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Get started3 Blackbrook Avenue is a three-bedroom detached house in Hawarden, Deeside, Deeside (CH5 3HJ). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (October 2024) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £377,000 is 37.1% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 37.9% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a conservatory and a porch, meaningful when judging how the property has evolved. Last changed hands 12 years ago, in May 2014.
Recommended upgrades on file would lift this property by multiple EPC bands.
3 Blackbrook Avenue has an approved rear extension on the planning record.
3 Blackbrook Avenue valuation sits well clear of the typical sold price in this postcode.
£377,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 8 years.
£275,000
Growth on file: 5.1% per year over 8 years.
Habitable Rooms for 3 Blackbrook Avenue runs comfortably ahead of the street norm.
Price per m²
£2,500
Street avg £2,242
Floor Area
110 m²
Street avg 107 m²
Habitable Rooms
6 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.
Extension: Rear of property
Erection of conservatory to rear of property
Extension: Single storey · Rear of property
Erection of a porch to the front and a single storey extension to the rear
1 May 2014Most recent
£275,000
+46.7%over 7 years18 August 2006
£187,500
Median price across the last 5 sales in CH5 3HJ: £305,000 (2025–2023).
Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 4.4 t/year
CH5 3HE
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