13 BELSIZE SQUARE | Flat |
| 1999-08-10 | £341,000 | FLAT 2, 11 BELSIZE SQUARE | Flat |
| 1999-07-30 | £155,000 | FLAT 4, 9 BELSIZE SQUARE | Flat |
| 1999-07-30 | £560,000 | FLAT 1, 8 BELSIZE SQUARE | Flat |
| 1999-04-29 | £148,000 | FLAT 3, 6 BELSIZE SQUARE | Flat |
| 1999-02-10 | £325,000 | FLAT 3, 22 BELSIZE SQUARE | Flat |
| 1998-10-15 | £340,000 | 1 BELSIZE SQUARE | Semi-detached |
| 1998-08-03 | £165,000 | FLAT 2, 6 BELSIZE SQUARE | Flat |
| 1998-04-28 | £279,000 | FLAT 1, 6 BELSIZE SQUARE | Flat |
| 1998-01-30 | £180,000 | FLAT F, 10 BELSIZE SQUARE | Flat |
| 1998-01-30 | £360,000 | FLAT 1, 22 BELSIZE SQUARE | Flat |
| 1997-09-19 | £300,000 | FLAT 2, 13 BELSIZE SQUARE | Flat |
| 1997-03-27 | £212,000 | FLAT 2, 15 BELSIZE SQUARE | Flat |
| 1996-11-22 | £97,000 | FLAT 5, 11 BELSIZE SQUARE | Flat |
| 1996-10-02 | £212,000 | 17A BELSIZE SQUARE | Flat |
| 1996-09-06 | £230,000 | FLAT 1, 11 BELSIZE SQUARE | Flat |
| 1996-08-16 | £187,000 | FLAT 3, 18 BELSIZE SQUARE | Flat |
| 1996-07-31 | £175,000 | FLAT A, 10 BELSIZE SQUARE | Flat |
| 1996-07-31 | £92,000 | FLAT D, 10 BELSIZE SQUARE | Flat |
| 1996-07-19 | £185,000 | FLAT 4, 5 BELSIZE SQUARE | Flat |
| 1995-10-26 | £165,000 | FLAT 3, 11 BELSIZE SQUARE | Flat |
| 1995-09-04 | £282,000 | FLAT 1, 15 BELSIZE SQUARE | Flat |
126 recorded sales on NW3 4HT. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Holy Trinity CofE Primary School, NW3 | 0.3 mi | Primary | Report card → |
| The UCL Academy | 0.4 mi | Secondary | Good (2024) |
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: GRAY'S INN MEDICAL GROUP HAMPSTEAD (0.2 mi) · SWISS COTTAGE SURGERY (0.3 mi) · ADELAIDE MEDICAL CENTRE (0.5 mi)
Nearest hospitals: ROYAL FREE HOSPITAL (0.5 mi) · ROYAL FREE HOSPITAL ED (0.5 mi) · RENAL CLINIC - ROYAL FREE HOSPITAL (0.5 mi)
Nearest listed buildings: CHURCH OF ST PETER (Grade II) (0.1 mi) · NUMBER 36 AND ATTACHED FRONT GARDEN WALL AND PIERS (Grade II) (0.2 mi) · NUMBER 34 AND ATTACHED FRONT GARDEN BOUNDARY WALL AND GATE PIERS (Grade II) (0.2 mi)
Nearest pharmacies: VILLAGE PHARMACY (0.2 mi) · GREEN LIGHT PHARMACY (0.3 mi) · BOOTS (0.3 mi)
Nearest stations: Swiss Cottage (0.3 mi) · Belsize Park (0.3 mi) · Finchley Road (0.4 mi)
Nearest supermarkets: pomona (0.3 mi) · Waitrose (0.4 mi) · Pricewise Food & Wine (0.4 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 38
- One-person households
- 43%
- Households with children
- 21%
- Households
- 7,888
Owned 39% · Social rent 14% · Private rent 47%
Census 2021 (ONS), for NW3 4.
Recorded crime trend
Recorded crimes per month in NW3 4 (May 24–Apr 26, average 80/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for NW3 4HT 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 | DistrictNW3 | SectorNW3 4 | PostcodeNW3 4HT |
|---|---|---|---|
| Average sold price | £1,697,341 | £1,192,883 | £722,424 |
| Population | 74,834 | 16,336 | — |
| Deprivation decile (1 = most deprived) | 7/10 | 7/10 | — |
| Crimes recorded | 422 | 63 | — |
| Schools | 36 | 3 | — |
| Flood risk | Low | Low | Low |
| Gigabit broadband | 93% | 97% | 100% |
| Superfast broadband | 100% | 99% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (NW3 4); 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.
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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.
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.