Flat 1 is a mid-terrace house in London (SW3 5TX). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to before 1900 and council tax band E. At 46 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 45–50 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (72 versus a worst of 67). The latest certificate (June 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since May 2015. Between certificates, window efficiency went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good.
At 46 m² it's 18.6% smaller than the typical home in the postcode (57 m² median across 12 EPCs).
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
Flat 1 has no planning applications on record.
Notable planning nearby
7applications of note in the surrounding area
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.
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Flat 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£620,000
Modelled from EPC, postcode comparables.
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.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On floor area, Flat 1 runs well behind the street norm.
EPC Rating
72 (C)
Street avg 69 (C)
Floor Area
46 m²
Street avg 74 m²
CO₂ Emissions
1.6 t/year
Street avg 2.7 t/year
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chelsea Old Town Hall — bus stop.

Daytime· 07:00 – 23:00
57.3dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Median price across the last 5 sales in SW3 5TX: £490,000 (2017–2010).

Habitable Rooms
2 rooms
Street avg 3 rooms
SW3 5NR
Closest school
0.3 km
Christ Church CofE Primary School. 59 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
47.8dB