39 Thornden, Cowfold, Horsham, RH13 8AG
About 39 Thornden
39 Thornden is a four-bedroom detached house in Cowfold, Horsham, Horsham (RH13 8AG). It has a recorded floor area of 230 m² (around 2476 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (August 2025) shows a D (score 58), a step below the typical UK home. When first surveyed in October 2017 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good; while lighting dropped from Very Good to Good. Main heating runs on oil.
At 230 m² the property is well over the postcode median (109 m² across 12 EPCs), placing it in the larger end of the local stock. Across 1995–2018, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £825,000 is 44.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£230/sq ft) was about 36.5% below the postcode norm. Most recent transfer: July 2018 at £570,000. One historical planning record sits against the property in 2009.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
Outside
- Private gardenWest-facing
- GarageYes
Building
- Central heatingYes
- RefurbishedYes
Energy performance
39 Thornden's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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.
From £1,360 · Includes VAT
Planning history
1 application on record at 39 Thornden, Cowfold, Horsham, RH13 8AG
- Oct 2009MixedFullOutcome in report
Replacement of 3 dormer windows with 1 and demolition of 1 garage
- Documents
- 11 docs on file
- Reference
- DC/09/1600
Unlock 39 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- Every decision — granted, refused or withdrawn (1 on record)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 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 39 Thornden has grown more than fourfold since the 1995 starting point.
£825,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 23 years.
£570,000
Growth on file: 6.3% per year over 23 years.
Sales timeline
18 July 2018Most recent
£570,000
+36.4%over 10 years11 October 2007
£418,000
+207.4%over 12 years21 February 1995
£136,000
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 price per m², 39 Thornden runs well behind the street norm.
Price per m²
£2,478
Street avg £5,789
Floor Area
230 m²
Street avg 116 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
9.3 t/year
Street avg 6.2 t/year
Similar properties nearby
1 Carylls Meadow, West Grinstead
RH13 8HW
1 Church Gate, Red Lane, Shipley
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1 Coach House Mews, Horsham Road, Cowfold
RH13 8BU
1 Bowshotts Cottages, Cowfold Road, West Grinstead
RH13 8LY
1 Butchers Row, West Grinstead
RH13 8NF
1 Barrack Cottages, Brighton Road, Shermanbury
RH13 8HQ
1 Champions Gate Cottages, Cowfold Road, West Grinstead
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1 Buckwood Cottages, Worthing Road, West Grinstead
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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







