Flat 3, 11 Eccleston Square, London, SW1V 1NP
About Flat 3
Flat 3 is a mid-terrace house in London (SW1V 1NP). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (October 2018) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in November 2009 the rating was G, the property has climbed 2 bands since. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.
At 48 m² it's 17.2% smaller than the typical home in the postcode (58 m² median across 37 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On a £-per-square-foot basis, the last sale (£1,327/sq ft) was about 67.8% above the typical sold price in the postcode. Sold September 2024 for £685,750.
Know exactly what you're buying at Flat 3
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 3 sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Planning history
Flat 3 has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 3
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
Flat 3 valuation sits well clear of the typical sold price in this postcode.
£719,000
Modelled from EPC, postcode comparables.
£685,750
Recorded with HM Land Registry.
Sales timeline
9 September 2024Most recent
£685,750
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
£410,000Third & 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
£610,00014 Eccleston Square, Westminster, London, SW1V 1NP
Sold May 2022
£6,250,000
Everything we know about Flat 3, 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
Years Held for Flat 3 lags the street by a wide margin.
Price per m²
£14,286
Street avg £11,293
Floor Area
48 m²
Street avg 69 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.1 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