Second Floor Flat, 6 Eccleston Square, London, SW1V 1NP
About Second Floor Flat
Second Floor Flat is a one-bedroom mid-terrace house in London (SW1V 1NP). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. The latest certificate (November 2021) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Poor; while main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity.
Across 2009–2022, sale prices on this property compounded at 3% per year. On a £-per-square-foot basis, the last sale (£1,259/sq ft) was about 62.1% above the typical sold price in the postcode. At 45 m² it's 22.4% smaller than the typical home in the postcode (58 m² median across 37 EPCs). Last sale on file: £610,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Second 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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Wall insulation improved
Planning history
Second Floor Flat has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Second 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
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£568,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 13 years.
£610,000
Growth on file: 3.0% per year over 13 years.
Sales timeline
25 November 2022Most recent
£610,000
+47.0%over 12 years27 November 2009
£415,000
Median price across the last 5 sales in SW1V 1NP: £685,750 (2025–2022).
Nearby sales in SW1V 1NP
3a, Eccleston Square, Westminster, London, SW1V 1NP
Sold Sept 2025
£410,000Flat 3, 11 Eccleston Square, London, SW1V 1NP
Sold Sept 2024
£685,750Third & Fourth Floor Flat, 6 Eccleston Square, London, SW1V 1NP
Sold Jul 2023
£1,520,000Flat 5, 3 Eccleston Square, London, SW1V 1NP
Sold Jan 2023
£527,00014 Eccleston Square, Westminster, London, SW1V 1NP
Sold May 2022
£6,250,000
Everything we know about Second 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 Eccleston Square homes
Second Floor Flat is notably below the street on epc rating.
Price per m²
£13,556
Street avg £11,323
Floor Area
45 m²
Street avg 69 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.7 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
Green Line Coach Station — bus stop.
Closest school
0.4 km
St Peter's Eaton Square CofE Primary School. 64 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
60.4dB

Night-time· 23:00 – 07:00
50.6dB