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Get started23 Calton Avenue, Southwark, London, SE21 7DE
5 sales on record
About 23 Calton Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
23 Calton Avenue is a mid-terrace house in Southwark, London, London (SE21 7DE). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (March 2019) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump.
Sale prices here have outpaced London HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £1,325,000 is 10.5% below the 2024 sale of £1,480,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£1,118/sq ft) was about 142.7% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: a loft conversion approved in 2010. Past consents include a loft conversion, meaningful when judging how the property has evolved. Last sale on file: £1,480,000 in October 2024.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
23 Calton Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
A
B
C
D
E
E52
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
6.4 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 23 Calton Avenue, Southwark, London, SE21 7DE, sourced from the PlanIt planning register.
- Sept 2010Loft ConversionFullGranted
Loft conversion including new dormer window, new heritage rooflight and new window to gable. New rooflights to back section of house. Reconfigured window to rear elevation of house.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Price for 23 Calton Avenue has grown more than fourfold since the 1996 starting point.
Current estimate
See how we calculated this£1,325,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 28 years.
Last sold (2024)
£1,480,000
Growth on file: 7.9% per year over 28 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 23 Calton Avenue, Southwark, London, SE21 7DE
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 10 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 23 Calton Avenue lags the street by a wide margin.
Price per m²
£12,033
Street avg £9,076
Floor Area
123 m²
Street avg 151 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
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
0.2 km
Dulwich Village — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SE21 7DE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 98 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 23 Calton Avenue, Southwark, London, SE21 7DE. Each answer is also embedded as structured data for search engines.