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Get started23 Langdon Shaw is a three-bedroom semi-detached house in Sidcup (DA14 6AX). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (October 2015) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £523,000 is 29% above the 2019 sale price. Most recent transfer: April 2019 at £405,500.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 13 Oct 2025
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Rear of property
First floor rear extension and alterations to rear and side fenestration.
23 Langdon Shaw valuation sits well clear of the typical sold price in this postcode.
£523,000
Modelled from EPC, postcode comparables.
£405,500
Recorded with HM Land Registry.
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Price per m²
£3,937
Street avg £4,309
Floor Area
103 m²
Street avg 107 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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Lawful Development Certificate (Proposed) for the conversion of roof space involving alterations to existing roofline, including a hip to gable enlargement, a rear dormer extension, a window to flank roofslope and rooflights to front/side roofslopes.
18 April 2019Most recent
£405,500
Median price across the last 5 sales in DA14 6AX: £325,000 (2025–2023).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
4.8 t/year
Street avg 4.6 t/year
DA14 6LH
Closest school
0.5 km
Chislehurst School for Girls. 29 schools nearby.
Night-time· 23:00 – 07:00
48.9dB