Forest Grange Manor, The Mews, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
About Forest Grange Manor
Forest Grange Manor is an end-of-terrace house in Colgate, Horsham, Horsham (RH12 4TG). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (October 2018) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in October 2016 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Average. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on oil.
2 planning records sit against the property, 2 approved, 0 refused. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £673,000 is 17.7% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£466/sq ft) was about 82% above the typical sold price in the postcode. Sold April 2020 for £572,000.
Know exactly what you're buying at Forest Grange Manor
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Forest Grange Manor's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Fuel source changed
Hot water efficiency decreased
Planning history
Forest Grange Manor has a listed-building consent on record — alterations to a listed property are tightly controlled.
- Jul 2008HeritageIn report
Demolition of existing single bay garage and erection of 2-bay garage (Listed Building Consent)
Listed- Documents
- 7 docs on file
- Reference
- DC/08/1195
- Jul 2008Demolition And RebuildFullIn report
Demolition of existing single bay garage and erection of 2-bay garage
- Documents
- 6 docs on file
- Reference
- DC/08/1194
We flagged 1 thing worth checking at Forest Grange Manor
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£673,000
Modelled from EPC, postcode comparables.
£572,000
Recorded with HM Land Registry.
Sales timeline
23 April 2020Most recent
£572,000
Median price across the last 5 sales in RH12 4TG: £415,000 (2023–2015).
Nearby sales in RH12 4TG
Forest Grange Manor, West Wing, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
Sold Dec 2023
£1,600,0006 The Courtyard, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
Sold Feb 2021
£450,0005 The Courtyard, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
Sold Sept 2015
£395,00010 The Courtyard, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
Sold Jun 2015
£415,0009 The Courtyard, Forest Grange, Forest Road, Colgate, Horsham, RH12 4TG
Sold Aug 2014
£395,000
Everything we know about Forest Grange Manor, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Forest Grange homes
Forest Grange Manor is notably below the street on habitable rooms.
Price per m²
£5,018
Street avg £3,206
Floor Area
114 m²
Street avg 217 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
7.8 t/year
Street avg 8.5 t/year
Similar properties nearby
1 Bramber Close
RH12 4LY
1 Canonbury Villas, Lambs Green, Rusper
RH12 4RG
1 Chalice Walk, High Street, Rusper
RH12 4FA
1 Birch Court, Faygate
RH12 4AE
1 Beech Road
RH12 4NR
1 Brockwell Cottage, Faygate Lane, Faygate
RH12 4SH
1 Braby Drive
RH12 4TJ
1 Amberley Road
RH12 4LJ
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
1.0 km
Forest Road — bus stop.
Closest school
1.9 km
Leechpool Primary School. 10 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
40.0dB

Night-time· 23:00 – 07:00
35.0dB