13 Thornden, Cowfold, Horsham, RH13 8AG
About 13 Thornden
13 Thornden is a five-bedroom detached house in Cowfold, Horsham, Horsham (RH13 8AG). It has a recorded floor area of 191 m² (around 2056 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (May 2013) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Main heating runs on oil. The latest certificate is from May 2013, so improvements made since then won't be reflected. Other recorded features include attached land beyond the plot. The home occupies a cul-de-sac position.
At 191 m² the property is well over the postcode median (109 m² across 12 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 12 years ago, in February 2014. Across 1998–2014, sale prices on this property compounded at 6% per year. Today's modelled estimate of £903,000 is 37.9% above the 2014 sale price.
What this property has
Inside
- Bedrooms5
- EnsuiteYes
Outside
- LandYes
- Cul-de-sacYes
Energy performance
13 Thornden'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This certificate is over 10 years old and is no longer valid.Expired 27 May 2023
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
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Planning history
Council records include a two-storey side extension at 13 Thornden.
1 application on record at 13 Thornden, Cowfold, Horsham, RH13 8AG
- Oct 2017ExtensionFullOutcome in report
Extension: Two storey · Side of property
Erection of pitched roof two storey side extension, with integral garage at ground floor level and laying of additional hardstanding for access
- Documents
- 15 docs on file
- Reference
- DC/17/1632
Unlock 13 Thornden, Cowfold, Horsham, RH13 8AG'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- Every decision — granted, refused or withdrawn (1 on record)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 9 notable nearby
- The 15 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 1998.
£903,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 16 years.
£655,000
Growth on file: 6.0% per year over 16 years.
Sales timeline
19 February 2014Most recent
£655,000
+152.9%over 15 years29 April 1998
£259,000
Median price across the last 5 sales in RH13 8AG: £560,000 (2025–2021).
Nearby sales in RH13 8AG
35 Thornden, Cowfold, Horsham, RH13 8AG
Sold Mar 2025
£560,00037 Thornden, Cowfold, Horsham, RH13 8AG
Sold Feb 2025
£532,50033 Thornden, Cowfold, Horsham, RH13 8AG
Sold Aug 2023
£550,00011 Thornden, Cowfold, Horsham, RH13 8AG
Sold Jun 2021
£675,00031 Thornden, Cowfold, Horsham, RH13 8AG
Sold Jan 2021
£560,000
Versus other Thornden homes
On habitable rooms, 13 Thornden stands well clear of the street.
Price per m²
£3,429
Street avg £5,710
Floor Area
191 m²
Street avg 119 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
8.1 t/year
Street avg 6.3 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Brook Farm — bus stop.
Closest school
0.3 km
St Peter's CofE (Aided) Primary School. 1 school 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
49.6dB

Night-time· 23:00 – 07:00
43.4dB







