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Get started7 Castle Street is a mid-terrace house in Blaenavon, Pontypool, Pontypool (NP4 9QL). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2015) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2013); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Poor; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5.6% per year against 0% for the wider region. Today's modelled estimate of £134,000 sits 57.6% above the 2013 sale of £85,000. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 21.9% below the postcode norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in December 2013 and unlisted since — roughly 12 years.
7 Castle Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2025
7 Castle Street has more than doubled in price since the earliest registered sale in 1997.
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 16 years.
£85,000
Growth on file: 5.6% per year over 16 years.
7 Castle Street is notably below the street on price per m².
Price per m²
£1,037
Street avg £1,607
Floor Area
82 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Upper Waun Street — bus stop.
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
MVHR (mechanical ventilation with heat recovery) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 December 2013Most recent
£85,000
+142.9%over 16 years19 September 1997
£35,000
Median price across the last 5 sales in NP4 9QL: £131,200 (2023–2022).
Street avg 4 rooms
CO₂ Emissions
6.2 t/year
Street avg 3.6 t/year
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