SW12 9NN
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Property report — SW12 9NN
Open-data due diligence for SW12 9NN and the area around it.
SW12 9NN in brief: 87 recorded sales (£31,500–£1,535,000) · no modelled flood risk · 6 schools nearby.
What scope is each figure? Sold sales, broadband and flood risk are for SW12 9NN itself. Where open data isn't published that finely (population, crime, schools), we show the SW12 9 sector — each figure below is tagged with its scope.
Avg sold price
£773,007
Population
20,243
Crimes recorded
56
Schools
1
Flood risk
None modelled
Gigabit broadband
90%
Sold-price trend (1995–2026)
Annual sold price in SW12 9, 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 (40 sales so far). Hover a point for both figures. Source: HM Land Registry Price Paid.
Sold prices on this postcode
| Date | Price | Address | Type |
|---|---|---|---|
| 2026-01-15 | £800,000 | 13 GASKARTH ROAD | Flat |
| 2024-07-05 | £510,000 | 89 GASKARTH ROAD | Flat |
| 2023-06-02 | £695,000 | FIRST FLOOR FLAT, 69 GASKARTH ROAD | Other |
| 2023-02-28 | £1,050,000 | 43 GASKARTH ROAD | Terraced |
| 2023-01-05 | £1,535,000 | 55 GASKARTH ROAD | Terraced |
| 2022-07-19 | £995,000 | 25 GASKARTH ROAD | Terraced |
| 2022-07-08 | £1,165,000 | 59 GASKARTH ROAD | Terraced |
| 2022-04-14 | £562,000 | 87 GASKARTH ROAD | Flat |
| 2021-11-26 | £1,000,000 | 41 GASKARTH ROAD | Terraced |
| 2021-06-04 | £1,271,284 | 19 GASKARTH ROAD | Terraced |
| 2021-03-19 | £770,000 | FLAT A, 3 GASKARTH ROAD | Flat |
| 2021-03-12 | £665,000 | FIRST FLOOR FLAT, 69 GASKARTH ROAD | Flat |
| 2020-12-08 | £1,059,000 | 1 GASKARTH ROAD | Semi-detached |
| 2020-09-29 | £1,310,000 | 27 GASKARTH ROAD | Terraced |
| 2019-12-03 | £1,234,567 | 37 GASKARTH ROAD | Terraced |
| 2019-11-15 | £975,000 | 73 GASKARTH ROAD | Terraced |
| 2019-09-06 | £1,185,000 | 9 GASKARTH ROAD | Terraced |
| 2018-10-12 | £900,000 | 53 GASKARTH ROAD | Terraced |
| 2018-10-09 | £745,000 | 67B GASKARTH ROAD | Flat |
| 2018-03-16 | £1,020,000 | 17 GASKARTH ROAD | Terraced |
| 2017-05-10 | £342,000 | 83 GASKARTH ROAD | Flat |
| 2017-02-17 | £1,430,000 | 47 GASKARTH ROAD | Terraced |
| 2016-11-23 | £725,000 | 29 GASKARTH ROAD | Flat |
| 2016-02-22 | £1,199,950 | 39 GASKARTH ROAD | Terraced |
| 2016-02-19 | £660,500 | 29A GASKARTH ROAD | Flat |
| 2015-12-10 | £1,315,000 | 19 GASKARTH ROAD | Terraced |
| 2015-09-09 | £1,255,000 | 57 GASKARTH ROAD | Terraced |
| 2013-08-19 | £295,000 | 77 GASKARTH ROAD | Flat |
| 2013-06-21 | £881,500 | 55 GASKARTH ROAD | Terraced |
| 2013-03-22 | £420,174 | 15A GASKARTH ROAD | Flat |
| 2012-11-30 | £870,700 | 21 GASKARTH ROAD | Terraced |
| 2012-09-14 | £515,000 | 13 GASKARTH ROAD | Flat |
| 2012-06-01 | £727,500 | 47 GASKARTH ROAD | Terraced |
| 2012-02-10 | £441,000 | 29 GASKARTH ROAD | Flat |
| 2011-07-08 | £815,000 | 9 GASKARTH ROAD | Terraced |
| 2011-01-11 | £671,000 | 37 GASKARTH ROAD | Terraced |
| 2010-10-14 | £250,000 | 93 GASKARTH ROAD | Flat |
| 2007-08-31 | £405,000 | LOWER FLAT, 65 GASKARTH ROAD | Flat |
| 2007-06-28 | £430,000 | 13 GASKARTH ROAD | Flat |
| 2007-04-27 | £635,500 | 57 GASKARTH ROAD | Flat |
| 2007-03-16 | £540,000 | 27 GASKARTH ROAD | Terraced |
| 2007-03-16 | £650,500 | 55 GASKARTH ROAD | Terraced |
| 2006-11-15 | £515,000 | 63 GASKARTH ROAD | Terraced |
| 2006-09-29 | £400,600 | 15B GASKARTH ROAD | Flat |
| 2006-09-22 | £405,500 | FLAT A, 3 GASKARTH ROAD | Flat |
| 2006-09-11 | £570,000 | 21 GASKARTH ROAD | Semi-detached |
| 2006-08-10 | £498,000 | 9 GASKARTH ROAD | Terraced |
| 2006-07-21 | £279,950 | 15A GASKARTH ROAD | Flat |
| 2006-03-31 | £569,000 | 19 GASKARTH ROAD | Terraced |
| 2005-12-16 | £285,000 | 29A GASKARTH ROAD | Flat |
| 2005-06-30 | £250,000 | 15B GASKARTH ROAD | Flat |
| 2004-06-24 | £250,000 | 15A GASKARTH ROAD | Flat |
| 2004-06-04 | £250,000 | THE GROUND FLOOR FLAT AT, 13 GASKARTH ROAD | Flat |
| 2003-08-19 | £250,000 | FLAT B, 3 GASKARTH ROAD | Flat |
| 2003-04-11 | £310,000 | FLAT A, 3 GASKARTH ROAD | Flat |
| 2003-02-03 | £360,000 | 73 GASKARTH ROAD | Terraced |
| 2002-11-29 | £210,000 | 91 GASKARTH ROAD | Flat |
| 2002-11-13 | £309,000 | 73 GASKARTH ROAD | Terraced |
| 2002-08-20 | £470,000 | 19 GASKARTH ROAD | Terraced |
| 2002-07-16 | £241,000 | THE GROUND FLOOR FLAT AT, 13 GASKARTH ROAD | Flat |
| 2002-04-11 | £178,000 | 69 GASKARTH ROAD | Terraced |
| 2001-07-12 | £199,000 | 15A GASKARTH ROAD | Flat |
| 2001-05-25 | £275,000 | FLAT A, 3 GASKARTH ROAD | Flat |
| 2001-05-01 | £233,300 | FIRST FLOOR FLAT, 69 GASKARTH ROAD | Flat |
| 2000-11-24 | £205,000 | LOWER FLAT, 65 GASKARTH ROAD | Flat |
| 2000-05-24 | £420,000 | 43 GASKARTH ROAD | Terraced |
| 2000-02-17 | £80,000 | 67B GASKARTH ROAD | Flat |
| 1999-12-23 | £75,000 | 83 GASKARTH ROAD | Flat |
| 1999-09-06 | £201,550 | 13 GASKARTH ROAD | Flat |
| 1999-07-16 | £257,000 | 59 GASKARTH ROAD | Terraced |
| 1999-04-23 | £129,500 | THE GROUND FLOOR FLAT AT, 13 GASKARTH ROAD | Flat |
| 1998-11-20 | £60,000 | 83 GASKARTH ROAD | Flat |
| 1998-11-06 | £170,000 | FLAT A, 3 GASKARTH ROAD | Flat |
| 1997-12-08 | £248,000 | 1 GASKARTH ROAD | Semi-detached |
| 1997-11-07 | £31,500 | 49 GASKARTH ROAD | Terraced |
| 1997-10-13 | £265,000 | 57 GASKARTH ROAD | Flat |
| 1997-09-12 | £78,000 | 15A GASKARTH ROAD | Flat |
| 1997-03-26 | £164,000 | 19 GASKARTH ROAD | Terraced |
| 1996-10-15 | £108,000 | FLAT B, 3 GASKARTH ROAD | Flat |
| 1996-08-30 | £104,000 | 13 GASKARTH ROAD | Flat |
| 1996-08-30 | £171,000 | 43 GASKARTH ROAD | Terraced |
| 1996-08-01 | £155,000 | 63 GASKARTH ROAD | Terraced |
| 1996-05-24 | £150,000 | 21 GASKARTH ROAD | Semi-detached |
| 1996-04-29 | £52,000 | 91 GASKARTH ROAD | Flat |
| 1996-03-01 | £71,000 | 69 GASKARTH ROAD | Terraced |
| 1995-06-30 | £89,000 | 29A GASKARTH ROAD | Flat |
| 1995-05-10 | £74,000 | FIRST FLOOR FLAT, 69 GASKARTH ROAD | Flat |
87 recorded sales on SW12 9NN. Source: HM Land Registry Price Paid (© Crown copyright). Shown for this postcode only.
Nearest schools
| School | Distance | Phase | Ofsted |
|---|---|---|---|
| Alderbrook Primary School | 0.3 mi | Primary | Good (2024) |
| La Retraite Roman Catholic Girls' School | 0.3 mi | Secondary | Outstanding (2023) |
| Bonneville Primary School | 0.3 mi | Primary | Outstanding (2024) |
| The Elms Academy | 0.5 mi | Secondary | Good (2020) |
| Henry Cavendish Primary School | 0.5 mi | Primary | Outstanding (2024) |
| Holy Ghost Catholic Primary School | 0.6 mi | Primary | 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: THURLEIGH ROAD PRACTICE (0.4 mi) · CLAPHAM PARK GROUP PRACTICE (0.5 mi) · NIGHTINGALE PRACTICE (0.6 mi)
Nearest hospitals: OLD HOSPITAL CLOSE (1.0 mi) · THE LAMBETH HOSPITAL (1.4 mi) · ROSA PARKS WARD-LAMBETH HOSPITAL (1.4 mi)
Nearest listed buildings: CLAPHAM SOUTH DEEP TUBE SHELTER AND SURFACE BUILDING AT WANDSWORTH ENTRANCE (Grade II) (0.1 mi) · CLAPHAM SOUTH STATION (INCLUDING ABOVE GROUND STATION BUILDING AND SUB SURFACE PLATFORMS AND PASSAGES) (Grade II) (0.1 mi) · CLAPHAM SOUTH DEEP TUBE SHELTER AND SURFACE BUILDING AT LAMBETH ENTRANCE (Grade II) (0.2 mi)
Nearest pharmacies: W J BOYES PHARMACY (0.1 mi) · PHILLIPS PHARMACY (0.5 mi) · PHARMALITE PHARMACY (0.5 mi)
Nearest stations: Clapham South (0.1 mi) · Balham (0.6 mi) · Clapham Common (0.8 mi)
Nearest supermarkets: M&S Simply Food (0.1 mi) · Tesco (0.1 mi) · Co-op Food (0.2 mi)
Straight-line distance from the postcode. Source: NaPTAN (DfT).
Who lives here
- Median age
- 32
- One-person households
- 32%
- Households with children
- 17%
- Households
- 9,261
Owned 42% · Social rent 13% · Private rent 44%
Census 2021 (ONS), for SW12 9.
Recorded crime trend
Recorded crimes per month in SW12 9 (Aug 24–Apr 26, average 52/month). Hover a point to read the count. Source: Police.uk street-level data.
Flood risk
No modelled flood risk is recorded for SW12 9NN 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 | DistrictSW12 | SectorSW12 9 | PostcodeSW12 9NN |
|---|---|---|---|
| Average sold price | £869,287 | £773,007 | £524,012 |
| Population | 48,196 | 20,243 | — |
| Deprivation decile (1 = most deprived) | 8/10 | 7/10 | — |
| Crimes recorded | 250 | 56 | — |
| Schools | 15 | 1 | — |
| Flood risk | Low | Low | Low |
| Gigabit broadband | 93% | 90% | 83% |
| Superfast broadband | 100% | 100% | 100% |
— = no separate figure is published at that level. Most open data is published down to the sector (SW12 9); 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.