9a, Eccleston Square, Westminster, London, SW1V 1NP
About 9a
9a is a mid-terrace house in Westminster, London, London (SW1V 1NP). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1900-1929 and council tax band F. At 68 m² this is the 3rd smallest of 12 units on EPC record in the building, where floor areas span 45–440 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2022) shows a C (score 69), just inside the C band. When first surveyed in January 2012 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good.
At 68 m² it's 19.3% larger than the typical home in the postcode (57 m² median across 37 EPCs). On a £-per-square-foot basis, the last sale (£1,913/sq ft) was about 141.8% above the typical sold price in the postcode. On the market in April 2018 and unlisted since — roughly 8 years.
Know exactly what you're buying at 9a
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
Heating controls changed
More low energy lighting installed
Planning history
9a has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 9a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
9a valuation sits well clear of the typical sold price in this postcode.
£1,410,000
Modelled from EPC, postcode comparables.
£1,400,000
Recorded with HM Land Registry.
Sales timeline
4 April 2018Most recent
£1,400,000
Median price across the last 5 sales in SW1V 1NP: £610,000 (2025–2022).
Nearby sales in SW1V 1NP
3a, Eccleston Square, Westminster, London, SW1V 1NP
Sold Sept 2025
£410,000Flat 3, 11 Eccleston Square, London, SW1V 1NP
Sold Sept 2024
£685,750Third & Fourth Floor Flat, 6 Eccleston Square, London, SW1V 1NP
Sold Jul 2023
£1,520,000Flat 5, 3 Eccleston Square, London, SW1V 1NP
Sold Jan 2023
£527,000Second Floor Flat, 6 Eccleston Square, London, SW1V 1NP
Sold Nov 2022
£610,000
Everything we know about 9a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Eccleston Square homes
On price per m², 9a stands well clear of the street.
Price per m²
£20,588
Street avg £11,041
Floor Area
68 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Green Line Coach Station — bus stop.
Closest school
0.4 km
St Peter's Eaton Square CofE Primary School. 64 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
60.4dB
Night-time· 23:00 – 07:00
50.6dB