8A, Onslow Gardens
8A, Onslow Gardens
Description & Estimates







8A, Onslow Gardens is described in the public record as a period apartment with 1,528 ft2 of internal area.
Locally, apartments of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 8A, Onslow Gardens is £2,752,422 and its rental estimate is £7,313 per month, given the available information and assuming reasonable condition.
8, Onslow Gardens is a residential building on Onslow Gardens, London, SW7 and falls within the SW7 postal district and the London Borough of Kensington and Chelsea.
Our Data Sources
8A, Onslow Gardens has no records in the the Land Registry and a single entry in the EPC database dated April 2026.
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 8A, Onslow Gardens, we estimate a market value of £2,890,043 and a rental value of £7,678 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,559,752 and £6,801 per month respectively.
Recent Market Change
Over the last year, 8A, Onslow Gardens has seen its estimated sale value move down by £19,000 (0.7%) and its estimated rental value increase by £355 per month (4.9%). This results in an estimated gross rental yield of 3.2%.
Energy Efficiency
8A, Onslow Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Apr 2026.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 8A, Onslow Gardens have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 15th August 2025, was Flat 10, 81, Onslow Square, London, SW7 3LT, a leasehold flat which sold for £2,500,000.
Read more about house prices in SW7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 504 addresses on Onslow Gardens, London, SW7, 8A, Onslow Gardens comes out as the 85th largest and the 90th most expensive in our analysis of the public data.
It is also £641k more expensive than the average property across the SW7 district.
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Schools Nearby
- 300mOur Lady of Victories RC Primary School
- 400mOratory Roman Catholic Primary School
- 700mBousfield Primary School
- 1.0kmSt. Thomas More Language College
- 1.5kmChelsea Academy
- 1.6kmThe London Oratory School
More reading links
Public Transport Nearby
From 8A, Onslow Gardens, the nearest station is South Kensington, 400 metres away.
- 400mSouth Kensington
- 600mGloucester Road
- 1.2kmEarl's Court
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.

