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Get startedLonsdale Mansions is a detached house in London (SW4 0BA). It has a recorded floor area of 70 m² (around 753 sq ft) and construction records dating it to before 1900. At 70 m² this is the largest unit on EPC record across Lonsdale Mansions (50–70 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (71 versus a worst of 61). The latest certificate (July 2025) shows a C (score 71). When first surveyed in July 2012 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Very Poor to Poor; while lighting dropped from Very Good to Good.
Lonsdale Mansions has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£616,000
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.
On co₂ emissions, Lonsdale Mansions stands well clear of the street.
EPC Rating
71 (C)
Street avg 66 (D)
Floor Area
70 m²
Street avg 63 m²
CO₂ Emissions
1.6 t/year
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Nelson's Row — bus stop.

Daytime· 07:00 – 23:00
55.5dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Low energy lighting percentage decreased
Heating controls changed
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
SW4 0BG
Closest school
0.1 km
Clapham Manor Primary School. 81 schools nearby.
Night-time· 23:00 – 07:00
45.5dB