21 Churchill Avenue, Horsham, RH12 2JP
About 21 Churchill Avenue
21 Churchill Avenue is a three-bedroom semi-detached house in Horsham (RH12 2JP). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2016) shows an F (score 34), near the bottom of the EPC scale. Earlier certificates rated it E (September 2012); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Very Poor to Poor; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to A (score 95), a 5-band jump. Other recorded features include a loft. The home occupies a corner plot.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £525,000 sits 64.1% above the 2012 sale of £320,000. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. 14 years since the last transfer (November 2012).
What this property has
Inside
- Bedrooms3
- Dining roomYes
- StudyYes
- LoftYes
Outside
- GarageYes
- Corner plotYes
Energy performance
21 Churchill Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 31 October 2026
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
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Planning history
21 Churchill Avenue has an approved single-storey side and rear extension on the planning record.
1 application on record at 21 Churchill Avenue, Horsham, RH12 2JP
- May 2024ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extension.
- Documents
- 11 docs on file
- Reference
- DC/24/0418
Unlock 21 Churchill Avenue, Horsham, RH12 2JP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21 Churchill Avenue valuation sits well clear of the typical sold price in this postcode.
£525,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
22 November 2012Most recent
£320,000
Median price across the last 5 sales in RH12 2JP: £471,350 (2025–2021).
Nearby sales in RH12 2JP
Versus other Churchill Avenue homes
21 Churchill Avenue outperforms the street on years held by a wide margin.
Price per m²
£3,404
Street avg £4,700
Floor Area
94 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
8.3 t/year
Street avg 4.0 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
Farm Avenue — bus stop.
Closest school
0.2 km
Greenway Junior School. 19 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
50.9dB

Night-time· 23:00 – 07:00
41.9dB







