Flat 2, 88 Onslow Gardens, London, SW7 3BS
About Flat 2
Flat 2 is a mid-terrace house in London (SW7 3BS). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to before 1900 and council tax band F. At 56 m² this is the smallest unit on EPC record across the building (56–224 m²). The building's EPC ratings span E to C across 5 units on file. The latest certificate (May 2019) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2008); the latest reading is one band lower. Between certificates, hot-water efficiency went from Average to Good. The recommended improvements would push it to C (score 75).
Across 1997–2020, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £1,416,000 is 29.2% below the 2020 sale of £2,000,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£3,318/sq ft) was about 365.8% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. The record references listed-building consent, which constrain future alterations. Last sale on file: £2,000,000 in August 2020. Across the public record there are 4 sales, relatively high churn for a single property. At 56 m² it's 16% smaller than the typical home in the postcode (67 m² median across 26 EPCs).
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Planning history
Flat 2 has multiple listed-building consents on file — alterations need formal heritage approval.
- Mar 2023ConditionsIn report
Details required by Conditions 3b and 3c (Submission of details) of planning permission 22/05255 (Refurbishment of first floor flat including: raising of modern suspended ceilings, installation of cornice in hallway, replacement of non-original floor coverings with timber herringbone parquet flooring and tiles, installation of under floor heating; replacement of modern metal grid walkway over rear lightwell with decorative pierced metal walkway; replacement of non-original doors, modern fitted furniture and replacement fire surround)
- Council
- Thurloe and Smith's Charity
- Documents
- 11 docs on file
- Reference
- CON/23/00531
- Mar 2023ConditionsIn report
Details required by Conditions 3f and 3g (Submission of details) of listed building consent 22/05256 (Refurbishment of first floor flat including: raising of modern suspended ceilings, installation of cornice in hallway, replacement of non-original floor coverings with timber herringbone parquet flooring and tiles, installation of under floor heating; replacement of modern metal grid walkway over rear lightwell with decorative pierced metal walkway; replacement of non-original doors, modern fitted furniture and replacement fire surround)
- Council
- Thurloe and Smith's Charity
Listed- Documents
- 13 docs on file
- Reference
- CON/23/00530
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
30-day money-back guarantee
Sales history & valuation
Price for Flat 2 has grown more than fourfold since the 1997 starting point.
£1,416,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 23 years.
£2,000,000
Growth on file: 6.5% per year over 23 years.
Sales timeline
26 August 2020Most recent
£2,000,000
+194.1%over 16 years1 July 2004
£680,000
+3.8%over 3 years17 August 2000
£655,000
+39.4%over 2 years9 October 1997
£470,000
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, 86 Onslow Gardens, London, SW7 3BS
Sold Jun 2019
£930,000
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 for Flat 2 runs comfortably ahead of the street norm.
Price per m²
£35,714
Street avg £15,033
Floor Area
56 m²
Street avg 85 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.1 t/year
Similar properties nearby
21 23, Flat 12, Cranley Gardens
SW7 3BD
1a, Flat 1, Cranley Gardens
SW7 3BB
1a, Flat 2, Cranley Gardens
SW7 3BB
21 23, Flat 1, Cranley Gardens
SW7 3BD
1a, Flat 3, Cranley Gardens
SW7 3BB
11a, Flat 6, Cranley Place
SW7 3AE
11a, Flat 1a, Cranley Place
SW7 3AE
13a, Flat 2, Cranley Gardens
SW7 3BB
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