Flat B, 23 Denman Road, Southwark, London, SE15 5NS
About Flat B
Flat B is a two-bedroom end-of-terrace house in Southwark, London, London (SE15 5NS). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2022) shows a C (score 72). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. Period features are noted in the property record.
At 63 m² it sits well below the postcode median (100 m² across 38 EPCs), making it one of the more compact homes locally. Most recent transfer: October 2022 at £590,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1998–2022, sale prices on this property compounded at 16.7% per year. On a £-per-square-foot basis, the last sale (£870/sq ft) was about 98.4% above the typical sold price in the postcode.
Know exactly what you're buying at Flat B
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
- ParkingYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Planning history
Flat B has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Price for Flat B has grown more than fourfold since the 1998 starting point.
£591,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.7% per year over 24 years.
£590,000
Growth on file: 16.7% per year over 24 years.
Sales timeline
27 October 2022Most recent
£590,000
+136.0%over 12 years29 January 2010
£250,000
+42.9%over 7 years18 November 2002
£175,000
+1090.5%over 3 years14 December 1998
£14,700
Median price across the last 5 sales in SE15 5NS: £750,000 (2025–2024).
Nearby sales in SE15 5NS
Flat A, 65 Denman Road, Southwark, London, SE15 5NS
Sold Sept 2025
£750,000Flat B, 63 Denman Road, London, SE15 5NS
Sold Jun 2025
£458,000Flat B, 71 Denman Road, London, SE15 5NS
Sold Jan 2025
£690,00067 Denman Road, Southwark, London, SE15 5NS
Sold Jan 2025
£790,00033 Denman Road, Southwark, London, SE15 5NS
Sold Sept 2024
£1,270,000
Everything we know about Flat B, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Denman Road homes
Price per m²
£9,365
Street avg £7,714
Floor Area
63 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.7 t/year
Similar properties nearby
1 2 Central Buildings, Flat C, Rye Lane, Southwark
SE15 5DW
14a, Flat 3, Rye Lane
SE15 5BS
13a, Flat 2, Peckham High Street
SE15 5EB
13a, Flat 3, Peckham High Street
SE15 5EB
12a, Flat 3, Rye Lane
SE15 5BS
1 2 Central Buildings, Flat D, Rye Lane, Southwark
SE15 5DW
13a, Flat 4, Peckham High Street
SE15 5EB
12a, Flat 2, Rye Lane
SE15 5BS
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
0.3 km
Harris Academy / Peckham — bus stop.
Closest school
0.2 km
Harris Academy Peckham. 92 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
53.1dB

Night-time· 23:00 – 07:00
42.8dB