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Get started7 Martell Road is a detached house in Lambeth, London, London (SE21 8EA). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to before 1900 and council tax band D. At 43 m² this is the smallest unit on EPC record across the building (43–220 m²). The building's EPC ratings span D to B across 7 units on file. The latest certificate (September 2024) shows a C (score 69), just inside the C band. When first surveyed in May 2012 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average.
At 43 m² it sits well below the postcode median (72 m² across 7 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 2 approved, 2 refused. Past consents include a loft conversion, subdivision and an extension, meaningful when judging how the property has evolved.
A recent planning application at 7 Martell Road was refused — worth checking the council file.
Formation of a rear roof terrace second floor level - Flat C.
7 Martell Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£329,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Floor Area for 7 Martell Road lags the street by a wide margin.
EPC Rating
69 (C)
Street avg 68 (D)
Floor Area
43 m²
Street avg 79 m²
CO₂ Emissions
1.8 t/year
Street avg 3.4 t/year
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Park Hall Road / Rosendale Road — bus stop.

Daytime· 07:00 – 23:00
52.2dB

Changes detected from historical EPC data
Heating system changed
Heating controls changed
Hot water system changed
Roof insulation improved
Heating system upgraded to a more efficient system
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Single glazing replaced with double or better glazing
Wall insulation improved
Heating system upgraded to a more efficient system
Connected to mains gas supply
Heating controls changed
Hot water system upgraded
Heating controls changed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Alterations to the existing front boundary treatment together with the installation of a vehicular crossover and formation of an area of hardstanding within the front garden.
2 more applications for this property
Join to see all planning history.
Median price across the last 5 sales in SE21 8EA: £600,000 (2024–2014).
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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Habitable Rooms
2 rooms
Street avg 4 rooms
Closest school
0.3 km
Elm Wood School. 60 schools nearby.
Night-time· 23:00 – 07:00
42.6dB