SW3 3AU
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Property report — SW3 3AU
Open-data due diligence for SW3 3AU and the area around it.
SW3 3AU in brief: 84 recorded sales (£71,000–£2,600,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for SW3 3AU 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 |
|---|---|---|---|
| 2024-09-26 | £500,000 | FLAT 30, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2023-08-07 | £510,000 | FLAT 34, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2023-06-12 | £505,000 | FLAT 25, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2022-03-18 | £650,000 | FLAT 17, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2022-03-18 | £650,000 | FLAT 17, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-10-28 | £525,000 | FLAT 3, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-04-19 | £440,000 | FLAT 26, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-03-16 | £650,000 | LOWER GROUND FLOOR SOUTH, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2021-03-16 | £2,600,000 | SOUTH GARAGE, NELL GWYNN HOUSE SLOANE AVENUE | Other |
| 2020-08-21 | £575,000 | FLAT 1, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2019-03-07 | £372,800 | FLAT 39, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2017-02-14 | £477,500 | FLAT 34, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2016-12-02 | £620,000 | FLAT 21, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2015-10-30 | £640,000 | FLAT 3, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2014-08-07 | £499,950 | FLAT 20, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-11-20 | £495,000 | FLAT 14, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-10-03 | £575,000 | FLAT 17, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2013-09-11 | £325,000 | FLAT 25, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2011-11-24 | £365,000 | FLAT 20, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2011-11-21 | £435,000 | FLAT 11, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2011-06-28 | £350,000 | FLAT 18, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2011-02-23 | £362,500 | FLAT 9, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-10-07 | £330,000 | FLAT 8, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2010-06-15 | £315,000 | FLAT 13, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2008-07-10 | £445,000 | FLAT 29, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2008-04-04 | £450,000 | FLAT 21, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-11-23 | £450,000 | FLAT 12, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-10-15 | £275,000 | FLAT 14, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-10-09 | £353,000 | FLAT 1, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-09-05 | £315,000 | FLAT 32, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-07-27 | £325,000 | FLAT 22, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2007-06-07 | £290,000 | FLAT 12, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-11-15 | £200,000 | FLAT 28, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-04-28 | £160,000 | FLAT 6, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-04-27 | £210,000 | FLAT 10, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-02-28 | £215,000 | FLAT 17, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2006-02-27 | £237,400 | FLAT 32, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2005-11-28 | £203,000 | FLAT 31, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2005-08-31 | £170,000 | FLAT 29, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-12-20 | £222,000 | FLAT 26, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-12 | £482,000 | FLAT 35, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-08 | £197,000 | FLAT 36, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-07-02 | £222,500 | FLAT 5, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-06-24 | £244,500 | FLAT 21, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-06-23 | £222,000 | FLAT 39, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-06-15 | £452,000 | FLAT 41, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-05-26 | £222,000 | FLAT 32, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-05-24 | £234,500 | FLAT 1, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-05-11 | £260,000 | FLAT 11, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-04-21 | £222,500 | FLAT 4, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-02-09 | £177,000 | FLAT 10, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2004-01-20 | £165,000 | FLAT 20, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2003-08-08 | £175,000 | FLAT 18, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-09-19 | £185,000 | FLAT 14, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-05-14 | £179,000 | FLAT 10, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-04-02 | £140,000 | FLAT 18, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-03-26 | £130,207 | FLAT 3, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-03-26 | £130,207 | FLAT 32, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-03-26 | £130,207 | FLAT 34, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2002-02-20 | £174,000 | FLAT 36, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-11-27 | £175,000 | FLAT 16, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-04-05 | £172,500 | FLAT 13, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-02-02 | £165,000 | FLAT 20, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2001-01-08 | £165,000 | FLAT 29, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2000-10-13 | £165,000 | FLAT 12, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2000-09-05 | £145,000 | FLAT 31, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 2000-05-16 | £140,000 | FLAT 38, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-09-10 | £110,000 | FLAT 27, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-09-03 | £125,000 | FLAT 10, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1999-08-11 | £236,000 | FLAT 23, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1998-09-30 | £115,000 | 4, NELL GWYNN HOUSE | Flat |
| 1998-09-18 | £131,000 | FLAT 28, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1998-04-30 | £135,000 | FLAT 22, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1998-02-27 | £105,000 | FLAT 6, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-05-09 | £135,000 | FLAT 18, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-05-09 | £118,000 | FLAT 13, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-04-15 | £114,000 | FLAT 30, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1997-01-28 | £90,000 | FLAT 13, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-10-15 | £93,000 | FLAT 12, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1996-05-24 | £78,000 | FLAT 38, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1995-12-13 | £75,000 | FLAT 30, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1995-09-27 | £80,000 | FLAT 22, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
| 1995-05-15 | £76,250 | 4, NELL GWYNN HOUSE | Flat |
| 1995-05-09 | £71,000 | FLAT 10, NELL GWYNN HOUSE SLOANE AVENUE | Flat |
84 recorded sales on SW3 3AU. 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 3AU 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 3AU |
|---|---|---|---|
| Average sold price | £2,457,607 | £1,435,555 | £305,328 |
| 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 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.