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Get started15 Brighton Road is a three-bedroom detached house in Horsham (RH13 5BD). It has a recorded floor area of 203 m² (around 2185 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (July 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced Horsham HPI: 4.5% per year against 0% for the wider region. Today's modelled estimate of £683,000 is 14.8% above the 2021 sale price. At 203 m² the property is well over the postcode median (39 m² across 13 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 loft conversion and a garage conversion, meaningful when judging how the property has evolved. Most recent transfer: March 2021 at £595,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
15 Brighton Road's carbon output runs well above what efficient homes in the postcode produce.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Conversion of loft to form habitable space with front, side and rear rooflights, and conversion of garage to form study.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£683,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 12 years.
£595,000
Growth on file: 4.5% per year over 12 years.
15 Brighton Road outperforms the street on floor area by a wide margin.
EPC Rating
64 (D)
Street avg 53 (E)
Floor Area
203 m²
Street avg 103 m²
CO₂ Emissions
7.1 t/year
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Clarence Road — bus stop.

Daytime· 07:00 – 23:00
48.8dB

Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extension
11 March 2021Most recent
£595,000
+20.2%over 5 years7 April 2015
£495,000
+43.5%over 6 years14 November 2008
£345,000
Median price across the last 5 sales in RH13 5BD: £299,000 (2025–2007).
Street avg 5.6 t/year
Habitable Rooms
7 rooms
Street avg 6 rooms
RH13 5SP
Closest school
0.6 km
St Mary's CofE (Aided) Primary School. 18 schools nearby.
Night-time· 23:00 – 07:00
40.0dB
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