Flat A, 11 Winchester Street, Westminster, London, SW1V 4PA
About Flat A
Flat A is a three-bedroom mid-terrace house in Westminster, London, London (SW1V 4PA). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (January 2016) shows a C (score 76), near the top of the C band. The latest certificate is from January 2016, so improvements made since then won't be reflected.
At 72 m² the property is well over the postcode median (45 m² across 27 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a basement excavation and new windows, meaningful when judging how the property has evolved. Today's modelled estimate of £995,000 is 21.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£1,058/sq ft) was about 78.4% above the typical sold price in the postcode. Last sold in September 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at Flat A
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Jan 2026
EPC Rating
Planning history
Flat A has been through 4 approved planning applications — a well-evolved property.
- Mar 2016Change Of UseOutlineIn report
Use of room at rear first floor level for purposes ancillary to residential use of building as four self-contained residential flats (Sui Generis use).
- Agent
- Office Sian Architecture
- Documents
- 14 docs on file
- Reference
- 15/11678/CLEUD
- Nov 2014BasementFullIn report
Extension: Rear of property
Rear infill extension at lower ground and ground floor levels to include fold/sliding doors at basement level and new windows on other floors.
- Agent
- Office Sian Architecture
ExtensionNew Windows- Documents
- 20 docs on file
- Reference
- 14/08812/FULL
What's in Flat A, 11 Winchester Street, Westminster, London, SW1V 4PA's planning history?
2 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Flat A valuation sits well clear of the typical sold price in this postcode.
£995,000
Modelled from EPC, postcode comparables.
£820,000
Recorded with HM Land Registry.
Sales timeline
26 September 2016Most recent
£820,000
Median price across the last 5 sales in SW1V 4PA: £530,000 (2025–2018).
Nearby sales in SW1V 4PA
Flat 3, 7 Winchester Street, London, SW1V 4PA
Sold May 2025
£565,000Flat E, 9 Winchester Street, London, SW1V 4PA
Sold Oct 2024
£440,000Flat B, 9 Winchester Street, London, SW1V 4PA
Sold Oct 2022
£530,000Flat 1, 7 Winchester Street, London, SW1V 4PA
Sold Mar 2022
£680,000Flat B, 11 Winchester Street, Westminster, London, SW1V 4PA
Sold May 2018
£25,350
Everything we know about Flat A, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Winchester Street homes
Flat A outperforms the street on habitable rooms by a wide margin.
Price per m²
£11,389
Street avg £9,592
Floor Area
72 m²
Street avg 49 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 1.9 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
Winchester Street — bus stop.
Closest school
0.2 km
St Gabriel's CofE Primary School. 70 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
59.3dB
Night-time· 23:00 – 07:00
49.2dB