Flat 1, 121 St Georges Square, Westminster, London, SW1V 3QP
About Flat 1
Flat 1 is a mid-terrace house in Westminster, London, London (SW1V 3QP). 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 4th smallest of 6 units on EPC record in the building, where floor areas span 76–162 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (May 2019) shows a C (score 74). The rating has held steady at C across 2 certificates since April 2009. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 113 m² the property is well over the postcode median (86 m² across 61 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at Flat 1
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
Hot water efficiency decreased
More low energy lighting installed
Planning history
Flat 1 has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 1
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 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,302,000
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 SW1V 3QP: £1,090,000 (2025–2024).
Nearby sales in SW1V 3QP
Flat 5, 121 St Georges Square, Westminster, London, SW1V 3QP
Sold Nov 2025
£965,000Flat 5, 109 St Georges Square, London, SW1V 3QP
Sold May 2025
£1,100,000Flat 6, 105 St Georges Square, London, SW1V 3QP
Sold Apr 2025
£1,516,000Flat A, 97 St Georges Square, London, SW1V 3QP
Sold Oct 2024
£680,000Flat 1, 111 St Georges Square, London, SW1V 3QP
Sold Aug 2024
£1,090,000
Everything we know about Flat 1, 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 St Georges Square homes
On epc rating, Flat 1 stands well clear of the street.
EPC Rating
74 (C)
Street avg 66 (D)
Floor Area
113 m²
Street avg 91 m²
CO₂ Emissions
3.4 t/year
Street avg 3.6 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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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
0.3 km
Pimlico Station — bus stop.
Closest school
0.3 km
Pimlico Primary. 80 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
61.6dB

Night-time· 23:00 – 07:00
52.9dB