Flat 2 is a one-bedroom mid-terrace house in London (SW3 5TX). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1900-1929 and council tax band D. At 41 m² this is the smallest unit on EPC record across the building (41–61 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (January 2026) shows a C (score 71). When first surveyed in May 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Held since March 2006 — that's 20 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 8.2% per year against 0% for the wider region. Today's modelled estimate of £561,000 sits 93.4% above the 2006 sale of £290,000. At 41 m² it's 27.4% 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 2's carbon output is low for the local stock.
Flat 2 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 2's estimated value is more than triple its earliest registered sale price (1999).
£561,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 7 years.
£290,000
Growth on file: 8.2% per year over 7 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
Flat 2 is notably below the street on floor area.
Price per m²
£7,073
Street avg £9,349
Floor Area
41 m²
Street avg 75 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
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
More low energy lighting installed
Wall insulation improved
More low energy lighting installed
6 March 2006Most recent
£290,000
+73.1%over 6 years26 March 1999
£167,500
Median price across the last 5 sales in SW3 5TX: £490,000 (2017–2010).

CO₂ Emissions
1.4 t/year
Street avg 2.7 t/year
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