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Get started18 Haven Close is a three-bedroom semi-detached house in Sidcup (DA14 5DY). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2020) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
At 94 m² the property is well over the postcode median (66 m² across 31 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). One planning record on file: new windows approved in 2021. Past consents include new windows, meaningful when judging how the property has evolved. Today's modelled estimate of £420,000 is 17.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£353/sq ft) was about 49.7% above the typical sold price in the postcode. Most recent transfer: June 2021 at £357,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
18 Haven Close's carbon output runs well above what efficient homes in the postcode produce.
Lawful Development Certificate (Proposed) for alterations to doors and windows on rear and side elevations due to internal alterations.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£420,000
Modelled from EPC, postcode comparables.
£357,000
Recorded with HM Land Registry.
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18 Haven Close is notably below the street on epc rating.
Price per m²
£3,798
Street avg £3,410
Floor Area
94 m²
Street avg 64 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Crittalls Corner — bus stop.

Daytime· 07:00 – 23:00
58.4dB

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18 June 2021Most recent
£357,000
Median price across the last 5 sales in DA14 5DY: £330,000 (2024–2020).
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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
6.9 t/year
Street avg 3.2 t/year
DA14 5LY
Closest school
0.4 km
Kemnal Technology College. 24 schools nearby.
Night-time· 23:00 – 07:00
50.7dB