Flat 7, 86 Onslow Gardens, London, SW7 3BS
About Flat 7
Flat 7 is a mid-terrace house in London (SW7 3BS). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to before 1900 and council tax band G. At 63 m² this is the 4th smallest of 6 units on EPC record in the building, where floor areas span 38–74 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (September 2018) shows a C (score 74). The recommended improvements would push it to B (score 83).
Today's modelled estimate of £1,256,000 is 23.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£1,504/sq ft) was about 92.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Sold November 2018 for £1,020,000.
Know exactly what you're buying at Flat 7
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
- Aug 2019RenovationFullIn report
Internal alterations to flat at third floor level.
- Council
- Thurloe and Smith's Charity
- Documents
- 9 docs on file
- Reference
- PP/19/04219
- Aug 2019RenovationHeritageIn report
Internal alterations to flat at third floor level.
- Council
- Thurloe and Smith's Charity
- Documents
- 4 docs on file
- Reference
- LB/19/04220
We flagged 2 things worth checking at Flat 7
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 7 valuation sits well clear of the typical sold price in this postcode.
£1,256,000
Modelled from EPC, postcode comparables.
£1,020,000
Recorded with HM Land Registry.
Sales timeline
28 November 2018Most recent
£1,020,000
Median price across the last 5 sales in SW7 3BS: £935,000 (2024–2020).
Nearby sales in SW7 3BS
Flat 5, 88 Onslow Gardens, London, SW7 3BS
Sold Apr 2024
£1,030,00088 Onslow Gardens, Kensington And Chelsea, London, SW7 3BS
Sold Aug 2023
£75,524Flat 1, 90 Onslow Gardens, London, SW7 3BS
Sold Jan 2021
£590,000Flat 1, 88 Onslow Gardens, London, SW7 3BS
Sold Sept 2020
£4,550,000Flat 2, 88 Onslow Gardens, London, SW7 3BS
Sold Aug 2020
£2,000,000
Everything we know about Flat 7, 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
Flat 7 outperforms the street on habitable rooms by a wide margin.
Price per m²
£16,190
Street avg £16,061
Floor Area
63 m²
Street avg 85 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.1 t/year
Similar properties nearby
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13a, Flat 2, Cranley Gardens
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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. 60 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
58.0dB
Night-time· 23:00 – 07:00
47.6dB