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Get started11 Denberry Drive is a five-bedroom detached house in Sidcup (DA14 4LB). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2022) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Other recorded features include a self-contained annexe and a loft. Period features are noted in the property record. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The home occupies a cul-de-sac position.
One planning record on file: an extension approved in 2023. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). On a £-per-square-foot basis, the last sale (£608/sq ft) was about 38.5% above the typical sold price in the postcode. Sold October 2022 for £930,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
11 Denberry Drive's carbon output runs well above what efficient homes in the postcode produce.
Extension: Single storey · Rear of property
Erection of a front porch, conversion of garage to habitable room, alterations to rear fenestration including a roof lantern above existing rear extension and addition of sliding doors.
Latest sale on 11 Denberry Drive was the highest on Land Registry record across the postcode.
£908,000
Modelled from EPC, postcode comparables.
£930,000
Recorded with HM Land Registry.
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On epc rating, 11 Denberry Drive runs well behind the street norm.
Price per m²
£6,549
Street avg £4,912
Floor Area
142 m²
Street avg 131 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Farwell Road — bus stop.

Daytime· 07:00 – 23:00
50.5dB

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28 October 2022Most recent
£930,000
Median price across the last 5 sales in DA14 4LB: £750,000 (2025–2012).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
9.5 t/year
Street avg 5.4 t/year
DA14 4DG
Closest school
0.5 km
Cleeve Park School. 28 schools nearby.
Night-time· 23:00 – 07:00
40.0dB