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Get started15 Holmbury Manor is a two-bedroom semi-detached house in Sidcup (DA14 6DF). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (February 2022) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2011. Between certificates, wall efficiency dropped from Average to Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 76). At 68 m² this is the 17th smallest of 18 units on EPC record in the building, where floor areas span 41–70 m². The building's EPC ratings span G to C across 18 units on file. Other recorded features include a balcony.
Sale prices here have outpaced England HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £311,000 is 19.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£355/sq ft) was about 29.2% above the typical sold price in the postcode. At 68 m² the property is well over the postcode median (50 m² across 17 EPCs), placing it in the larger end of the local stock. On the market in January 2016 and unlisted since — roughly 10 years.
15 Holmbury Manor has more than tripled in price since its earliest registered sale in 1996.
£311,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 20 years.
£260,000
Growth on file: 6.9% per year over 20 years.
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Floor Area for 15 Holmbury Manor runs comfortably ahead of the street norm.
Price per m²
£3,824
Street avg £4,032
Floor Area
68 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Green Sidcup — bus stop.

Daytime· 07:00 – 23:00
53.7dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
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29 January 2016Most recent
£260,000
+271.4%over 19 years24 May 1996
£70,000
Median price across the last 5 sales in DA14 6DF: £300,000 (2025–2023).
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Energy costs, comparable sales, crime, schools and transport

Street avg 3 rooms
CO₂ Emissions
3.6 t/year
Street avg 2.4 t/year
DA14 6JT
Closest school
0.7 km
Orchard Primary School. 32 schools nearby.
Night-time· 23:00 – 07:00
44.9dB