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Get started12 Grasslands is a four-bedroom detached house in Smallfield, Horley, Horley (RH6 9NU). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (October 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2015. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 6.8% per year against 0% for the wider region. Today's modelled estimate of £535,000 is 21.6% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£499/sq ft) was about 149.1% above the typical sold price in the postcode. Last sold in December 2015, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property. At 82 m² it's 26.8% smaller than the typical home in the postcode (112 m² median across 23 EPCs).
12 Grasslands has more than tripled in price since its earliest registered sale in 1996.
£535,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 20 years.
£440,000
Growth on file: 6.8% per year over 20 years.
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Price per m² for 12 Grasslands runs comfortably ahead of the street norm.
Price per m²
£5,366
Street avg £3,016
Floor Area
82 m²
Street avg 113 m²
Habitable Rooms
7 rooms
Crime
26/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Broadbridge Lane — bus stop.

Daytime· 07:00 – 23:00
59.6dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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18 December 2015Most recent
£440,000
+54.4%over 10 years21 October 2005
£285,000
+3.6%over 1 year22 December 2003
£275,000
+129.2%over 7 years18 March 1996
£119,995
Median price across the last 5 sales in RH6 9NU: £450,000 (2025–2021).
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Energy costs, comparable sales, crime, schools and transport

Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.6 t/year
RH6 9HN
Closest school
0.6 km
Burstow Primary School. 6 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
50.0dB