Our Data Sources
21, Clapham Common West Side has 21 entries in the Land Registry, most recently in March 2018 and a single entry in the EPC database dated April 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Clapham Common West Side, we estimate a market value of £10,947,456 and a rental value of £44,718 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £9,696,318 and £39,607 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Clapham Common West Side as measuring 856 m2.
That makes it the largest plot in the postcode, where all 9 other houses have recorded plot data.
Energy Efficiency
21, Clapham Common West Side has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Apr 2022.
The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas, boiler and radiators, mains gas).
Sold Prices
The most recent sale of 21, Clapham Common West Side completed on 20th March 2018 at £9,250,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 9.9% over the period since March 2018.
- Sold Mar 2018£9,250,000
- Sold Jul 2000£2,900,000
Properties Sold Nearby
Since 2007 936 properties have sold within 410 metres of 21, Clapham Common West Side, per the Land Registry and our network of Estate Agents.
The latest, on the 24th November 2025, was 4, Sumburgh Road, London, SW12 8AL, a freehold house which sold for £1,650,000.
Read more about house prices in SW4.
- Sold Nov 2025£1,650,000 | 4 Bed House4, Sumburgh Road, London, SW12 8AL4, Sumburgh Road, London, SW12 8AL
- Sold Aug 2025£1,400,000 | 3 Bed FlatFlat 7, 23, Clapham Common West Side, London, SW4 9ANFlat 7, 23, Clapham Common West Side, London, SW4 9AN
- Sold Aug 2025£1,880,000 | 4 Bed House6, Sumburgh Road, London, SW12 8AL6, Sumburgh Road, London, SW12 8AL
- Sold Jul 2025£1,475,000 | 3 Bed House14, Sumburgh Road, London, SW12 8AL14, Sumburgh Road, London, SW12 8AL
- Sold Nov 2024£2,150,000 | 5 Bed House6, Walsingham Place, London, SW4 9RR6, Walsingham Place, London, SW4 9RR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £2,270,673, ranging from £1,162,313 to £3,766,150.
- Flat 3, 23 Clapham Common West Side
3 Bed Flat | 18 m | Est. Value: £1,308,421
- Flat 7, 23 Clapham Common West Side
3 Bed Flat | 18 m | Est. Value: £1,162,313
- 24 Clapham Common West Side
3 Bed Flat | 23 m | Est. Value: £1,205,567
- 20 Clapham Common West Side
6 Bed House | 23 m | Est. Value: £3,766,150
- 19 Clapham Common West Side
5 Bed House | 31 m | Est. Value: £2,677,836
Location Comparison
Of the 158 addresses on Clapham Common West Side, London, SW4, 21, Clapham Common West Side comes out as the 3rd largest and the most expensive in our analysis of the public data.
It is also £9.704m more expensive than the average property across the SW4 district.
More reading links
Schools Nearby
- Alderbrook Primary School700 m away
- Honeywell Junior School700 m away
- Honeywell Infant School700 m away
- The Elms Academy900 m away
- La Retraite Roman Catholic Girls' School1.0 km away
- Ark Bolingbroke Academy1.1 km away
More reading links
Public Transport Nearby
- Clapham South|400 m away
- Wandsworth Common|1.2 km away
- Balham|1.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





