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Get started1 Diamond Cottages is a three-bedroom semi-detached house in Crawley Down, Crawley, Crawley (RH10 4LQ). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (June 2025) shows a C (score 71). When first surveyed in August 2014 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and window efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 82). Period features are noted in the property record.
Sale prices here have outpaced Crawley HPI: 4.6% per year against 0% for the wider region. Today's modelled estimate of £595,000 is 13.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£393/sq ft) was about 91.8% above the typical sold price in the postcode. At 124 m² it sits well below the postcode median (244 m² across 3 EPCs), making it one of the more compact homes locally. Sold March 2021 for £525,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2015.
Extension: Single storey · Rear of property
Proposed single storey rear extension.
1 Diamond Cottages has more than doubled in price since the earliest registered sale in 2003.
£595,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 18 years.
£525,000
Growth on file: 4.6% per year over 18 years.
EPC Rating for 1 Diamond Cottages runs comfortably ahead of the street norm.
Price per m²
£4,234
Street avg £2,928
Floor Area
124 m²
Street avg 231 m²
Habitable Rooms
5 rooms
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
0.2 km

Daytime· 07:00 – 23:00
44.9dB

Changes detected from historical EPC data
Fuel source changed
Heating controls changed
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
Low energy lighting percentage decreased
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 March 2021Most recent
£525,000
+42.5%over 5 years27 May 2015
£368,500
+53.5%over 11 years1 September 2003
£240,000
Median price across the last 5 sales in RH10 4LQ: £690,000 (2021–1997).
Street avg 8 rooms
CO₂ Emissions
3.0 t/year
Street avg 7.2 t/year
RH10 4LA
War Memorial — bus stop.
Closest school
0.5 km
Crawley Down Village CofE School. 4 schools nearby.
Night-time· 23:00 – 07:00
37.5dB
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