12b, Walcorde Avenue, Southwark, London, SE17 1LS
About 12b
12b is a three-bedroom mid-terrace house in Southwark, London, London (SE17 1LS). It has a recorded floor area of 93 m² (around 1001 sq ft) and construction records dating it to before 1900. At 93 m² this is the 11th smallest of 16 units on EPC record in the building, where floor areas span 44–151 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (May 2014) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from May 2014, so improvements made since then won't be reflected.
One planning record on file: new windows approved in 2026. Past consents include new windows, meaningful when judging how the property has evolved. At 93 m² it's 22.4% larger than the typical home in the postcode (76 m² median across 19 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Across 2001–2024, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £738,000 is 21% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£609/sq ft) was about 120% above the typical sold price in the postcode. Last sale on file: £610,000 in October 2024.
Know exactly what you're buying at 12b
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
- Bedrooms3
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 May 2024
EPC Rating
Planning history
- Feb 2026RenovationFullIn report
Replacement of the timber sashes with like for like double glazed timber sashes - window boxes to be retained. Replacement of rear sash windows with visual like for like double glazed UPVC equivalents. Repositioning of external door to accommodate revised kitchen layout to the rear of the property. Installation of glazed double door. Reconstruction of damaged external stair and landing with a revised stair layout.
New Windows- Documents
- 21 docs on file
- Reference
- 25/AP/3514
We flagged 1 thing worth checking at 12b
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
Latest sale on 12b was the highest on Land Registry record across the postcode.
£738,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 23 years.
£610,000
Growth on file: 4.5% per year over 23 years.
Sales timeline
21 October 2024Most recent
£610,000
+177.3%over 23 years18 October 2001
£220,000
Median price across the last 5 sales in SE17 1LS: £330,000 (2021–2017).
Nearby sales in SE17 1LS
3a, Walcorde Avenue, Southwark, London, SE17 1LS
Sold Dec 2021
£330,000Flat 3, 1 Walcorde Avenue, London, SE17 1LS
Sold Jan 2018
£470,000Flat 2, 1 Walcorde Avenue, London, SE17 1LS
Sold Dec 2017
£415,00014a, Walcorde Avenue, Southwark, London, SE17 1LS
Sold Jan 2012
£232,50014b, Walcorde Avenue, Southwark, London, SE17 1LS
Sold Oct 2011
£345,000
Everything we know about 12b, 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 Walcorde Avenue homes
On years held, 12b runs well behind the street norm.
Price per m²
£6,559
Street avg £4,607
Floor Area
93 m²
Street avg 69 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
5.1 t/year
Street avg 3.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
19/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Larcom Street — bus stop.
Closest school
0.2 km
Robert Browning Primary School. 96 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
57.4dB
Night-time· 23:00 – 07:00
46.5dB