12 Copse Close, Horsham, RH12 5RS
About 12 Copse Close
12 Copse Close is a three-bedroom detached house in Horsham (RH12 5RS). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2015) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2011. Between certificates, roof efficiency went from Average to Very Good; while wall efficiency dropped from Average to Poor and lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £479,000 sits 75.8% above the 2011 sale of £272,500. 15 years since the last transfer (October 2011).
Know exactly what you're buying at 12 Copse Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
Building
- RefurbishedYes
Energy performance
12 Copse Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 22 Oct 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
12 Copse Close has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 12 Copse Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
12 Copse Close valuation sits well clear of the typical sold price in this postcode.
£479,000
Modelled from EPC, postcode comparables.
£272,500
Recorded with HM Land Registry.
Sales timeline
31 October 2011Most recent
£272,500
Median price across the last 5 sales in RH12 5RS: £375,000 (2024–2013).
Everything we know about 12 Copse Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Copse Close homes
EPC Rating for 12 Copse Close lags the street by a wide margin.
Price per m²
£2,500
Street avg £3,189
Floor Area
109 m²
Street avg 115 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
7.0 t/year
Street avg 5.1 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Badgers Close — bus stop.
Closest school
0.3 km
All Saints CofE Primary School, Horsham. 16 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.8dB

Night-time· 23:00 – 07:00
39.4dB