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Get startedFlat 3 is a one-bedroom semi-detached house in Sidcup (DA14 4AA). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1900-1929 and council tax band B. At 49 m² this is the smallest unit on EPC record across the building (49–136 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (67 versus a worst of 54). Period features are noted in the property record. The latest certificate (November 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2015); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 71).
At 49 m² it sits well below the postcode median (95 m² across 8 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 91.9% above the typical sold price in the postcode. Last sale on file: £245,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£264,000
Modelled from EPC, postcode comparables.
£245,000
Recorded with HM Land Registry.
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Price per m² for Flat 3 runs comfortably ahead of the street norm.
Price per m²
£5,000
Street avg £2,173
Floor Area
49 m²
Street avg 67 m²
Habitable Rooms
2 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Granville Road — bus stop.

Daytime· 07:00 – 23:00
53.0dB

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Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
22 July 2022Most recent
£245,000
Median price across the last 5 sales in DA14 4AA: £125,000 (2023–2009).
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Energy costs, comparable sales, crime, schools and transport

Street avg 2 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.7 t/year
DA14 4BL
Closest school
0.6 km
Birkbeck Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
43.8dB