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Get started25 Langdon Shaw is a three-bedroom semi-detached house in Sidcup (DA14 6AX). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2021) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 84). Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £526,000 is 15.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£486/sq ft) was about 46.9% above the typical sold price in the postcode. Most recent transfer: June 2021 at £455,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
A a loft conversion application was refused at 25 Langdon Shaw in 2021.
Extension: Single storey · Rear of property
Single storey rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£526,000
Modelled from EPC, postcode comparables.
£455,000
Recorded with HM Land Registry.
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25 Langdon Shaw is notably below the street on floor area.
Price per m²
£5,230
Street avg £4,125
Floor Area
87 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Leas Green — bus stop.

Daytime· 07:00 – 23:00
56.6dB

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Extension: Single storey · Rear of property
Single storey rear extension, alteration to the roof to provide rooms in roof space and insertion of skylight to front roof slope.
29 June 2021Most recent
£455,000
Median price across the last 5 sales in DA14 6AX: £325,000 (2025–2023).
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Every planning application and decision on record
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
3.1 t/year
Street avg 4.7 t/year
DA14 6LH
Closest school
0.5 km
Chislehurst School for Girls. 29 schools nearby.
Night-time· 23:00 – 07:00
48.9dB