Our Data Sources
21, Radnor Walk has 41 entries in the Land Registry , most recently in April 2018 and a single entry in the EPC database dated March 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, Radnor Walk would be worth £3,444,889, with a potential rental value of £13,115 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £3,051,187, with a rental value of £11,616 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Radnor Walk occupies a 79 m2 plot as recorded by HM Land Registry.
Of the 20 other houses in this postcode, 13 have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
21, Radnor Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Mar 2018.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
21, Radnor Walk last changed hands on 25th April 2018, selling for £3,200,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has dropped by 1.6% since April 2018.
- Sold Apr 2018£3,200,000
- Sold Oct 2011£2,550,000
- Sold Jul 2005£1,265,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 83 sales of comparable properties within 270 metres of 21, Radnor Walk across the last 2 years.
Most recently, 22, Markham Street, London, SW3 3NP, a freehold house, sold at £3,495,000 on the 2nd December 2025.
Read more about house prices in SW3.
- Sold Dec 2025£3,495,000 | 4 Bed House22, Markham Street, London, SW3 3NP22, Markham Street, London, SW3 3NP
- Sold Feb 2025£3,000,000 | 3 Bed House22, Radnor Walk, London, SW3 4BN22, Radnor Walk, London, SW3 4BN
- Sold Oct 2024£3,570,000 | 4 Bed House56, Markham Street, London, SW3 3NR56, Markham Street, London, SW3 3NR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 21, Radnor Walk as the 37th largest and the 40th most expensive of the 81 addresses on Radnor Walk, London, SW3.
Against the SW3 postcode district average, it is £1.202m more expensive than the typical property.
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Schools Nearby
- Christ Church CofE Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Marlborough Primary School500 m away
- St. Thomas More Language College600 m away
- Saint John Bosco College1.6 km away
- Chelsea Academy1.7 km away
More reading links
Public Transport Nearby
- Sloane Square|800 m away
- South Kensington|900 m away
- Knightsbridge|1.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
