Basement Flat, 1 Leinster Square, Westminster, London, W2 4PL
About Basement Flat
Basement Flat is an end-of-terrace house in Westminster, London, London (W2 4PL). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2020) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. At 67 m² it's 26.4% larger than the typical home in the postcode (53 m² median across 39 EPCs). Today's modelled estimate of £712,000 is 42.4% above the 2021 sale price. Most recent transfer: January 2021 at £500,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about Basement Flat
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
Energy performance
EPC Rating
Planning history
- Nov 2021RenovationFullIn report
Replacement of windows and doors, enclosure of covered area to rear courtyard and alterations and landscaping to lightwells/courtyard. (Linked to 21/06141/LBC)
- Agent
- AtelierWest
New Windows- Documents
- 14 docs on file
- Reference
- 21/06140/FULL
- Nov 2021RenovationHeritageIn report
Replacement of windows and doors, enclosure of covered area to rear courtyard and alterations and landscaping to lightwells/courtyard, and internal alterations. (Linked to 21/06140/FULL)
- Agent
- AtelierWest
New Windows- Documents
- 12 docs on file
- Reference
- 21/06141/LBC
We flagged 2 things 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.
- Signs of HMO activity in the area
- 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.
£712,000
Modelled from EPC, postcode comparables.
£500,000
Recorded with HM Land Registry.
Sales timeline
21 January 2021Most recent
£500,000
Median price across the last 5 sales in W2 4PL: £650,000 (2025–2022).
Nearby sales in W2 4PL
Flat 1, 1 Leinster Square, London, W2 4PL
Sold Jun 2025
£27,000Flat L, 4 Leinster Square, Westminster, London, W2 4PL
Sold Sept 2024
£857,500Ground Floor Flat, 2 Leinster Square, London, W2 4PL
Sold Sept 2023
£650,00010 Leinster Square, Westminster, London, W2 4PL
Sold May 2023
£4,120,000Flat A, 4 Leinster Square, London, W2 4PL
Sold Aug 2022
£560,000
Versus other Leinster Square homes
Basement Flat is notably below the street on years held.
Price per m²
£7,463
Street avg £11,267
Floor Area
67 m²
Street avg 105 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.6 t/year
Everything you need to know about Basement Flat
The true value, the hidden risks and the full sale history, in one report.
30-day money-back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chepstow Rd / Westbourne Grove — bus stop.
Closest school
0.5 km
Hallfield Primary School. 74 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
59.6dB
Night-time· 23:00 – 07:00
50.1dB