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Get started15 Clarence Avenue is a four-bedroom semi-detached house in Lambeth, London, London (SW4 8LA). It has a recorded floor area of 202 m² (around 2174 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (September 2025) shows an E (score 48), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2013); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 60).
Sale prices here have outpaced London HPI: 9% per year against 0% for the wider region. Today's modelled estimate of £1,748,000 is 42.7% above the 2016 sale price. At 202 m² the property is well over the postcode median (126 m² across 13 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 3 is the typical count. 10 years since the last transfer (October 2016). One historical planning record sits against the property in 2019.
15 Clarence Avenue's carbon output runs well above what efficient homes in the postcode produce.
Alterations to existing side roof addition involving raising the ridge height, and installation of two rear dormers, three rooflights to the front roof slope and two rooflights to the side roof slopes
15 Clarence Avenue valuation sits well clear of the typical sold price in this postcode.
£1,748,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 3 years.
£1,225,000
Growth on file: 9.0% per year over 3 years.
On epc rating, 15 Clarence Avenue runs well behind the street norm.
Price per m²
£6,064
Street avg £4,708
Floor Area
202 m²
Street avg 167 m²
Habitable Rooms
7 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Rosebery Road (SW4) — bus stop.

Daytime· 07:00 – 23:00
51.7dB

Changes detected from historical EPC data
Hot water efficiency decreased
Low energy lighting percentage decreased
Roof insulation improved
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 October 2016Most recent
£1,225,000
+28.9%over 2 years22 October 2013
£950,000
Median price across the last 5 sales in SW4 8LA: £799,950 (2023–2017).
Flat 4 21 Clarence Avenue Lambeth London
Sold Oct 2023
Flat 2 21 Clarence Avenue Lambeth London
Sold May 2017
Flat 1 21 Clarence Avenue Lambeth London
Sold Apr 2017
3 Clarence Avenue Lambeth London
Sold Jan 2017
Flat 6 21 Clarence Avenue Lambeth London
Sold Sept 2016
Street avg 6 rooms
CO₂ Emissions
10.0 t/year
Street avg 6.4 t/year
SW4 8AB
Closest school
0.1 km
Iqra Primary School. 73 schools nearby.
Night-time· 23:00 – 07:00
41.2dB
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