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Get started9 Gresswell Close is a two-bedroom semi-detached house in Sidcup (DA14 4AP). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2019) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Average and main heating went from Poor to Average; while roof efficiency dropped from Good to Average and lighting dropped from Poor to Very Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity.
Sale prices here have outpaced England HPI: 4.7% per year against 0% for the wider region. Today's modelled estimate of £311,000 is 11.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£482/sq ft) was about 65.6% above the typical sold price in the postcode. A recent sale: £280,000 in May 2025.
Sale price has at least doubled since 2002.
£311,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 23 years.
£280,000
Growth on file: 4.7% per year over 23 years.
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Years Held for 9 Gresswell Close lags the street by a wide margin.
Price per m²
£5,185
Street avg £3,643
Floor Area
54 m²
Street avg 54 m²
Habitable Rooms
2 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
0.2 km
Station Road / Crescent Road — bus stop.

Daytime· 07:00 – 23:00
52.6dB

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Changes detected from historical EPC data
Heating system changed
Heating controls changed
Hot water efficiency improved
Cavity wall insulation installed
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2 May 2025Most recent
£280,000
+190.2%over 23 years21 January 2002
£96,500
Median price across the last 5 sales in DA14 4AP: £297,000 (2024–2019).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
3.8 t/year
Street avg 3.9 t/year
DA14 4EU
Closest school
0.2 km
Birkbeck Primary School. 31 schools nearby.
Night-time· 23:00 – 07:00
43.0dB