Flat 10, 31 Dewar Street, Southwark, London, SE15 4JP
About Flat 10
Flat 10 is a one-bedroom end-of-terrace house in Southwark, London, London (SE15 4JP). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1983-1990 and council tax band B. Tenure is freehold. The latest certificate (September 2021) shows a C (score 75), near the top of the C band. When first surveyed in September 2011 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 Very Poor to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Poor. At 50 m² this is the 5th smallest of 10 units on EPC record in the building, where floor areas span 43–57 m². The building's EPC ratings span D to B across 10 units on file.
Across 2000–2018, sale prices on this property compounded at 8.9% per year. On a £-per-square-foot basis, the last sale (£626/sq ft) was about 108.3% above the typical sold price in the postcode. Sold September 2018 for £337,000.
Know exactly what you're buying at Flat 10
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
Outside
- Private gardenYes
- Parkingoff_street
Building
- TenureFreehold
- RefurbishedYes
Energy performance
Flat 10's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
Flat 10 has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 10
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
Flat 10 has more than quadrupled in price since its earliest registered sale in 2000.
£353,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 18 years.
£337,000
Growth on file: 8.9% per year over 18 years.
Sales timeline
2 September 2018Most recent
£337,000
-3.7%over 2 years4 August 2016
£350,000
+400.0%over 16 years24 March 2000
£69,995
Median price across the last 5 sales in SE15 4JP: £703,000 (2025–2021).
Nearby sales in SE15 4JP
4 Dewar Street, Southwark, London, SE15 4JP
Sold Nov 2025
£775,000Flat 2, 29 Dewar Street, Southwark, London, SE15 4JP
Sold Mar 2025
£350,000Flat 9, 31 Dewar Street, Southwark, London, SE15 4JP
Sold Nov 2022
£332,00021 Dewar Street, Southwark, London, SE15 4JP
Sold Jul 2022
£960,0003 Dewar Street, Southwark, London, SE15 4JP
Sold Dec 2021
£703,000
Everything we know about Flat 10, 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 Dewar Street homes
Flat 10 is notably below the street on habitable rooms.
Price per m²
£6,740
Street avg £4,707
Floor Area
50 m²
Street avg 55 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.7 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Peckham Rye /East Dulwich Road — bus stop.
Closest school
0.0 km
Bellenden Primary School. 81 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
54.6dB

Night-time· 23:00 – 07:00
44.3dB