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Get started111 Birkbeck Road is a two-bedroom mid-terrace house in Sidcup (DA14 4DJ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (February 2018) shows a D (score 56), a step below the typical UK home. Earlier certificates rated it C (October 2008); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 69). Period features are noted in the property record.
Sale prices here have outpaced England HPI: 6.9% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£557/sq ft) was about 129.8% above the typical sold price in the postcode. It changed hands recently, sold August 2025 for £480,000. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved.
111 Birkbeck Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
The erection of a single storey rear extension, on the existing single storey rear extension, which would extend beyond the rear wall of the original house by 6 metres, for which the maximum height (including roof lantern) would be 2.6 metres, and for which the height of the eaves would be 2.4 metres.
Price for 111 Birkbeck Road has grown more than fourfold since the 1995 starting point.
£492,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 30 years.
£480,000
Growth on file: 6.9% per year over 30 years.
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Years Held for 111 Birkbeck Road lags the street by a wide margin.
Price per m²
£6,000
Street avg £4,640
Floor Area
80 m²
Street avg 76 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Station Road / Crescent Road — bus stop.

Daytime· 07:00 – 23:00
52.6dB

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Changes detected from historical EPC data
More low energy lighting installed
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
MVHR (mechanical ventilation with heat recovery) installed
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5 August 2025Most recent
£480,000
+17.1%over 6 years7 February 2019
£410,000
+13.9%over 2 years21 October 2016
£360,000
+140.0%over 14 years4 April 2002
£150,000
+132.6%over 6 years31 May 1995
£64,500
Median price across the last 5 sales in DA14 4DJ: £457,000 (2025–2024).
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Energy costs, comparable sales, crime, schools and transport

Street avg 4 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.9 t/year
DA14 4EW
Closest school
0.2 km
Birkbeck Primary School. 30 schools nearby.
Night-time· 23:00 – 07:00
42.9dB