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Get started99a is a mid-terrace house in Sidcup (DA14 4AH). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2020) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (September 2009); the latest reading is 2 bands lower. Between certificates, window efficiency went from Very Poor to Poor; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 67). At 69 m² this is the 6th smallest of 9 units on EPC record in the building, where floor areas span 37–183 m². The building's EPC ratings span G to C across 9 units on file.
Sale prices here have outpaced England HPI: 7% per year against 0% for the wider region. Today's modelled estimate of £365,000 is 11.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£440/sq ft) was about 46.4% above the typical sold price in the postcode. Sold February 2021 for £327,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 69 m² it's 16% larger than the typical home in the postcode (60 m² median across 8 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
Price for 99a has grown more than fourfold since the 1999 starting point.
£365,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 22 years.
£327,000
Growth on file: 7.0% per year over 22 years.
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On floor area, 99a stands well clear of the street.
Price per m²
£4,739
Street avg £4,353
Floor Area
69 m²
Street avg 51 m²
Habitable Rooms
4 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
0.1 km
Crescent Road (DA15) — bus stop.

Daytime· 07:00 – 23:00
52.2dB

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Changes detected from historical EPC data
Window efficiency improved
Low energy lighting percentage decreased
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17 February 2021Most recent
£327,000
+4.6%over 4 years21 July 2016
£312,500
+66.2%over 6 years19 May 2010
£188,000
+145.8%over 10 years16 July 1999
£76,500
Median price across the last 5 sales in DA14 4AH: £315,000 (2024–2019).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
4.2 t/year
Street avg 2.9 t/year
Closest school
0.1 km
Birkbeck Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
42.6dB