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Get startedFlat 1 is a two-bedroom detached house in Sidcup (DA14 4BT). It has a recorded floor area of 59 m² (around 635 sq ft). The latest certificate (July 2017) returns a B (score 83), comfortably above the UK average. At 59 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 54–122 m². On EPC score it ranks last in the building (83 versus a best of 87).
Sale prices here have outpaced England HPI: 2.2% per year against 0% for the wider region. Today's modelled estimate of £349,000 is 10.5% below the 2022 sale of £390,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£614/sq ft) was about 81% above the typical sold price in the postcode. Most recent transfer: December 2022 at £390,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Flat 1's carbon output is low for the local stock.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£349,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.2% per year over 5 years.
£390,000
Growth on file: 2.2% per year over 5 years.
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Price per m² for Flat 1 runs comfortably ahead of the street norm.
Price per m²
£6,610
Street avg £4,930
Floor Area
59 m²
Street avg 57 m²
CO₂ Emissions
0.9 t/year
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
Granville Road — bus stop.

Daytime· 07:00 – 23:00
52.6dB

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14 December 2022Most recent
£390,000
+11.4%over 5 years23 November 2017
£350,000
Median price across the last 5 sales in DA14 4BT: £300,000 (2025–2022).
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Energy costs, comparable sales, crime, schools and transport

Street avg 2.8 t/year
Years Held
3 years
Street avg 8 years
DA14 4BL
Closest school
0.5 km
Birkbeck Primary School. 28 schools nearby.
Night-time· 23:00 – 07:00
43.1dB