Model valuation£417,0008 Busby Close
Local market context
Holly Cottage is a four-bedroom detached house in Coolham, Horsham, Horsham (RH13 8GR). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2017) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in August 2009 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Poor to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to C (score 71), a 2-band jump. Main heating runs on oil. Period features are noted in the property record. Records show the property has been extended at some point in its history.
It hasn't traded since March 2010, a hold of 16 years that's notably long for the area. Across 1997–2010, sale prices on this property compounded at 7.8% per year. Today's modelled estimate of £658,000 sits 88% above the 2010 sale of £350,000. On a £-per-square-foot basis, the last sale (£205/sq ft) was about 25.1% below the postcode norm. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 159 m² it's 27.2% larger than the typical home in the postcode (125 m² median across 15 EPCs).
Holly Cottage's carbon output runs well above what efficient homes in the postcode produce.
Certificate validity
Valid until 11 June 2027
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Holly Cottage has been extended on multiple sides of the property across separate planning applications.
4 applications on record at Holly Cottage, Brooks Green Road, Coolham, Horsham, RH13 8GR
Extension: Two storey · Rear of property
2-storey extension to rear elevation
+ 1 more application in the report
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Holly Cottage has more than doubled in price since the earliest registered sale in 1997.
£658,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 13 years.
£350,000
Growth on file: 7.8% per year over 13 years.
11 March 2010Most recent
£350,000
+23.7%over 7 years6 December 2002
£283,000
+109.6%over 5 years20 July 1997
£135,000
Median price across the last 5 sales in RH13 8GR: £575,000 (2026–2023).
2 Baileys Cottages, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold May 2026
Baytrees, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Oct 2025
Mill House, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Aug 2025
Mill Cottage, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold May 2025
Oak Cottage, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Mar 2021
On habitable rooms, Holly Cottage stands well clear of the street.
Price per m²
£2,201
Street avg £3,758
Floor Area
159 m²
Street avg 139 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
8.4 t/year
Street avg 8.0 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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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
0.2 km
Crossroads — bus stop.
Closest school
0.0 km
William Penn School. 2 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.

Daytime· 07:00 – 23:00
47.3dB

Night-time· 23:00 – 07:00
40.8dB