Flat 2, 5 Onslow Square, London, SW7 3NJ
About Flat 2
Flat 2 is an end-of-terrace house in London (SW7 3NJ). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to before 1900 and council tax band G. At 113 m² this is the 3rd smallest of 7 units on EPC record in the building, where floor areas span 101–211 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (November 2012) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. The latest certificate is from November 2012, so improvements made since then won't be reflected.
It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). 3 planning records sit against the property, 2 approved, 1 refused.
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
Flat 2's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 Nov 2022
EPC Rating
Planning history
- Apr 2020HeritageIn report
Internal alterations to realise a shower room as an additional washing facility. Utilising vacant escape stair landing as a shower room and additional WC and WHB. Creation of storage space, within existing WC closet, in lieu of existing small WC and finger basin.
- Council
- Thurloe and Smith's Charity
- Documents
- 17 docs on file
- Reference
- LB/20/00922
- Nov 2014RenovationHeritageIn report
Replacement of heating system and external boiler flue
- Council
- Thurloe and Smith's Charity
- Reference
- LB/14/05996
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 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,351,000
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 3NJ: £2,800,000 (2024–2022).
Nearby sales in SW7 3NJ
Flat 2, 23 Onslow Square, London, SW7 3NJ
Sold Nov 2024
£2,825,000Flat 12, 25 Onslow Square, Kensington And Chelsea, London, SW7 3NJ
Sold Oct 2024
£560,000Flat 11, 25 Onslow Square, Kensington And Chelsea, London, SW7 3NJ
Sold Jul 2023
£1,600,000Flat 3, 23 Onslow Square, London, SW7 3NJ
Sold May 2023
£2,800,000Flat 1, 17 Onslow Square, London, SW7 3NJ
Sold Aug 2022
£3,600,000
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 Square homes
Flat 2 is notably below the street on epc rating.
EPC Rating
54 (E)
Street avg 66 (D)
Floor Area
113 m²
Street avg 104 m²
CO₂ Emissions
6.0 t/year
Street avg 4.1 t/year
Habitable Rooms
3 rooms
Street avg 4 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
0.1 km
Onslow Square — bus stop.
Closest school
0.3 km
Oratory Roman Catholic Primary School. 58 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
58.4dB
Night-time· 23:00 – 07:00
48.1dB