Flat 2, 86 Onslow Gardens, London, SW7 3BS
About Flat 2
Flat 2 is a one-bedroom mid-terrace house in London (SW7 3BS). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to before 1900 and council tax band E. At 74 m² this is the largest unit on EPC record across the building (38–74 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2021) shows a C (score 71). The rating has held steady at C across 2 certificates since July 2011. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Poor to Very Poor.
Across 2004–2019, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£1,168/sq ft) was about 49.7% above the typical sold price in the postcode. Sold June 2019 for £930,000. One historical planning record sits against the property in 2004.
Know exactly what you're buying at Flat 2
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Dining roomYes
- CloakroomYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
- Jun 2004RenovationHeritageIn report
Installation of collapsible steel security gates to the inside of three windows (forming the bay window) at rear basement level backing onto private grounds.
- Council
- Thurloe and Smith's Charity
- Reference
- LB/04/00853
We flagged 2 things worth checking at Flat 2
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 2 valuation sits well clear of the typical sold price in this postcode.
£981,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 15 years.
£930,000
Growth on file: 4.7% per year over 15 years.
Sales timeline
2 June 2019Most recent
£930,000
+95.8%over 14 years20 September 2004
£475,000
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 2, 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
Price per m²
£12,568
Street avg £16,252
Floor Area
74 m²
Street avg 84 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 3.0 t/year
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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