Flat 4 5, 20 Gillingham Street, Westminster, London, SW1V 1AG
About Flat 4 5
Flat 4 5 is a two-bedroom mid-terrace house in Westminster, London, London (SW1V 1AG). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (April 2023) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since March 2009. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. At 61 m² this is the 4th smallest of 7 units on EPC record in the building, where floor areas span 50–70 m². The building's EPC ratings span C to B, with this unit at the top. Other recorded features include a balcony.
Held since September 2010 — that's 16 years off the open market, well above the local norm.
Know exactly what you're buying at Flat 4 5
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
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Parkingunderground
- BalconyYes
Building
- ConciergeYes
Energy performance
Flat 4 5's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water efficiency decreased
More low energy lighting installed
Planning history
Flat 4 5 has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 4 5
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
£828,000
Modelled from EPC, postcode comparables.
£828,000
Recorded with HM Land Registry.
Sales timeline
16 September 2010Most recent
£828,000
Median price across the last 5 sales in SW1V 1AG: £920,000 (2016–2012).
Nearby sales in SW1V 1AG
Flat 4 4, 20 Gillingham Street, Westminster, London, SW1V 1AG
Sold Oct 2016
£645,000Flat 4 1, 20 Gillingham Street, Westminster, London, SW1V 1AG
Sold May 2014
£1,430,000Flat 1 1, 20 Gillingham Street, Westminster, London, SW1V 1AG
Sold Oct 2013
£1,095,000Flat 3 5, 20 Gillingham Street, Westminster, London, SW1V 1AG
Sold Jan 2013
£920,000Flat 5 4, 20 Gillingham Street, Westminster, London, SW1V 1AG
Sold Jan 2012
£499,950
Everything we know about Flat 4 5, 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 Gillingham Street homes
Price per m²
£13,574
Street avg £13,450
Floor Area
61 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 1.4 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
Neathouse Place — bus stop.
Closest school
0.3 km
St Vincent De Paul Catholic Primary School. 67 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
61.3dB

Night-time· 23:00 – 07:00
52.0dB