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Get started83 Calton Avenue is a semi-detached house in Southwark, London, London (SE21 7DF). It has a recorded floor area of 239 m² (around 2573 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (June 2023) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2012 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 76).
Sale prices here have outpaced London HPI: 6.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,337/sq ft) was about 70.9% above the typical sold price in the postcode. One planning record on file: an extension approved in 2012. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Sold October 2023 for £3,440,000.
83 Calton Avenue's carbon output runs well above what efficient homes in the postcode produce.
Extension: Rear of property
Loft extension including two new side dormer windows and rear window. Enlargement of rear dormer window. General internal alterations including replacement of ground floor rooflights. Extension to existing first floor roof terrace.
83 Calton Avenue has more than tripled in price since its earliest registered sale in 2003.
£3,661,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 21 years.
£3,440,000
Growth on file: 6.5% per year over 21 years.
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Detailed AI analysis
83 Calton Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£14,393
Street avg £9,919
Floor Area
239 m²
Street avg 243 m²
Habitable Rooms
8 rooms
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 (SE21) — bus stop.

Daytime· 07:00 – 23:00
53.1dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
27 October 2023Most recent
£3,440,000
+269.9%over 20 years30 January 2003
£930,000
Median price across the last 5 sales in SE21 7DF: £3,400,001 (2024–2021).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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Street avg 8 rooms
CO₂ Emissions
9.1 t/year
Street avg 13.1 t/year
Closest school
0.2 km
Dulwich Village Church of England Infants' School. 68 schools nearby.
Night-time· 23:00 – 07:00
42.7dB