Flat 5 1, 20 Gillingham Street, Westminster, London, SW1V 1AG
About Flat 5 1
Flat 5 1 is a three-bedroom mid-terrace house in Westminster, London, London (SW1V 1AG). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 2007 onwards and council tax band G. At 84 m² this is the 6th smallest of 8 units on EPC record in the building, where floor areas span 61–113 m². The building's EPC ratings span C to B, with this unit at the bottom. Other recorded features include a balcony. Period features are noted in the property record. The latest certificate (August 2020) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (March 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Good to Very Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Average. The recommended improvements would push it to B (score 81).
At 84 m² the property is well over the postcode median (61 m² across 36 EPCs), placing it in the larger end of the local stock.
Know exactly what you're buying at Flat 5 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
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- EnsuiteYes
Outside
- Communal gardenYes
- BalconyYes
Building
- Heating systemair_source
- LiftYes
- ConciergeYes
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water system changed
More low energy lighting installed
Planning history
Flat 5 1 has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 5 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 5 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£763,000
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 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 5 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 Gillingham Street homes
Floor Area for Flat 5 1 runs comfortably ahead of the street norm.
EPC Rating
80 (C)
Street avg 81 (B)
Floor Area
84 m²
Street avg 61 m²
CO₂ Emissions
2.0 t/year
Street avg 1.3 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
16 18, Flat 2, Upper Tachbrook Street, Westminster
SW1V 1SH
47 51, Flat 10, Gillingham Street
SW1V 1HS
314 316, Flat 7, Vauxhall Bridge Road, Westminster
SW1V 1AA
18 24, Flat 8, Warwick Way, Westminster
SW1V 1RX
18 24, Flat 5, Warwick Way, Westminster
SW1V 1RX
19 21, Flat 1, Warwick Way
SW1V 1QT
47 51, Flat 1, Gillingham Street
SW1V 1HS
18 24, Flat 6, Warwick Way, Westminster
SW1V 1RX
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