1a, Ashleigh Road, Horsham, RH12 2LE
About 1a
1a is a detached house in Horsham (RH12 2LE). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (September 2024) shows a C (score 71). When first surveyed in November 2020 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81).
At 160 m² the property is well over the postcode median (109 m² across 14 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). Most recent transfer was May 2025 at £907,500 — fresh data. 8 planning records sit against the property, 8 approved, 0 refused. Past consents include an extension, a garage conversion and tree works, meaningful when judging how the property has evolved. Across 2021–2025, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£527/sq ft) was about 117% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 4 September 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Glazing upgraded to newer, more efficient type
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Planning history
1a has been through 8 approved planning applications — a well-evolved property.
8 applications on record at 1a, Ashleigh Road, Horsham, RH12 2LE
- Jun 2003Tree WorksTreesOutcome in report
Surgery on 1 beech treeSite: 1A Ashleigh Road Horsham
- Reference
- HU/151/03
- More recent applications — locked
- Garage ConversionOct 2025Decision
- Garage ConversionSept 2025Decision
+ 5 more applications in the report
Unlock 1a, Ashleigh Road, Horsham, RH12 2LE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (8 on record)
- All 8 applications on this property in full, plus 4 notable nearby
- The 45 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1a valuation sits well clear of the typical sold price in this postcode.
£891,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 4 years.
£907,500
Growth on file: 5.3% per year over 4 years.
Sales timeline
15 May 2025Most recent
£907,500
+22.6%over 3 years24 May 2021
£740,000
Median price across the last 5 sales in RH12 2LE: £442,500 (2025–2021).
Nearby sales in RH12 2LE
Versus other Ashleigh Road homes
Price per m² for 1a runs comfortably ahead of the street norm.
Price per m²
£5,672
Street avg £3,623
Floor Area
160 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
276/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
April Close — bus stop.
Closest school
0.4 km
The College of Richard Collyer In Horsham. 21 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.2dB

Night-time· 23:00 – 07:00
40.2dB







