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Get started12 Avenue Gardens is a four-bedroom detached house in Horley (RH6 9BS). It has a recorded floor area of 141 m² (around 1518 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (September 2020) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2019. Between certificates, roof efficiency went from Average to Good. The recommended improvements would push it to C (score 76). It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
Sale prices here have outpaced England HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £692,000 is 13.4% above the 2020 sale price. At 141 m² the property is well over the postcode median (101 m² across 30 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, meaningful when judging how the property has evolved. Sold November 2020 for £610,000.
12 Avenue Gardens's carbon output runs well above what efficient homes in the postcode produce.
12 Avenue Gardens has an approved single-storey rear extension on the planning record.
1.8m garden wall of railings to front of property. (Draw No: PM03)
Price for 12 Avenue Gardens has grown more than fourfold since the 1998 starting point.
£692,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 22 years.
£610,000
Growth on file: 6.5% per year over 22 years.
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On co₂ emissions, 12 Avenue Gardens runs well behind the street norm.
Price per m²
£4,326
Street avg £4,729
Floor Area
141 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
26/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Avenue Gardens — bus stop.

Daytime· 07:00 – 23:00
48.8dB

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Changes detected from historical EPC data
Roof insulation improved
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Extension: Single storey · Rear of property
Single storey rear extension.
9 November 2020Most recent
£610,000
+122.2%over 15 years5 September 2005
£274,475
+80.6%over 6 years6 November 1998
£152,000
Median price across the last 5 sales in RH6 9BS: £570,000 (2025–2024).
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Energy costs, comparable sales, crime, schools and transport

Street avg 6 rooms
CO₂ Emissions
7.2 t/year
Street avg 5.2 t/year
RH6 9UE
Closest school
0.5 km
Oakwood School. 10 schools nearby.
Night-time· 23:00 – 07:00
40.3dB