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Get started17 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. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a balcony. At 53 m² this is the 2nd smallest of 34 units on EPC record in the building, where floor areas span 46–65 m². The latest certificate (November 2023) returns a high B (score 86), putting the home a stone's throw from an A rating.
Sale prices here have lagged London HPI: -9.3% per year against -1% for the wider region. A recent sale: £370,000 in October 2025. At 53 m² it's 18.5% smaller than the typical home in the postcode (65 m² median across 33 EPCs).
17 Firth House's carbon output is low for the local stock.
£370,000
Modelled from EPC, postcode comparables and a sale-price growth of -9.3% per year over 2 years.
£370,000
Growth on file: -9.3% per year over 2 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
On years held, 17 Firth House runs well behind the street norm.
Price per m²
£6,981
Street avg £7,898
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

31 October 2025Most recent
£370,000
-14.5%over 1 year28 March 2024
£432,500
Median price across the last 5 sales in SE10 8LU: £470,000 (2025–2025).
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
7 Firth House Juniper Crescent Lewisham London
Sold Mar 2025
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Street avg 0.4 t/year
Years Held
1 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