Our Data Sources
Flat 2, 20, Sumner Place has no records in the Land Registry and a single entry in the EPC database dated March 2020.
We combine this information with public data 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.
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 Flat 2, 20, Sumner Place, we estimate a market value of £1,421,020 and a rental value of £4,192 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £1,258,618 and £3,713 per month respectively.
Energy Efficiency
Flat 2, 20, Sumner Place has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Mar 2020.
The property is connected to mains gas and has some secondary glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2007 13 properties similar to Flat 2, 20, Sumner Place have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th November 2025, was 11, Rose Square, London, SW3 6RS, a leasehold flat which sold for £1,280,000.
Read more about house prices in SW7.
- Sold Nov 2025£1,280,000 | 2 Bed Flat11, Rose Square, London, SW3 6RS11, Rose Square, London, SW3 6RS
- Sold Sep 2023£1,500,000 | 2 Bed FlatFlat I, 46, Onslow Gardens, London, SW7 3PYFlat I, 46, Onslow Gardens, London, SW7 3PY
- Sold May 2023£2,800,000 | 2 Bed FlatFlat 3, 23, Onslow Square, London, SW7 3NJFlat 3, 23, Onslow Square, London, SW7 3NJ
- Sold Sep 2022£718,000 | 2 Bed Flat61A, Onslow Square, London, SW7 3LS61A, Onslow Square, London, SW7 3LS
- Sold May 2022£850,000 | 1 Bed FlatFlat 3, 11A , Cranley Place, London, SW7 3AEFlat 3, 11A , Cranley Place, London, SW7 3AE
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £2,331,439, ranging from £1,202,854 to £5,332,070.
- Flat 1, 20 Sumner Place
3 Bed Flat | 0 m | Est. Value: £3,056,799
- Flat 3, 20 Sumner Place
2 Bed Flat | 0 m | Est. Value: £1,449,915
- Flat 4, 20 Sumner Place
2 Bed Flat | 0 m | Est. Value: £1,305,146
- 21 Sumner Place
6 Bed House | 8 m | Est. Value: £5,135,562
- Flat 4, 19 Sumner Place
2 Bed Flat | 9 m | Est. Value: £1,329,242
Location Comparison
Of the 45 addresses on Sumner Place, London, SW7, Flat 2, 20, Sumner Place comes out as the 33rd largest and the 31st most expensive in our analysis of the public data.
It is also £709k less expensive than the average property across the SW7 district.
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Schools Nearby
- Our Lady of Victories RC Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Marlborough Primary School600 m away
- St. Thomas More Language College900 m away
- Chelsea Academy1.7 km away
- The London Oratory School1.8 km away
More reading links
Public Transport Nearby
- South Kensington|200 m away
- Gloucester Road|500 m away
- Knightsbridge|1.2 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












