27 Thornden, Cowfold, Horsham, RH13 8AG
About 27 Thornden
27 Thornden is a three-bedroom detached house in Cowfold, Horsham, Horsham (RH13 8AG). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2014) shows an F (score 30), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 73), a 3-band jump. Main heating runs on lpg. The latest certificate is from June 2014, so improvements made since then won't be reflected.
At 43 m² it sits well below the postcode median (119 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £820,000 sits 78.6% above the 2014 sale of £459,250. On a £-per-square-foot basis, the last sale (£992/sq ft) was about 193.3% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and a loft conversion, meaningful when judging how the property has evolved. Last sold in August 2014, so it's been off the market for around 12 years.
What this property has
Inside
- Bedrooms3
Energy performance
27 Thornden sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Jun 2024
EPC Rating
Certificate validity
Expired on 10 June 2024
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
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 27 Thornden, Cowfold, Horsham, RH13 8AG
- Apr 2015Loft ConversionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension and loft conversion with internal alterations and dormers
Extension- Documents
- 13 docs on file
- Reference
- DC/14/2685
- More recent applications — locked
- PorchApr 2016Decision
Unlock 27 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 9 notable nearby
- The 20 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
27 Thornden valuation sits well clear of the typical sold price in this postcode.
£820,000
Modelled from EPC, postcode comparables.
£459,250
Recorded with HM Land Registry.
Sales timeline
27 August 2014Most recent
£459,250
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
27 Thornden is notably below the street on epc rating.
Price per m²
£10,680
Street avg £5,105
Floor Area
43 m²
Street avg 131 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 6.7 t/year
Similar properties nearby
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1 Alley Groves, Cowfold
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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
118/mo
Falling 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







