Basement Flat, 94 St Georges Square, London, SW1V 3QY
About Basement Flat
Basement Flat is a mid-terrace house in London (SW1V 3QY). It has a recorded floor area of 36 m² (around 388 sq ft) and construction records dating it to 1900-1929. The latest certificate (November 2023) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since August 2021. Between certificates, window efficiency went from Poor to Good.
8 planning records sit against the property, 6 approved, 2 refused. Past consents include new windows, subdivision and a basement excavation, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 36 m² it sits well below the postcode median (76 m² across 24 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£1,871/sq ft) was about 116.6% above the typical sold price in the postcode. Last sale on file: £725,000 in June 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Basement Flat
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
Basement Flat's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Aug 2021ConditionsIn report
Details of new windows and doors, and privacy screen pursuant to condition 4 and 6 of listed building consent dated 12 November 2020 (RN: 20/05746/LBC).
- Agent
- Elli Farrant Architects
Listed- Documents
- 6 docs on file
- Reference
- 21/04152/ADLBC
- Aug 2021ConditionsIn report
Details of new windows and doors, and privacy screen pursuant to condition 4 and 6 of planning permission dated 12 November 2020 (RN: 20/05745/FULL).
- Agent
- Elli Farrant Architects
- Documents
- 7 docs on file
- Reference
- 21/04051/ADFULL
We flagged 1 thing worth checking at Basement Flat
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£730,000
Modelled from EPC, postcode comparables.
£725,000
Recorded with HM Land Registry.
Sales timeline
26 June 2022Most recent
£725,000
Median price across the last 5 sales in SW1V 3QY: £896,000 (2024–2022).
Nearby sales in SW1V 3QY
Flat D, 104 St Georges Square, London, SW1V 3QY
Sold Dec 2024
£896,000Flat 1, 92 St Georges Square, London, SW1V 3QY
Sold Mar 2024
£405,000Flat 3, 92 St Georges Square, London, SW1V 3QY
Sold Mar 2024
£745,000Flat 4, 92 St Georges Square, London, SW1V 3QY
Sold Mar 2024
£995,000Flat B, 104 St Georges Square, London, SW1V 3QY
Sold Oct 2022
£1,060,000
Everything we know about Basement Flat, 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
Basement Flat outperforms the street on price per m² by a wide margin.
Price per m²
£20,139
Street avg £10,344
Floor Area
36 m²
Street avg 84 m²
Habitable Rooms
1 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 3.1 t/year
Similar properties nearby
91b, First Floor Flat, Grosvenor Road
SW1V 3LD
91a, Garden Flat, Grosvenor Road, Westminster
SW1V 3LD
Abbotts House, Flat 24, Aylesford Street, Westminster
SW1V 3RN
91b, Garden Flat, Grosvenor Road, Westminster
SW1V 3LD
Abbotts House, Flat 1, Aylesford Street, Westminster
SW1V 3RN
91b, Basement Flat, Grosvenor Road
SW1V 3LD
Abbotts House, Flat 11, Aylesford Street, Westminster
SW1V 3RN
91a, Basement Flat, Grosvenor Road
SW1V 3LD
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
0.2 km
Claverton St / Churchill Gdns — bus stop.
Closest school
0.3 km
Pimlico Primary. 81 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
61.1dB

Night-time· 23:00 – 07:00
52.1dB