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Get started14 Arne Grove is a four-bedroom semi-detached house in Horley (RH6 8DQ). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2015) shows a C (score 69), just inside the C band. When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, window efficiency went from Average to Good and lighting went from Poor to Good. The recommended improvements would push it to B (score 84). The latest certificate is from October 2015, so improvements made since then won't be reflected. Other recorded features include outbuildings.
Sale prices here have outpaced England HPI: 6.6% per year against 0% for the wider region. Today's modelled estimate of £503,000 is 14.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£413/sq ft) was about 35.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. At 99 m² it's 20.7% larger than the typical home in the postcode (82 m² median across 13 EPCs). Sold September 2021 for £440,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
This certificate is over 10 years old and is no longer valid.Expired 09 Oct 2025
Proposed garage conversion with raised roof
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£503,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 9 years.
£440,000
Growth on file: 6.6% per year over 9 years.
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Years Held for 14 Arne Grove lags the street by a wide margin.
Price per m²
£4,444
Street avg £4,464
Floor Area
99 m²
Street avg 87 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
26/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.0dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
More low energy lighting installed
Hot water system upgraded
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Proposed garage conversion with raised roof
9 September 2021Most recent
£440,000
+76.0%over 8 years23 November 2012
£250,000
Median price across the last 5 sales in RH6 8DQ: £431,000 (2025–2018).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
3.5 t/year
Street avg 3.5 t/year
RH6 8HS
Knowles Road — bus stop.
Closest school
0.4 km
Westvale Park Primary Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
38.5dB