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Get started17 Diana Close is a four-bedroom semi-detached house in Sidcup (DA14 4PZ). It has a recorded floor area of 118 m² (around 1270 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (October 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 3 certificates since November 2010. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to B (score 86). Records show the property has been extended at some point in its history.
At 118 m² the property is well over the postcode median (73 m² across 22 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2011. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £627,000 is 15.7% above the 2021 sale price. Most recent transfer: December 2021 at £542,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Council records include a two-storey side and rear extension at 17 Diana Close.
Extension: Two storey · Side and rear of property
Two storey side and rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£627,000
Modelled from EPC, postcode comparables.
£542,000
Recorded with HM Land Registry.
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Habitable Rooms for 17 Diana Close runs comfortably ahead of the street norm.
EPC Rating
76 (C)
Street avg 74 (C)
Floor Area
118 m²
Street avg 80 m²
CO₂ Emissions
2.8 t/year
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Kimberley Drive — bus stop.

Daytime· 07:00 – 23:00
48.3dB

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Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 December 2021Most recent
£542,000
Median price across the last 2 sales in DA14 4PZ: £426,895 (2025–2021).
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Street avg 2.3 t/year
Habitable Rooms
6 rooms
Street avg 4 rooms
DA14 4DG
Closest school
0.4 km
Royal Park Primary Academy. 27 schools nearby.
Night-time· 23:00 – 07:00
39.3dB