Flat 10, 42
Flat 10, 42
Description & Estimates







Public records show Flat 10, 42, Onslow Gardens to be a period leasehold apartment with 1,184 ft2 of internal area.
In this area, apartments of this size normally have 3 bedrooms.
Flat 10, 42, Onslow Gardens has an estimated sale value of £1,891,341 and an estimated rental value of £6,682 per month, assuming reasonable condition and based on the information available.
The apartment sits within 42, Onslow Gardens, London, SW7.
Onslow Gardens, London, SW7 lies in the borough of Kensington and Chelsea, within the SW7 postal district.
Our Data Sources
Flat 10, 42, Onslow Gardens has 41 entries in the Land Registry , most recently in July 2021 and a single entry in the EPC database dated July 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 10, 42, Onslow Gardens would be worth £1,985,908, with a potential rental value of £7,016 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,758,947, with a rental value of £6,214 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of Flat 10, 42, Onslow Gardens has dropped by £4,021 (0.2%) over the last year. During the same period, its estimated monthly rental value has risen by £352 (5.3%). The property's estimated gross yield is currently 4.2%.
Energy Efficiency
Flat 10, 42, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Jul 2021.
The property is connected to mains gas and has mostly secondary glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 10, 42, Onslow Gardens last changed hands on 29th July 2021, selling for £2,650,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has dropped by 30.3% since July 2021.
- Sold Jul 2021£2,650,000
- Sold Jan 2018£2,300,000
- Sold Apr 2001£845,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 240 metres of Flat 10, 42, Onslow Gardens across the last 2 years.
Most recently, Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat, sold at £1,850,000 on the 6th March 2026.
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
Our analysis of the public data ranks Flat 10, 42, Onslow Gardens as the 172nd largest and the 194th most expensive of the 504 addresses on Onslow Gardens, London, SW7.
Against the SW7 postcode district average, it is £220k less expensive than the typical property.
More reading links
Schools Nearby
- 200mOur Lady of Victories RC Primary School
- 500mOratory Roman Catholic Primary School
- 600mBousfield Primary School
- 1.1kmSt. Thomas More Language College
- 1.6kmThe London Oratory School
- 1.6kmChelsea Academy
More reading links
Public Transport Nearby
South Kensington station is the nearest stop to Flat 10, 42, Onslow Gardens at 400 metres away.
- 400mSouth Kensington
- 500mGloucester Road
- 1.1kmEarl's Court
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.

