NW3 4BN
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Property report — NW3 4BN
Open-data due diligence for NW3 4BN and the area around it.
NW3 4BN in brief: 111 recorded sales (£30,000–£4,350,000) · no modelled flood risk · 2 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for NW3 4BN 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 sold price in NW3 4, 1995–2026 — mean (blue) and median (terracotta). The median is the typical sale; a wide gap to the mean means a few high-value sales pull the average up. 2026 is a part year (20 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2026-03-20 | £725,000 | FLAT 5, 63 BELSIZE AVENUE | Flat |
| 2025-05-02 | £947,500 | 35G BELSIZE AVENUE | Flat |
| 2025-03-31 | £475,000 | FLAT 2, 47 BELSIZE AVENUE | Flat |
| 2025-03-27 | £877,000 | 49B BELSIZE AVENUE | Flat |
| 2025-02-18 | £580,000 | FLAT 3, 49 BELSIZE AVENUE | Flat |
| 2024-10-28 | £1,875,000 | FLAT 1, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 2021-12-22 | £1,140,000 | FLAT 6, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 2021-09-29 | £577,500 | FLAT 6, 47 BELSIZE AVENUE | Flat |
| 2021-06-30 | £1,000,000 | 39B BELSIZE AVENUE | Flat |
| 2021-03-26 | £1,525,000 | FLAT 1, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 2020-05-04 | £805,000 | 49B BELSIZE AVENUE | Flat |
| 2019-09-13 | £520,000 | FLAT 21, 41 - 43 BELSIZE AVENUE | Flat |
| 2019-06-28 | £507,500 | FLAT 8, 41 - 43 BELSIZE AVENUE | Flat |
| 2019-06-11 | £955,000 | FLAT 15, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 2018-11-21 | £400,000 | FLAT 2, 49 BELSIZE AVENUE | Flat |
| 2018-07-26 | £830,000 | 35C BELSIZE AVENUE | Flat |
| 2018-05-31 | £1,750,000 | 35B - 35E BELSIZE AVENUE | Flat |
| 2018-05-11 | £592,000 | FLAT 4, 47 BELSIZE AVENUE | Flat |
| 2017-06-20 | £1,300,000 | 35A BELSIZE AVENUE | Flat |
| 2017-06-20 | £1,300,000 | PARKING SPACE, 35 BELSIZE AVENUE | Other |
| 2017-05-15 | £680,000 | FLAT 3, 51 BELSIZE AVENUE | Flat |
| 2017-01-04 | £525,000 | FLAT 7, 47 BELSIZE AVENUE | Flat |
| 2016-10-21 | £650,000 | FLAT 3, 49 BELSIZE AVENUE | Flat |
| 2016-07-21 | £590,000 | FLAT 4, 51 BELSIZE AVENUE | Flat |
| 2015-11-30 | £695,000 | FLAT 5, 63 BELSIZE AVENUE | Flat |
| 2015-11-24 | £668,736 | 35F BELSIZE AVENUE | Flat |
| 2015-05-21 | £724,018 | 35E BELSIZE AVENUE | Flat |
| 2014-08-07 | £1,635,000 | FLAT 1, 51 BELSIZE AVENUE | Flat |
| 2014-07-03 | £1,250,000 | FLAT 2, 51 BELSIZE AVENUE | Flat |
| 2014-06-02 | £425,000 | FLAT 2, 41 - 43 BELSIZE AVENUE | Flat |
| 2014-05-27 | £615,000 | FLAT 9, 47 BELSIZE AVENUE | Flat |
| 2014-04-17 | £400,000 | FLAT 21, 41 - 43 BELSIZE AVENUE | Flat |
| 2013-11-29 | £925,000 | FLAT 5, 51 BELSIZE AVENUE | Flat |
| 2013-11-27 | £799,950 | FLAT 8, 47 BELSIZE AVENUE | Flat |
| 2013-10-31 | £499,950 | SECOND FLOOR FLAT (REAR), 49 BELSIZE AVENUE | Flat |
| 2013-08-28 | £824,500 | 49B BELSIZE AVENUE | Flat |
| 2013-03-01 | £395,000 | FLAT 7, 41 - 43 BELSIZE AVENUE | Flat |
| 2012-08-22 | £305,000 | FLAT 20, 41 - 43 BELSIZE AVENUE | Flat |
| 2012-05-25 | £1,355,000 | FLAT 9, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 2011-07-06 | £205,000 | FLAT 2, 47 BELSIZE AVENUE | Flat |
| 2011-06-24 | £313,000 | FLAT 1, 47 BELSIZE AVENUE | Flat |
| 2011-02-18 | £650,000 | FLAT 4, 45 BELSIZE AVENUE | Flat |
| 2010-12-10 | £387,500 | FLAT 9, 47 BELSIZE AVENUE | Flat |
| 2010-11-19 | £340,000 | FLAT 5, 47 BELSIZE AVENUE | Flat |
| 2010-04-12 | £288,900 | FLAT 10, 41 - 43 BELSIZE AVENUE | Flat |
| 2010-02-22 | £385,000 | FLAT 5, 63 BELSIZE AVENUE | Flat |
| 2010-01-15 | £370,000 | FLAT 4, 47 BELSIZE AVENUE | Flat |
| 2010-01-12 | £345,000 | SECOND FLOOR FLAT (REAR), 49 BELSIZE AVENUE | Flat |
| 2010-01-04 | £395,000 | FLAT 10, 47 BELSIZE AVENUE | Flat |
| 2009-12-02 | £337,500 | FLAT 4, 63 BELSIZE AVENUE | Flat |
| 2009-11-16 | £281,000 | FLAT 7, 47 BELSIZE AVENUE | Flat |
| 2009-10-30 | £482,500 | FLAT 8, 47 BELSIZE AVENUE | Flat |
| 2009-09-10 | £369,000 | FLAT 3, 47 BELSIZE AVENUE | Flat |
| 2009-01-28 | £310,000 | THIRD FLOOR FLAT (FRONT), 49 BELSIZE AVENUE | Flat |
| 2008-12-19 | £4,350,000 | 61 BELSIZE AVENUE | Semi-detached |
| 2008-02-14 | £361,000 | FLAT 14, 41 - 43 BELSIZE AVENUE | Flat |
| 2007-12-07 | £325,000 | FLAT 8, 41 - 43 BELSIZE AVENUE | Flat |
| 2007-11-26 | £560,000 | 35C BELSIZE AVENUE | Flat |
| 2007-11-12 | £1,025,000 | RAISED GROUND FLOOR FLAT, 63 BELSIZE AVENUE | Flat |
| 2007-08-02 | £495,000 | 35D BELSIZE AVENUE | Flat |
| 2007-05-25 | £675,000 | FLAT 5, 45 BELSIZE AVENUE | Flat |
| 2007-03-19 | £285,000 | FLAT 14, 41 - 43 BELSIZE AVENUE | Flat |
| 2007-02-07 | £370,000 | FLAT 7, 41 - 43 BELSIZE AVENUE | Flat |
| 2007-01-12 | £486,800 | 49A BELSIZE AVENUE | Flat |
| 2006-12-15 | £760,000 | ENTRANCE FLOOR FLAT, 49 BELSIZE AVENUE | Flat |
| 2006-11-07 | £500,000 | 49B BELSIZE AVENUE | Flat |
| 2006-10-20 | £250,000 | FLAT 7, 41 - 43 BELSIZE AVENUE | Flat |
| 2006-02-10 | £1,418,110 | 61 BELSIZE AVENUE | Semi-detached |
| 2006-01-18 | £485,000 | 39B BELSIZE AVENUE | Flat |
| 2005-11-25 | £212,000 | THIRD FLOOR FLAT (FRONT), 49 BELSIZE AVENUE | Flat |
| 2005-11-08 | £455,000 | FLAT E, 39 BELSIZE AVENUE | Flat |
| 2005-07-11 | £520,000 | BASEMENT FLAT, 49 BELSIZE AVENUE | Flat |
| 2005-06-20 | £430,000 | 35G BELSIZE AVENUE | Flat |
| 2005-06-10 | £232,500 | FLAT 8, 41 - 43 BELSIZE AVENUE | Flat |
| 2005-03-18 | £550,000 | 35A BELSIZE AVENUE | Flat |
| 2004-09-20 | £182,000 | FLAT 15, 41 - 43 BELSIZE AVENUE | Flat |
| 2004-05-28 | £439,000 | FLAT 5, 51 BELSIZE AVENUE | Flat |
| 2004-04-07 | £325,000 | FLAT 3, 49 BELSIZE AVENUE | Flat |
| 2004-02-16 | £650,000 | ENTRANCE FLOOR FLAT, 49 BELSIZE AVENUE | Flat |
| 2004-01-30 | £545,000 | FLAT 2, 51 BELSIZE AVENUE | Flat |
| 2003-01-14 | £227,500 | SECOND FLOOR FLAT, 49 BELSIZE AVENUE | Flat |
| 2002-10-25 | £267,000 | FLAT 4, 63 BELSIZE AVENUE | Flat |
| 2002-10-15 | £275,000 | FLAT 5, 63 BELSIZE AVENUE | Flat |
| 2002-03-25 | £305,000 | 35G BELSIZE AVENUE | Flat |
| 2001-11-28 | £460,000 | FLAT 2, 51 BELSIZE AVENUE | Flat |
| 2001-09-28 | £299,950 | 35D BELSIZE AVENUE | Flat |
| 2001-08-17 | £463,765 | FLAT 3, 63 BELSIZE AVENUE | Flat |
| 2001-07-27 | £210,000 | FLAT 3, 49 BELSIZE AVENUE | Flat |
| 2000-08-01 | £285,000 | FLAT 5, 51 BELSIZE AVENUE | Flat |
| 2000-07-24 | £146,000 | FLAT 7, 47 BELSIZE AVENUE | Flat |
| 2000-04-14 | £390,000 | FLAT 4, 45 BELSIZE AVENUE | Flat |
| 2000-03-10 | £183,000 | FLAT 4, 63 BELSIZE AVENUE | Flat |
| 1999-11-05 | £166,000 | FLAT 3, 51 BELSIZE AVENUE | Flat |
| 1998-07-07 | £750,000 | FLAT 2, 47 BELSIZE AVENUE | Terraced |
| 1998-05-29 | £94,600 | FLAT 5, 63 BELSIZE AVENUE | Flat |
| 1998-05-06 | £230,000 | FLAT 4, 45 BELSIZE AVENUE | Flat |
| 1998-02-03 | £280,000 | RAISED GROUND FLOOR FLAT, 63 BELSIZE AVENUE | Flat |
| 1997-09-26 | £205,000 | FLAT 6, 63 BELSIZE AVENUE | Flat |
| 1997-07-31 | £97,000 | FLAT 4, 63 BELSIZE AVENUE | Flat |
| 1997-06-13 | £225,000 | FLAT 1, 63 BELSIZE AVENUE | Flat |
| 1997-04-30 | £145,000 | FLAT 3, 63 BELSIZE AVENUE | Flat |
| 1997-04-15 | £200,000 | RAISED GROUND FLOOR FLAT, 63 BELSIZE AVENUE | Flat |
| 1997-02-28 | £289,000 | FLAT 1, 51 BELSIZE AVENUE | Flat |
| 1997-02-28 | £407,000 | FLAT 9, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 1996-12-16 | £325,000 | FLAT 13, THE PORTICOS, 53 - 59 BELSIZE AVENUE | Flat |
| 1996-12-06 | £269,000 | ENTRANCE FLOOR FLAT, 49 BELSIZE AVENUE | Flat |
| 1996-07-26 | £283,000 | GROUND FLOOR FLAT AT, 39 BELSIZE AVENUE | Flat |
| 1996-07-09 | £60,000 | 39B BELSIZE AVENUE | Flat |
| 1996-04-18 | £200,000 | FLAT 5, 45 BELSIZE AVENUE | Flat |
| 1995-11-26 | £30,000 | THIRD FLOOR FLAT (REAR), 49 BELSIZE AVENUE | Flat |
| 1995-04-20 | £105,000 | FLAT 4, 51 BELSIZE AVENUE | Flat |
111 recorded sales on NW3 4BN. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Rosary Catholic Primary School | 0.1 mi | Primary | Report card → |
| Fitzjohn's Primary School | 0.4 mi | Primary | Report 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: HAMPSTEAD GROUP PRACTICE (0.3 mi) · GRAY'S INN MEDICAL GROUP HAMPSTEAD (0.3 mi) · KEATS GROUP PRACTICE (0.4 mi)
Nearest hospitals: ROYAL FREE HOSPITAL (0.2 mi) · ROYAL FREE HOSPITAL ED (0.2 mi) · RENAL CLINIC - ROYAL FREE HOSPITAL (0.2 mi)
Nearest listed buildings: 34 Belsize Lane, including boundary wall to Belsize Lane (Grade II) (0.1 mi) · NUMBER 16 AND GARDEN WALLS AND GATE PIERS (Grade II) (0.1 mi) · HAMPSTEAD TOWN HALL AND ATTACHED WALLS AND PIERS (Grade II) (0.1 mi)
Nearest pharmacies: BOOTS (0.1 mi) · VILLAGE PHARMACY (0.1 mi) · HOUSE OF MISTRY (CHEMIST) (0.3 mi)
Nearest stations: Belsize Park (0.2 mi) · Hampstead Heath (0.3 mi) · Swiss Cottage (0.5 mi)
Nearest supermarkets: pomona (0.2 mi) · M&S Foodhall (0.3 mi) · Planet Organic (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 4BN 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 4BN |
|---|---|---|---|
| Average sold price | £1,697,341 | £1,192,883 | £566,327 |
| 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.