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Get started21 Frognal Place is a three-bedroom semi-detached house in Sidcup (DA14 6LR). It has a recorded floor area of 79 m² (around 850 sq ft) and council tax band D. At 79 m² this is the 11th smallest of 45 units on EPC record in the building, where floor areas span 62–83 m². Other recorded features include a balcony. The latest certificate (October 2016) shows a D (score 58), a step below the typical UK home. Main heating runs on electricity: electricity, unspecified tariff.
Sale prices here have outpaced England HPI: 18.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 129.7% above the typical sold price in the postcode. Last sale on file: £315,000 in October 2020.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£321,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.5% per year over 3 years.
£315,000
Growth on file: 18.5% per year over 3 years.
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Price per m² for 21 Frognal Place runs comfortably ahead of the street norm.
Price per m²
£3,987
Street avg £2,084
Floor Area
79 m²
Street avg 78 m²
CO₂ Emissions
3.2 t/year
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Queen Mary's Hospital / Cancer Unit — bus stop.

Daytime· 07:00 – 23:00
54.9dB

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1 October 2020Most recent
£315,000
+69.4%over 3 years25 August 2017
£186,000
Median price across the last 5 sales in DA14 6LR: £153,000 (2025–2023).
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Energy costs, comparable sales, crime, schools and transport

Street avg 3.0 t/year
Years Held
6 years
Street avg 5 years
DA14 6JL
Closest school
0.2 km
Orchard Primary School. 25 schools nearby.
Night-time· 23:00 – 07:00
46.9dB