Flat 5, 1 Onslow Gardens, London, SW7 3LX
About Flat 5
Flat 5 is a property in London (SW7 3LX). It has council tax band F.
Across 2021–2022, sale prices on this property compounded at -25.7% per year. Last sale on file: £313,750 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Flat 5
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
Flat 5 has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at Flat 5
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Flat 5 changed hands twice within eighteen months — unusual for the area.
£313,750
Growth on file: -25.7% per year over 1 year.
Sales timeline
27 January 2022Most recent
£313,750
-25.7%over 8 months27 May 2021
£422,000
Median price across the last 5 sales in SW7 3LX: £1,500,000 (2021–2002).
Nearby sales in SW7 3LX
Flat 7, 1 Onslow Gardens, London, SW7 3LX
Sold Dec 2021
£1,500,000Flat 2, 1 Onslow Gardens, London, SW7 3LX
Sold Sept 2017
£12,000,000Flat 4, 1 Onslow Gardens, London, SW7 3LX
Sold Nov 2011
£900,000Flat 3, 4 Onslow Gardens, London, SW7 3LX
Sold Jul 2002
£395,000Flat 1, 1 Onslow Gardens, London, SW7 3LX
Sold Apr 2002
£1,500,000
Everything we know about Flat 5, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Onslow Gardens South Kensington — bus stop.
Closest school
0.3 km
Our Lady of Victories RC Primary School. 61 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
59.1dB

Night-time· 23:00 – 07:00
48.8dB