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Get started20 Amberley Court is a semi-detached house in Sidcup (DA14 6JT). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1967-1975 and council tax band C. At 37 m² this is the smallest unit on EPC record across the building (37–122 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2019) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since June 2015. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Average to Good; while roof efficiency dropped from Very Good to Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 75), a 2-band jump.
Sale prices here have outpaced England HPI: 32.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£490/sq ft) was about 78.7% above the typical sold price in the postcode. At 37 m² it's 28.8% smaller than the typical home in the postcode (52 m² median across 26 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). 10 years since the last transfer (November 2016).
Recommended upgrades on file would lift this property by multiple EPC bands.
20 Amberley Court changed hands twice within eighteen months — unusual for the area.
£213,000
Modelled from EPC, postcode comparables and a sale-price growth of 32.8% per year over 1 year.
£195,000
Growth on file: 32.8% per year over 1 year.
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On floor area, 20 Amberley Court runs well behind the street norm.
Price per m²
£5,270
Street avg £3,727
Floor Area
37 m²
Street avg 53 m²
Habitable Rooms
4 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sidcup Hill / Cray Road — bus stop.

Daytime· 07:00 – 23:00
51.7dB

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Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
7 November 2016Most recent
£195,000
+30.0%over 11 months8 December 2015
£150,000
+3.4%23 October 2015
£145,000
Median price across the last 5 sales in DA14 6JT: £275,000 (2025–2022).
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Energy costs, comparable sales, crime, schools and transport

Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.2 t/year
Closest school
0.1 km
Hope Community School. 21 schools nearby.
Night-time· 23:00 – 07:00
44.2dB