First Floor Flat, 137 Coldharbour Lane, London, SE5 9NU
About First Floor Flat
First Floor Flat is a mid-terrace house in London (SE5 9NU). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to before 1900. The latest certificate (March 2025) returns a B (score 84), comfortably above the UK average. When first surveyed in December 2008 the rating was D, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good.
At 67 m² it's 26% larger than the typical home in the postcode (53 m² median across 56 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £394,000 is 18.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£461/sq ft) was about 17% above the typical sold price in the postcode. Most recent transfer: August 2022 at £332,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
First Floor Flat ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Low energy lighting percentage decreased
More low energy lighting installed
Heating controls upgraded for better temperature management
Glazing upgraded to newer, more efficient type
More low energy lighting installed
Heating controls changed
More low energy lighting installed
Heating controls changed
Windows upgraded, improving insulation
Heating controls upgraded for better temperature management
Window efficiency improved
Planning history
First 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 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£394,000
Modelled from EPC, postcode comparables.
£332,500
Recorded with HM Land Registry.
Sales timeline
18 August 2022Most recent
£332,500
Median price across the last 5 sales in SE5 9NU: £280,000 (2025–2023).
Nearby sales in SE5 9NU
Second Floor Flat, 135 Coldharbour Lane, London, SE5 9NU
Sold Nov 2025
£322,500143a, Flat A, Coldharbour Lane, London, SE5 9NU
Sold Nov 2024
£280,000143a, Coldharbour Lane, Lambeth, London, SE5 9NU
Sold Sept 2024
£273,500135a, Coldharbour Lane, Lambeth, London, SE5 9NU
Sold Mar 2024
£435,000137b, Coldharbour Lane, Lambeth, London, SE5 9NU
Sold Nov 2022
£325,000
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 Coldharbour Lane homes
First Floor Flat outperforms the street on epc rating by a wide margin.
Price per m²
£4,963
Street avg £6,684
Floor Area
67 m²
Street avg 50 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 2.1 t/year
Similar properties nearby
135a, Flat A, Coldharbour Lane
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137b, Ground Floor Flat, Coldharbour Lane
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133b, First Floor Flat, Coldharbour Lane
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133b, Second Floor Flat, Coldharbour Lane
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Lilford Road (SE5) — bus stop.
Closest school
0.5 km
Crawford Primary School. 90 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
54.4dB

Night-time· 23:00 – 07:00
45.0dB