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Get started12d, Calton Avenue, Southwark, London, SE21 7DQ
1 planning record
About 12d
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
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).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Dec 2025
EPC Rating
A
B
C
D
E
E45
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
3.8 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 12d, Calton Avenue, Southwark, London, SE21 7DQ, sourced from the PlanIt planning register.
- Jul 2022Tree WorksTreesGranted
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.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
12d has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£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.
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The complete analysis of 12d, Calton Avenue, Southwark, London, SE21 7DQ
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Calton Avenue homes
Four headline reads against 9 similar flats on this street, drawn from the latest EPC and Land Registry data.
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
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around SE21 7DQ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 97 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 12d, Calton Avenue, Southwark, London, SE21 7DQ. Each answer is also embedded as structured data for search engines.