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Get started99 Calton Avenue is a six-bedroom semi-detached house in Southwark, London, London (SE21 7DF). It has a recorded floor area of 414 m² (around 4456 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (March 2022) shows an E (score 48), well below the UK norm with real room to improve. When first surveyed in January 2016 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 71), a 2-band jump. Period features are noted in the property record. The home occupies a cul-de-sac position.
Sale prices here have outpaced London HPI: 9.1% per year against 0% for the wider region. At 414 m² the property is well over the postcode median (231 m² across 23 EPCs), placing it in the larger end of the local stock. 10 planning records sit against the property, 7 approved, 1 refused. Past consents include tree works, an extension and a basement excavation, meaningful when judging how the property has evolved. Last sale on file: £3,525,100 in January 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
99 Calton Avenue's carbon output runs well above what efficient homes in the postcode produce.
99 Calton Avenue has been through 7 approved planning applications — a well-evolved property.
Construction of a side pedestrian access gate, piers and landscaping and installation of metal railings to existing side lightwell to replace fuller height timber screen.
Latest sale on 99 Calton Avenue was the highest on Land Registry record across the postcode.
£3,820,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 25 years.
£3,525,100
Growth on file: 9.1% per year over 25 years.
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Detailed AI analysis
Floor Area for 99 Calton Avenue runs comfortably ahead of the street norm.
Price per m²
£8,515
Street avg £10,213
Floor Area
414 m²
Street avg 234 m²
Habitable Rooms
10 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
Heat pump installed, significantly improving energy efficiency
Heating controls changed
Roof insulation improved
Are we missing something? Tell us about home improvements to help adjust your valuation.
Installation of heat pumps to approved heat pump enclosure
8 more applications for this property
Join to see all planning history.
20 January 2021Most recent
£3,525,100
+50.0%over 1 year12 April 2019
£2,350,000
+487.5%over 23 years18 January 1996
£400,000
Median price across the last 5 sales in SE21 7DF: £3,400,001 (2024–2021).
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Full planning history
Every application and decision on record
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Street avg 8 rooms
CO₂ Emissions
15.7 t/year
Street avg 12.7 t/year
SE21 7BQ
Closest school
0.2 km
Dulwich Village Church of England Infants' School. 68 schools nearby.
Night-time· 23:00 – 07:00
42.7dB