3a, Eccleston Square, Westminster, London, SW1V 1NP
About 3a
3a is a two-bedroom mid-terrace house in Westminster, London, London (SW1V 1NP). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band F. At 79 m² this is the 6th 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 across 12 units on file. Period features are noted in the property record. The latest certificate (September 2023) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 75).
At 79 m² the property is well over the postcode median (57 m² across 37 EPCs), placing it in the larger end of the local stock. Across 2001–2025, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £638,000 sits 55.6% above the 2025 sale of £410,000. On a £-per-square-foot basis, the last sale (£482/sq ft) was about 42.5% below the postcode norm. A recent sale: £410,000 in September 2025.
Know exactly what you're buying at 3a
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
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
Building
- Period featuresYes
Energy performance
EPC Rating
Planning history
3a has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 3a
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
3a valuation sits well clear of the typical sold price in this postcode.
£638,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 24 years.
£410,000
Growth on file: 1.9% per year over 24 years.
Sales timeline
23 September 2025Most recent
£410,000
+56.2%over 23 years17 October 2001
£262,500
Median price across the last 5 sales in SW1V 1NP: £685,750 (2024–2022).
Nearby sales in SW1V 1NP
Flat 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
£610,00014 Eccleston Square, Westminster, London, SW1V 1NP
Sold May 2022
£6,250,000
Everything we know about 3a, 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 3a lags the street by a wide margin.
Price per m²
£5,190
Street avg £11,657
Floor Area
79 m²
Street avg 68 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.6 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