12d, Calton Avenue, Southwark, London, SE21 7DQ
About 12d
12d is a semi-detached house in Southwark, London, London (SE21 7DQ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to before 1900 and council tax band C. At 45 m² this is the 6th smallest of 16 units on EPC record in the building, where floor areas span 30–72 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (45 versus a best of 80). The latest certificate (December 2015) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from December 2015, so improvements made since then won't be reflected.
One planning record on file: tree works approved in 2022. Past consents include tree works, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
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Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Dec 2025
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
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Planning history
1 application on record at 12d, Calton Avenue, Southwark, London, SE21 7DQ
- Jul 2022Tree WorksTreesOutcome in report
T12- Ailanthus, Calton Avenue, Crown lift 2mT13 & T16 Box Elder Maple, remove deadwoodT14 & T15 Cherry Plum, remove dead wood,lateral reduction to provide 2m clear from the property.
- Documents
- 3 docs on file
- Reference
- 22/AP/1943
Unlock 12d, Calton Avenue, Southwark, London, SE21 7DQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12d has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£376,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Versus other Calton Avenue homes
EPC Rating for 12d lags the street by a wide margin.
EPC Rating
45 (E)
Street avg 64 (D)
Floor Area
45 m²
Street avg 47 m²
CO₂ Emissions
3.8 t/year
Street avg 2.5 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 12d
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Dulwich Village — bus stop.
Closest school
0.2 km
Dulwich Village Church of England Infants' School. 67 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.2dB
Night-time· 23:00 – 07:00
42.1dB