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Get started20 Blackbrook Avenue is a three-bedroom semi-detached house in Hawarden, Deeside, Deeside (CH5 3HJ). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (August 2020) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 77). Other recorded features include a loft.
Sale prices here have outpaced England HPI: 1.2% per year against 0% for the wider region. Today's modelled estimate of £292,000 sits 51.7% above the 2015 sale of £192,500. On the market in December 2015 and unlisted since — roughly 10 years.
20 Blackbrook Avenue saw 3 transfers in just over a decade — high turnover for the postcode.
£292,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 9 years.
£192,500
Growth on file: 1.2% per year over 9 years.
Price per m²
£1,851
Street avg £2,271
Floor Area
104 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Park Avenue — bus stop.
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 December 2015Most recent
£192,500
+5.8%over 3 years30 May 2012
£182,000
+5.2%over 5 years12 March 2007
£173,000
Median price across the last 5 sales in CH5 3HJ: £305,000 (2025–2023).
CO₂ Emissions
4.5 t/year
Street avg 4.5 t/year
CH5 3JS
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