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Get started15 Calton Avenue is a four-bedroom mid-terrace house in Southwark, London, London (SE21 7DE). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (May 2025) shows a C (score 69), just inside the C band. When first surveyed in November 2013 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 84). Period features are noted in the property record. The home occupies a cul-de-sac position.
Sale prices here have outpaced London HPI: 5% per year against 0% for the wider region. Today's modelled estimate of £1,220,000 is 43.5% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£658/sq ft) was about 57.3% above the typical sold price in the postcode. One planning record on file: an extension approved in 2016. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Sold August 2018 for £850,000.
Erection of rear dormer roof extension and ground floor layout changes
15 Calton Avenue has more than doubled in price since the earliest registered sale in 2002.
£1,220,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 16 years.
£850,000
Growth on file: 5.0% per year over 16 years.
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Price per m²
£7,083
Street avg £9,901
Floor Area
120 m²
Street avg 151 m²
Habitable Rooms
6 rooms
Street avg 5 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 — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
30 August 2018Most recent
£850,000
-8.1%over 4 years19 August 2014
£925,000
+137.2%over 12 years14 August 2002
£390,000
Median price across the last 5 sales in SE21 7DE: £1,345,000 (2025–2019).
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Detailed EPC data
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Full planning history
Every application and decision on record
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CO₂ Emissions
4.0 t/year
Street avg 5.1 t/year
SE21 7JZ
Closest school
0.2 km
Dulwich Village Church of England Infants' School. 68 schools nearby.
Night-time· 23:00 – 07:00
42.0dB