Acorn House, Brooks Green Road, Coolham, Horsham, RH13 8GR
About Acorn House
Acorn House is a four-bedroom detached house in Coolham, Horsham, Horsham (RH13 8GR). It has a recorded floor area of 164 m² (around 1765 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (March 2022) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. Main heating runs on oil. Other recorded features include notable views. Records show the property has been extended at some point in its history.
Held since May 2003 — that's 23 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. At 164 m² the property is well over the postcode median (112 m² across 15 EPCs), placing it in the larger end of the local stock. Across 1995–2003, sale prices on this property compounded at 15.2% per year. Today's modelled estimate of £685,000 sits 94.3% above the 2003 sale of £352,500. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 31% below the postcode norm. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff road
- Notable viewsYes
Building
- Previously extendedYes
Energy performance
Acorn House's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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 £1,155 · Includes VAT
Planning history
Acorn House has an approved single-storey rear extension on the planning record.
1 application on record at Acorn House, Brooks Green Road, Coolham, Horsham, RH13 8GR
- May 2023ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Part demolition of ground floor rear wall and removal of existing lean-to. Erection of a single storey rear extension including alterations to rear and side extension walls and roof.
- Documents
- 18 docs on file
- Reference
- DC/23/0371
Unlock Acorn House, Brooks Green Road, Coolham, Horsham, RH13 8GR'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 18 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Acorn House has more than tripled in price since its earliest registered sale in 1995.
£685,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.2% per year over 8 years.
£352,500
Growth on file: 15.2% per year over 8 years.
Sales timeline
7 May 2003Most recent
£352,500
+107.4%over 5 years23 January 1998
£170,000
+4.3%over 7 months6 July 1997
£163,000
+38.7%over 1 year8 August 1995
£117,500
Median price across the last 5 sales in RH13 8GR: £610,000 (2025–2019).
Nearby sales in RH13 8GR
Baytrees, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Oct 2025
£610,000Oak Cottage, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Mar 2021
£375,000Lower Barn, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Oct 2020
£1,292,000Mill House, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Aug 2019
£810,000Baileys, Brooks Green Road, Coolham, Horsham, RH13 8GR
Sold Oct 2017
£925,000
Versus other Brooks Green Road homes
Acorn House outperforms the street on years held by a wide margin.
Price per m²
£2,149
Street avg £3,636
Floor Area
164 m²
Street avg 134 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.9 t/year
Street avg 7.9 t/year
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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
0.2 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.3dB

Night-time· 23:00 – 07:00
40.8dB







