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Get started42 Reddown Road is a four-bedroom end-of-terrace house in Coulsdon (CR5 1AX). It has a recorded floor area of 29 m² (around 312 sq ft), construction records dating it to 1983-1990 and council tax band F. At 29 m² this is the smallest unit on EPC record across the building (29–192 m²). The building's EPC ratings span F to B across 31 units on file. Our model identifies extension potential, subject to local planning policy. The latest certificate (October 2022) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 4 certificates since August 2011. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on to be used only when there is no heating/hot.
Sale prices here have outpaced England HPI: 6.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£2,130/sq ft) was about 778.3% above the typical sold price in the postcode. At 29 m² it sits well below the postcode median (85 m² across 30 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). Most recent transfer: December 2020 at £665,000. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved.
Recommended upgrades on file would lift this property by multiple EPC bands.
42 Reddown Road has an approved rear extension on the planning record.
Extension: Rear of property
Proposed ground floor and lower ground floor level rear extension with raised platform and stepped access to rear garden
Price for 42 Reddown Road has grown more than fourfold since the 1997 starting point.
£721,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 23 years.
£665,000
Growth on file: 6.6% per year over 23 years.
Price per m² for 42 Reddown Road runs comfortably ahead of the street norm.
Price per m²
£22,931
Street avg £4,906
Floor Area
29 m²
Street avg 53 m²
Habitable Rooms
1 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
Coulsdon South Rail Station — railway station.

Daytime· 07:00 – 23:00
54.4dB

Changes detected from historical EPC data
Heating system changed
Hot water system changed
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Upgraded to gas central heating
Hot water system upgraded
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Cavity wall insulation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
10 December 2020Most recent
£665,000
+25.5%over 5 years15 January 2015
£530,000
+23.3%over 2 years22 March 2012
£430,000
+186.8%over 14 years5 September 1997
£149,950
Median price across the last 5 sales in CR5 1AX: £510,000 (2025–2022).
Street avg 2 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.1 t/year
CR5 1EZ
Closest school
0.6 km
Smitham Primary School. 14 schools nearby.
Night-time· 23:00 – 07:00
45.1dB
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