Dellside, Copthorne Bank, Copthorne, Crawley, RH10 3JD
About Dellside
Dellside is a detached house in Copthorne, Crawley, Crawley (RH10 3JD). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (March 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in October 2014 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Average and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
One planning record on file: an extension approved in 2003. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
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Planning history
Dellside has an approved rear extension on the planning record.
1 application on record at Dellside, Copthorne Bank, Copthorne, Crawley, RH10 3JD
- May 2003ConservatoryFullOutcome in report
Extension: Rear of property
Erection of rear conservatory.
Extension- Documents
- 1 doc on file
- Reference
- 2003/371
Unlock Dellside, Copthorne Bank, Copthorne, Crawley, RH10 3JD'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- Every decision — granted, refused or withdrawn (1 on record)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 2 notable nearby
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Dellside has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£597,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in RH10 3JD: £525,000 (2022–2017).
Nearby sales in RH10 3JD
4 Bonwick Cottages, Copthorne Bank, Copthorne, Crawley, RH10 3JD
Sold Nov 2022
£525,0003 Bonwick Cottages, Copthorne Bank, Copthorne, Crawley, RH10 3JD
Sold Feb 2019
£370,000The Bell House, Copthorne Bank, Copthorne, Crawley, RH10 3JD
Sold Sept 2018
£820,000Wat Sri Intra Atula, Copthorne Bank, Copthorne, Crawley, RH10 3JD
Sold Jul 2017
£1,300,000Woodside Cottage, Copthorne Bank, Copthorne, Crawley, RH10 3JD
Sold Feb 2016
£590,000
Versus other Copthorne Bank homes
EPC Rating for Dellside runs comfortably ahead of the street norm.
EPC Rating
65 (D)
Street avg 55 (E)
Floor Area
112 m²
Street avg 162 m²
CO₂ Emissions
4.6 t/year
Street avg 8.0 t/year
Habitable Rooms
5 rooms
Street avg 7 rooms
Similar properties nearby
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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
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Bonwicke Cottages — bus stop.
Closest school
1.1 km
Copthorne CofE Junior School. 3 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
46.0dB

Night-time· 23:00 – 07:00
38.1dB







