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Get startedMill House is a four-bedroom semi-detached house in Coolham, Horsham, Horsham (RH13 8GR). It has a recorded floor area of 215 m² (around 2314 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (May 2019) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2016. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Poor to Very Good and main heating went from Poor to Average. Main heating runs on oil. Other recorded features include notable views. Period features are noted in the property record.
Sale prices here have outpaced Horsham HPI: 6.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£350/sq ft) was about 72.5% above the typical sold price in the postcode. At 215 m² the property is well over the postcode median (112 m² across 15 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Most recent transfer: August 2019 at £810,000.
Mill House's carbon output runs well above what efficient homes in the postcode produce.
New external wall with doorway to enclose existing rear lobby
Mill House valuation sits well clear of the typical sold price in this postcode.
£863,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 3 years.
£810,000
Growth on file: 6.7% per year over 3 years.
On floor area, Mill House stands well clear of the street.
Price per m²
£3,767
Street avg £3,489
Floor Area
215 m²
Street avg 130 m²
Habitable Rooms
7 rooms
Street avg 6 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
0.2 km
Crossroads — bus stop.

Daytime· 07:00 – 23:00
47.3dB

Changes detected from historical EPC data
Hot water system upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar water heating installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Erection of a wall with doorway to enclose rear lobby (Certificate of Lawful Development - Proposed)
29 August 2019Most recent
£810,000
+20.0%over 2 years2 November 2016
£675,000
Median price across the last 5 sales in RH13 8GR: £610,000 (2025–2017).
Baytrees Brooks Green Road Coolham Horsham
Sold Oct 2025
Oak Cottage Brooks Green Road Coolham Horsham
Sold Mar 2021
Lower Barn Brooks Green Road Coolham Horsham
Sold Oct 2020
Baileys Brooks Green Road Coolham Horsham
Sold Oct 2017
2 Baileys Cottages Brooks Green Road Coolham Horsham
Sold Feb 2015
CO₂ Emissions
8.1 t/year
Street avg 8.0 t/year
RH13 8PH
Closest school
0.0 km
William Penn School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.8dB
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