Flat 11, 4 Onslow Gardens, London, SW7 3LX
About Flat 11
Flat 11 is a mid-terrace house in London (SW7 3LX). It has a recorded floor area of 91 m² (around 980 sq ft) and construction records dating it to 1900-1929. At 91 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 62–142 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 51). The latest certificate (September 2020) shows a C (score 71). The recommended improvements would push it to B (score 82).
At 91 m² it sits well below the postcode median (142 m² across 11 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2008.
Know exactly what you're buying at Flat 11
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
EPC Rating
Planning history
- Jun 2008RenovationHeritageIn report
Internal refurbishment and re-arrangement of second floor flat.
- Council
- Thurloe and Smith's Charity
- Documents
- 18 docs on file
- Reference
- LB/08/01104
We flagged 2 things worth checking at Flat 11
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 11 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,531,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SW7 3LX: £900,000 (2022–2011).
Nearby sales in SW7 3LX
Flat 5, 1 Onslow Gardens, London, SW7 3LX
Sold Jan 2022
£313,750Flat 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
£395,000
Everything we know about Flat 11, 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
Versus other Onslow Gardens homes
On co₂ emissions, Flat 11 stands well clear of the street.
EPC Rating
71 (C)
Street avg 65 (D)
Floor Area
91 m²
Street avg 148 m²
CO₂ Emissions
2.8 t/year
Street avg 5.2 t/year
Habitable Rooms
3 rooms
Street avg 5 rooms
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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