First Floor Flat, 45 Gloucester Street, London, SW1V 2DB
About First Floor Flat
First Floor Flat is a mid-terrace house in London (SW1V 2DB). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. The latest certificate (September 2019) shows a C (score 73). When first surveyed in February 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good.
Sold August 2023 for £700,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2023, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£1,445/sq ft) was about 97.1% above the typical sold price in the postcode.
Know exactly what you're buying at First Floor 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
First Floor Flat's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Single glazing replaced with double or better glazing
Window efficiency improved
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Planning history
First Floor Flat has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at First Floor 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
Sale price has at least doubled since 2001.
£705,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 22 years.
£700,000
Growth on file: 4.7% per year over 22 years.
Sales timeline
9 August 2023Most recent
£700,000
+25.0%over 2 years29 October 2020
£560,000
+16.7%over 9 years6 April 2011
£480,000
+92.0%over 9 years17 May 2001
£250,000
Median price across the last 5 sales in SW1V 2DB: £595,000 (2025–2024).
Nearby sales in SW1V 2DB
Flat 5, 41 Gloucester Street, London, SW1V 2DB
Sold Aug 2025
£1,200,000Flat 4, 31 Gloucester Street, London, SW1V 2DB
Sold Dec 2024
£535,000Third & Fourth Floor Flat, 45 Gloucester Street, London, SW1V 2DB
Sold Oct 2024
£1,250,000Flat 6, 31 Gloucester Street, London, SW1V 2DB
Sold Aug 2024
£405,00013 15, Flat G, Gloucester Street, Westminster, London, SW1V 2DB
Sold May 2024
£595,000
Everything we know about First Floor 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 Gloucester Street homes
Price per m² for First Floor Flat runs comfortably ahead of the street norm.
Price per m²
£15,556
Street avg £10,352
Floor Area
45 m²
Street avg 47 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.2 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
Belgrave Road — bus stop.
Closest school
0.3 km
Pimlico Primary. 69 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
58.7dB

Night-time· 23:00 – 07:00
48.5dB