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Get started40i is a semi-detached house in Sidcup (DA14 4AS). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1976-1982 and council tax band B. At 28 m² this is the 4th smallest of 37 units on EPC record in the building, where floor areas span 27–84 m². The building's EPC ratings span E to B across 37 units on file. The latest certificate (January 2025) shows a C (score 69), just inside the C band.
Sale prices here have outpaced England HPI: 6.3% per year against 0% for the wider region. Today's modelled estimate of £174,000 is 28.9% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£448/sq ft) was about 55.1% above the typical sold price in the postcode. At 28 m² it sits well below the postcode median (56 m² across 36 EPCs), making it one of the more compact homes locally. On the market in July 2015 and unlisted since — roughly 11 years.
40i's carbon output is low for the local stock.
40i has more than doubled in price since the earliest registered sale in 2002.
£174,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 13 years.
£135,000
Growth on file: 6.3% per year over 13 years.
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On habitable rooms, 40i runs well behind the street norm.
Price per m²
£4,821
Street avg £4,203
Floor Area
28 m²
Street avg 55 m²
Habitable Rooms
1 rooms
Street avg 3 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
52.5dB

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31 July 2015Most recent
£135,000
+17.4%over 8 years16 March 2007
£115,000
+85.5%over 4 years14 October 2002
£62,000
Median price across the last 5 sales in DA14 4AS: £295,000 (2024–2021).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
1.4 t/year
Street avg 2.2 t/year
DA14 4PZ
Closest school
0.3 km
Birkbeck Primary School. 30 schools nearby.
Night-time· 23:00 – 07:00
42.9dB