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Postcode · SW3 3AY

SW3 3AY

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Property report — SW3 3AY

Open-data due diligence for SW3 3AY and the area around it.

SW3 3AY in brief: 48 recorded sales (£75,000–£690,000) · no modelled flood risk · 6 schools nearby.

What scope is each figure? Sold sales, broadband and flood risk are for SW3 3AY 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

sector SW3 3 · 83 sales

Population

10,696

sector SW3 3

Crimes recorded

52

sector SW3 3 · Apr 26

Schools

1

sector SW3 3

Flood risk

None modelled

this postcode

Gigabit broadband

99%

sector SW3 3 of premises

Sold-price trend (1995–2026)

1995: mean £190,181, median £101,125 (164 sales)1996: mean £193,082, median £108,000 (185 sales)1997: mean £253,751, median £142,500 (207 sales)1998: mean £223,180, median £129,000 (192 sales)1999: mean £298,232, median £180,000 (166 sales)2000: mean £365,864, median £205,000 (193 sales)2001: mean £336,720, median £187,000 (172 sales)2002: mean £354,332, median £225,000 (248 sales)2003: mean £324,179, median £230,000 (180 sales)2004: mean £412,834, median £248,000 (236 sales)2005: mean £497,618, median £285,000 (151 sales)2006: mean £519,704, median £275,000 (186 sales)2007: mean £671,403, median £355,000 (177 sales)2008: mean £672,905, median £400,000 (75 sales)2009: mean £797,288, median £442,500 (114 sales)2010: mean £818,262, median £405,000 (97 sales)2011: mean £869,869, median £442,500 (80 sales)2012: mean £981,178, median £460,000 (85 sales)2013: mean £1,022,690, median £570,000 (113 sales)2014: mean £1,476,414, median £725,000 (113 sales)2015: mean £1,762,303, median £643,750 (108 sales)2016: mean £1,331,937, median £693,338 (86 sales)2017: mean £1,202,955, median £975,000 (70 sales)2018: mean £1,327,684, median £502,500 (70 sales)2019: mean £1,196,116, median £595,000 (72 sales)2020: mean £1,618,138, median £975,000 (78 sales)2021: mean £1,913,449, median £683,750 (102 sales)2022: mean £3,221,738, median £860,000 (113 sales)2023: mean £1,364,417, median £634,000 (82 sales)2024: mean £1,435,555, median £686,000 (83 sales)2025: mean £1,224,077, median £805,550 (85 sales)2026: mean £869,333, median £540,000 (15 sales)1995: mean £190,181, median £101,125 (164 sales)1996: mean £193,082, median £108,000 (185 sales)1997: mean £253,751, median £142,500 (207 sales)1998: mean £223,180, median £129,000 (192 sales)1999: mean £298,232, median £180,000 (166 sales)2000: mean £365,864, median £205,000 (193 sales)2001: mean £336,720, median £187,000 (172 sales)2002: mean £354,332, median £225,000 (248 sales)2003: mean £324,179, median £230,000 (180 sales)2004: mean £412,834, median £248,000 (236 sales)2005: mean £497,618, median £285,000 (151 sales)2006: mean £519,704, median £275,000 (186 sales)2007: mean £671,403, median £355,000 (177 sales)2008: mean £672,905, median £400,000 (75 sales)2009: mean £797,288, median £442,500 (114 sales)2010: mean £818,262, median £405,000 (97 sales)2011: mean £869,869, median £442,500 (80 sales)2012: mean £981,178, median £460,000 (85 sales)2013: mean £1,022,690, median £570,000 (113 sales)2014: mean £1,476,414, median £725,000 (113 sales)2015: mean £1,762,303, median £643,750 (108 sales)2016: mean £1,331,937, median £693,338 (86 sales)2017: mean £1,202,955, median £975,000 (70 sales)2018: mean £1,327,684, median £502,500 (70 sales)2019: mean £1,196,116, median £595,000 (72 sales)2020: mean £1,618,138, median £975,000 (78 sales)2021: mean £1,913,449, median £683,750 (102 sales)2022: mean £3,221,738, median £860,000 (113 sales)2023: mean £1,364,417, median £634,000 (82 sales)2024: mean £1,435,555, median £686,000 (83 sales)2025: mean £1,224,077, median £805,550 (85 sales)2026: mean £869,333, median £540,000 (15 sales) MeanMedian £3,221,738 £101,125 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

DatePriceAddressType
2026-02-16£540,000FLAT 117, NELL GWYNN HOUSE SLOANE AVENUEFlat
2025-10-31£499,000FLAT 105, NELL GWYNN HOUSE SLOANE AVENUEFlat
2023-05-05£537,700FLAT 118, NELL GWYNN HOUSE SLOANE AVENUEFlat
2021-06-29£690,000FLAT 114, NELL GWYNN HOUSE SLOANE AVENUEFlat
2020-01-17£660,000FLAT 101, NELL GWYNN HOUSE SLOANE AVENUEFlat
2019-12-04£575,000FLAT 104, NELL GWYNN HOUSE SLOANE AVENUEFlat
2015-06-19£627,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
2014-04-16£530,000FLAT 122, NELL GWYNN HOUSE SLOANE AVENUEFlat
2014-04-16£530,000FLAT 122, NELL GWYNN HOUSE SLOANE AVENUEFlat
2014-03-20£151,254FLAT 108, NELL GWYNN HOUSE SLOANE AVENUEFlat
2013-12-16£495,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
2011-07-15£325,000FLAT 101, NELL GWYNN HOUSE SLOANE AVENUEFlat
2011-04-27£328,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
2009-12-04£412,000FLAT 120, NELL GWYNN HOUSE SLOANE AVENUEFlat
2009-08-14£282,000FLAT 121, NELL GWYNN HOUSE SLOANE AVENUEFlat
2007-11-15£415,000FLAT 114, NELL GWYNN HOUSE SLOANE AVENUEFlat
2007-09-28£350,000FLAT 113, NELL GWYNN HOUSE SLOANE AVENUEFlat
2007-09-28£187,000FLAT 116, NELL GWYNN HOUSE SLOANE AVENUEFlat
2006-06-09£225,000FLAT 101, NELL GWYNN HOUSE SLOANE AVENUEFlat
2005-08-26£189,500FLAT 122, NELL GWYNN HOUSE SLOANE AVENUEFlat
2005-06-24£236,000FLAT 107, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-11-19£250,000FLAT 119, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-10-07£287,000FLAT 117, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-06-04£190,000FLAT 101, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-05-04£265,000FLAT 114, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-05-04£250,000FLAT 105, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-04-30£210,000FLAT 111, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-04-28£176,500FLAT 104, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-04-02£233,000FLAT 103, NELL GWYNN HOUSE SLOANE AVENUEFlat
2004-03-25£229,500FLAT 112, NELL GWYNN HOUSE SLOANE AVENUEFlat
2003-12-19£230,000FLAT 102, NELL GWYNN HOUSE SLOANE AVENUEFlat
2003-11-28£100,000FLAT 120, NELL GWYNN HOUSE SLOANE AVENUEFlat
2003-09-12£224,000FLAT 113, NELL GWYNN HOUSE SLOANE AVENUEFlat
2002-11-14£199,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
2002-05-21£245,000FLAT 119, NELL GWYNN HOUSE SLOANE AVENUEFlat
2002-05-15£195,000FLAT 115, NELL GWYNN HOUSE SLOANE AVENUEFlat
2001-09-07£183,000FLAT 113, NELL GWYNN HOUSE SLOANE AVENUEFlat
2001-07-20£176,500FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
2001-07-20£178,000FLAT 116, NELL GWYNN HOUSE SLOANE AVENUEFlat
2001-01-22£179,500FLAT 119, NELL GWYNN HOUSE SLOANE AVENUEFlat
2000-02-10£145,000FLAT 106, NELL GWYNN HOUSE SLOANE AVENUEFlat
1999-12-17£160,000FLAT 113, NELL GWYNN HOUSE SLOANE AVENUEFlat
1998-10-14£130,000FLAT 108, NELL GWYNN HOUSE SLOANE AVENUEFlat
1998-04-15£120,000FLAT 104, NELL GWYNN HOUSE SLOANE AVENUEFlat
1998-03-09£140,000FLAT 115, NELL GWYNN HOUSE SLOANE AVENUEFlat
1998-01-16£113,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat
1996-04-18£75,000FLAT 106, NELL GWYNN HOUSE SLOANE AVENUEFlat
1995-02-01£75,000FLAT 109, NELL GWYNN HOUSE SLOANE AVENUEFlat

48 recorded sales on SW3 3AY. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.

Nearest schools

SchoolDistancePhaseOfsted
Marlborough Primary School0.1 miPrimaryReport card →
St Joseph's Catholic Primary School0.1 miPrimaryOutstanding (2024)
St. Thomas More Language College0.1 miSecondaryGood (2022)
Oratory Roman Catholic Primary School0.3 miPrimaryOutstanding (2023)
Holy Trinity CofE Primary School0.4 miPrimaryReport card →
Christ Church CofE Primary School0.5 miPrimaryOutstanding (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

Aug 24: 52 crimesSep 24: 75 crimesOct 24: 58 crimesNov 24: 75 crimesDec 24: 56 crimesJan 25: 61 crimesFeb 25: 68 crimesMar 25: 57 crimesApr 25: 81 crimesMay 25: 68 crimesJun 25: 89 crimesJul 25: 75 crimesAug 25: 67 crimesSep 25: 71 crimesOct 25: 60 crimesNov 25: 78 crimesDec 25: 64 crimesJan 26: 76 crimesFeb 26: 56 crimesMar 26: 65 crimesApr 26: 52 crimes Apr 26: 52 crimes 89 52 Aug 24 Apr 26

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 3AY 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 3AY
Average sold price£2,457,607£1,435,555£286,322
Population36,06410,696—
Deprivation decile (1 = most deprived)6/105/10—
Crimes recorded47252—
Schools101—
Flood riskHighLowLow
Gigabit broadband93%99%100%
Superfast broadband99%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.

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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.