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Get started27 Firth House is a one-bedroom semi-detached house in Lewisham, London, London (SE10 8LU). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 2023. The latest certificate (November 2023) returns a high B (score 86), putting the home a stone's throw from an A rating. At 53 m² this is the 2nd smallest of 34 units on EPC record in the building, where floor areas span 46–65 m². Other recorded features include a balcony.
Today's modelled estimate of £389,000 is 13.9% below the 2024 sale of £451,980, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 53 m² it's 18.5% smaller than the typical home in the postcode (65 m² median across 33 EPCs). Most recent transfer: April 2024 at £451,980.
27 Firth House's carbon output is low for the local stock.
£389,000
Modelled from EPC, postcode comparables.
£451,980
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
27 Firth House outperforms the street on price per m² by a wide margin.
Price per m²
£8,528
Street avg £7,836
Floor Area
53 m²
Street avg 62 m²
CO₂ Emissions
0.3 t/year
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Morden Hill — bus stop.

Daytime· 07:00 – 23:00
55.9dB

3 April 2024Most recent
£451,980
Median price across the last 5 sales in SE10 8LU: £470,000 (2025–2025).
17 Firth House Juniper Crescent Lewisham London
Sold Oct 2025
30 Firth House Juniper Crescent Lewisham London
Sold Apr 2025
1 Firth House Juniper Crescent Lewisham London
Sold Mar 2025
19 Firth House Juniper Crescent Lewisham London
Sold Mar 2025
31 Firth House Juniper Crescent Lewisham London
Sold Mar 2025
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Street avg 0.4 t/year
Years Held
2 years
Street avg 2 years
SE10 8AZ
Closest school
0.2 km
Morden Mount Primary School. 69 schools nearby.
Night-time· 23:00 – 07:00
46.2dB