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Get startedGarthside is a two-bedroom detached house in Horne, Horley, Horley (RH6 9JP). It has a recorded floor area of 92 m² (around 992 sq ft), construction records dating it to 1930-1949 and council tax band F. Other recorded features include a loft. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The latest certificate (March 2011) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 69). The latest certificate is from March 2011, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 3.2% per year against 0% for the wider region. Today's modelled estimate of £570,000 is 30.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£440/sq ft) was about 33.2% above the typical sold price in the postcode. Last sold in May 2015, so it's been off the market for around 11 years. At 92 m² it's 21.9% smaller than the typical home in the postcode (118 m² median across 25 EPCs). One historical planning record sits against the property in 2011.
Garthside's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 10 Mar 2021
Erection of hipped to half-hipped roof extensions to main roof with first floor window inserted into northeast gable end elevation and dormer roof extension to southeast roofslope. insertion of two rooflights in northwest roof slope. (certificate of lawfulness for a proposed development)
Garthside valuation sits well clear of the typical sold price in this postcode.
£570,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 11 years.
£437,000
Growth on file: 3.2% per year over 11 years.
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On floor area, Garthside runs well behind the street norm.
Price per m²
£4,740
Street avg £4,299
Floor Area
92 m²
Street avg 132 m²
Habitable Rooms
5 rooms
Street avg 6 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
0.2 km

Daytime· 07:00 – 23:00
44.7dB

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1 May 2015Most recent
£437,000
+40.1%over 10 years2 August 2004
£312,000
Median price across the last 5 sales in RH6 9JP: £775,000 (2025–2023).
Wycote Smallfield Road Horne Horley
Sold Feb 2025
Combe Cottage Smallfield Road Horne Horley
Sold Dec 2024
Yew Tree Cottage Smallfield Road Horne Horley
Sold Jul 2024
Red Roof Smallfield Road Horne Horley
Sold Jul 2023
Red Roof The Garden House Smallfield Road Horne Horley
Sold Jul 2023
Know what's planned nearby
Every planning application and decision on record
Check the area's flood risk
Understand the flood risk before you commit
Plus much more
Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
5.9 t/year
Street avg 6.6 t/year
RH6 9UB
Smallfield Road — bus stop.
Closest school
1.3 km
Burstow Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
36.2dB