Flat 5, 88 Onslow Gardens, London, SW7 3BS
About Flat 5
Flat 5 is a one-bedroom mid-terrace house in London (SW7 3BS). It has a recorded floor area of 68 m² (around 732 sq ft) and construction records dating it to before 1900. At 68 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 56–224 m². The building's EPC ratings span E to C across 5 units on file. The latest certificate (February 2016) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). The latest certificate is from February 2016, so improvements made since then won't be reflected.
Across 1995–2024, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£1,407/sq ft) was about 80.4% above the typical sold price in the postcode. 4 planning records sit against the property, 0 approved, 4 refused. Most recent transfer: April 2024 at £1,030,000.
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Feb 2026
EPC Rating
Planning history
A recent planning application at Flat 5 was refused — worth checking the council file.
- Nov 2023RenovationFullIn report
Formation of roof terrace and internal alterations at 4th floor level
- Council
- Thurloe and Smith's Charity
- Documents
- 17 docs on file
- Reference
- PP/23/05115
- Nov 2023RenovationHeritageIn report
Formation of roof terrace and internal alterations at 4th floor level
- Council
- Thurloe and Smith's Charity
- Documents
- 8 docs on file
- Reference
- LB/23/05116
We flagged 3 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
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
Flat 5 has more than quadrupled in price since its earliest registered sale in 1995.
£1,085,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 28 years.
£1,030,000
Growth on file: 7.0% per year over 28 years.
Sales timeline
4 April 2024Most recent
£1,030,000
+10.2%over 3 years18 October 2020
£935,000
+141.3%over 16 years27 July 2004
£387,500
+154.9%over 8 years19 October 1995
£152,000
Median price across the last 5 sales in SW7 3BS: £930,000 (2023–2019).
Nearby sales in SW7 3BS
88 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
£2,000,000Flat 2, 86 Onslow Gardens, London, SW7 3BS
Sold Jun 2019
£930,000
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
- A planning decision worth checking
Versus other Onslow Gardens homes
Flat 5 is notably below the street on years held.
Price per m²
£15,147
Street avg £16,116
Floor Area
68 m²
Street avg 84 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.0 t/year
Similar properties nearby
1a, Flat 3, Cranley Gardens
SW7 3BB
1a, Flat 2, Cranley Gardens
SW7 3BB
11a, Flat 6, Cranley Place
SW7 3AE
1a, Flat 1, Cranley Gardens
SW7 3BB
13a, Flat 2, Cranley Gardens
SW7 3BB
1a, Flat 4, Cranley Gardens
SW7 3BB
12a, Flat B, Bute Street
SW7 3EX
21 23, Flat 10, Cranley Gardens
SW7 3BD
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