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Get started21 Crowborough Drive is a four-bedroom semi-detached house in Warlingham (CR6 9SJ). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2021) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced England HPI: 6.7% per year against 0% for the wider region. At 121 m² the property is well over the postcode median (82 m² across 14 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a conservatory and a loft conversion, meaningful when judging how the property has evolved. Last sale on file: £565,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
21 Crowborough Drive has more than quadrupled in price since its earliest registered sale in 1996.
£609,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 25 years.
£565,000
Growth on file: 6.7% per year over 25 years.
On floor area, 21 Crowborough Drive stands well clear of the street.
Price per m²
£4,669
Street avg £4,503
Floor Area
121 m²
Street avg 91 m²
Habitable Rooms
6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.6dB

Extension: Rear of property
Erection of conservatory to rear elevation.
Formation of rear dormer window to serve loft conversion.
29 June 2021Most recent
£565,000
+391.3%over 24 years28 October 1996
£115,000
Median price across the last 5 sales in CR6 9SJ: £472,000 (2025–2017).
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 4.7 t/year
CR6 9BL
Sainsbury's — bus stop.
Closest school
0.4 km
Warlingham Village Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
38.4dB
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