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Get startedThornthwaite Cottage is a detached house in Maplehurst, Horsham, Horsham (RH13 6QY). It has a recorded floor area of 249 m² (around 2677 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (March 2010) shows an E (score 42), well below the UK norm with real room to improve. Main heating runs on lpg. The latest certificate is from March 2010, so improvements made since then won't be reflected.
It hasn't traded since July 2010, a hold of 16 years that's notably long for the area. Today's modelled estimate of £1,081,000 sits 83.2% above the 2010 sale of £590,000. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 24.4% below the postcode norm. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved.
Thornthwaite Cottage's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 08 Mar 2020
Extension: Single storey
First floor extension on top of existing single storey structure and replacement detached garage
Thornthwaite Cottage valuation sits well clear of the typical sold price in this postcode.
£1,081,000
Modelled from EPC, postcode comparables.
£590,000
Recorded with HM Land Registry.
Price per m² for Thornthwaite Cottage lags the street by a wide margin.
Price per m²
£2,372
Street avg £3,585
Floor Area
249 m²
Street avg 242 m²
Habitable Rooms
8 rooms
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
0.5 km

Daytime· 07:00 – 23:00
42.9dB

30 July 2010Most recent
£590,000
Median price across the last 5 sales in RH13 6QY: £1,350,000 (2025–2019).
Brook Lodge Copsale Road Maplehurst Horsham
Sold Mar 2025
Shuckers Farm Copsale Road Maplehurst Horsham
Sold Sept 2023
Shuckers Farm House Copsale Road Maplehurst Horsham
Sold Apr 2023
Woodfield Copsale Road Maplehurst Horsham
Sold Oct 2020
Sheepwash Farm Copsale Road Maplehurst Horsham
Sold Jul 2019
Street avg 8 rooms
CO₂ Emissions
7.8 t/year
Street avg 9.7 t/year
RH13 6SF
New Brook Farm — bus stop.
Closest school
1.8 km
St Andrew's CofE Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
35.7dB
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