SW3 3BQ
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Property report — SW3 3BQ
Open-data due diligence for SW3 3BQ and the area around it.
SW3 3BQ in brief: 81 recorded sales (£65,000–£1,300,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for SW3 3BQ itself. Where open data isn't published that finely (population, crime, schools), we show the SW3 3 sector — each figure below is tagged with its scope.
Avg sold price
£1,435,555
Population
10,696
Crimes recorded
52
Schools
1
Flood risk
None modelled
Gigabit broadband
99%
Sold-price trend (1995–2026)
Annual sold price in SW3 3, 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 (15 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2025-12-02 | £450,000 | FLAT 833, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2025-11-21 | £490,000 | FLAT 826, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2024-10-11 | £460,000 | FLAT 801, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2024-09-06 | £525,000 | FLAT 827, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2024-08-23 | £520,000 | FLAT 820, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2024-04-29 | £862,500 | FLAT 829, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2023-02-20 | £505,000 | FLAT 820, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2022-06-16 | £637,500 | FLAT 838, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-06-30 | £450,000 | FLAT 816, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-06-09 | £680,000 | FLAT 810, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2020-12-04 | £1,000,000 | FLAT 824, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2020-09-04 | £610,000 | FLAT 817, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2018-06-11 | £850,000 | FLAT 804, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2016-09-06 | £525,000 | FLAT 827, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2016-07-20 | £670,000 | FLAT 813, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2016-02-29 | £520,000 | FLAT 810, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2015-10-12 | £1,050,000 | FLAT 829, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2015-07-21 | £642,500 | FLAT 815, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2014-08-08 | £700,000 | FLAT 831, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2014-02-28 | £1,300,000 | FLAT 841, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-09-02 | £545,000 | FLAT 839, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-04-18 | £515,000 | FLAT 815, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-03-05 | £465,000 | FLAT 830, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2012-03-21 | £800,000 | FLAT 829, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2011-09-16 | £460,000 | FLAT 818, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-08-04 | £392,500 | FLAT 811, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-07-15 | £390,000 | FLAT 816, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-04-16 | £465,000 | FLAT 825, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-02-04 | £510,000 | FLAT 804, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2009-11-20 | £305,000 | FLAT 809, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2009-03-13 | £460,000 | FLAT 838, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2008-07-25 | £640,000 | FLAT 841, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2008-03-28 | £390,000 | FLAT 813, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-06-28 | £368,000 | FLAT 803, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-09-08 | £247,500 | FLAT 803, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-09-05 | £240,000 | FLAT 839, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-05-02 | £230,000 | FLAT 835, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-02-09 | £330,000 | FLAT 825, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2005-02-23 | £266,000 | FLAT 822, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-11-16 | £249,000 | FLAT 832, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-09-20 | £250,000 | FLAT 828, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-09-09 | £296,000 | FLAT 840, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-08-20 | £220,000 | FLAT 834, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-23 | £207,000 | FLAT 832, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-15 | £207,500 | FLAT 825, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-05 | £195,000 | FLAT 839, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-08-08 | £249,950 | FLAT 811, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-08-07 | £346,000 | FLAT 804, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-07-24 | £225,500 | FLAT 819, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-07-24 | £242,500 | FLAT 814, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-07-23 | £230,000 | FLAT 813, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-12-23 | £255,000 | FLAT 837, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-12-09 | £390,000 | FLAT 841, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-10-18 | £239,500 | FLAT 830, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-10-10 | £303,350 | FLAT 838, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-10-04 | £236,125 | FLAT 831, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-10-03 | £395,000 | FLAT 824, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-10-02 | £230,000 | FLAT 816, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-09-27 | £232,500 | FLAT 801, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-09-27 | £237,500 | FLAT 812, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-09-25 | £235,000 | FLAT 811, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-09-20 | £237,500 | FLAT 826, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-08-08 | £200,000 | FLAT 837, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-03-26 | £138,345 | FLAT 833, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-09-27 | £175,000 | FLAT 802, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-03-23 | £165,000 | FLAT 817, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-01-09 | £175,000 | FLAT 810, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-12-10 | £155,000 | FLAT 809, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-07-02 | £147,500 | FLAT 807, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-06-18 | £169,100 | FLAT 808, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-04-21 | £110,000 | FLAT 839, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-02-25 | £157,000 | FLAT 815, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1998-06-05 | £150,000 | FLAT 837, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-07-11 | £145,000 | FLAT 828, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-04-07 | £108,000 | FLAT 828, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-03-21 | £105,000 | FLAT 809, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-12-05 | £115,000 | FLAT 815, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-05-10 | £185,000 | FLAT 806, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-04-22 | £72,500 | FLAT 815, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-01-24 | £92,000 | FLAT 821, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1995-02-22 | £65,000 | FLAT 802, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
81 recorded sales on SW3 3BQ. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Marlborough Primary School | 0.1 mi | Primary | Report card → |
| St Joseph's Catholic Primary School | 0.1 mi | Primary | Outstanding (2024) |
| St. Thomas More Language College | 0.1 mi | Secondary | Good (2022) |
| Oratory Roman Catholic Primary School | 0.3 mi | Primary | Outstanding (2023) |
| Holy Trinity CofE Primary School | 0.4 mi | Primary | Report card → |
| Christ Church CofE Primary School | 0.5 mi | Primary | Outstanding (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: HEALTH PARTNERS AT VIOLET MELCHETT (0.4 mi) · THE CHELSEA PRACTICE (0.4 mi) · KNIGHTSBRIDGE MEDICAL CENTRE (0.5 mi)
Nearest hospitals: ROYAL BROMPTON HOSPITAL (0.3 mi) · CWFT SURGICAL HUB - ROYAL MARSDEN HOSPITAL (0.4 mi) · THE ROYAL MARSDEN HOSPITAL (LONDON) (0.4 mi)
Nearest listed buildings: THE GATEWAYS (Grade II) (0.1 mi) · 24-47, HALSEY STREET SW3 (Grade II) (0.1 mi) · SHUCKBURGH ARMS PUBLIC HOUSE (Grade II) (0.1 mi)
Nearest pharmacies: CHELSEA PHARMACY (0.0 mi) · CHELSEA GREEN (ASTELL) PHARMACY (0.1 mi) · BOOTS (0.2 mi)
Nearest stations: Sloane Square (0.4 mi) · South Kensington (0.4 mi) · Knightsbridge (0.7 mi)
Nearest supermarkets: Whole Foods Market (0.2 mi) · The Chelsea Grocer (0.2 mi) · Waitrose (0.3 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 38
- One-person households
- 48%
- Households with children
- 17%
- Households
- 5,154
Owned 34% · Social rent 22% · Private rent 44%
Census 2021 (ONS), for SW3 3.
Recorded crime trend
Recorded crimes per month in SW3 3 (Aug 24–Apr 26, average 67/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for SW3 3BQ 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 | DistrictSW3 | SectorSW3 3 | PostcodeSW3 3BQ |
|---|---|---|---|
| Average sold price | £2,457,607 | £1,435,555 | £370,443 |
| Population | 36,064 | 10,696 | — |
| Deprivation decile (1 = most deprived) | 6/10 | 5/10 | — |
| Crimes recorded | 472 | 52 | — |
| Schools | 10 | 1 | — |
| Flood risk | High | Low | Low |
| Gigabit broadband | 93% | 99% | 100% |
| Superfast broadband | 99% | 100% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (SW3 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 →Compare conveyancing quotes
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Report generated 1 July 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.