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Get started15 Ashtree Drive is a four-bedroom detached house in Barnard Castle (DL12 8NZ). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 2012-2021 and council tax band E. The latest certificate (October 2025) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (July 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. Other recorded features include a conservatory.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last changed hands 11 years ago, in June 2015. Today's modelled estimate of £384,000 is 40.1% above the 2015 sale price.
15 Ashtree Drive sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
15 Ashtree Drive valuation sits well clear of the typical sold price in this postcode.
£384,000
Modelled from EPC, postcode comparables.
£274,000
Recorded with HM Land Registry.
15 Ashtree Drive is notably below the street on epc rating.
Price per m²
£2,192
Street avg £2,398
Floor Area
125 m²
Street avg 119 m²
CO₂ Emissions
3.2 t/year
Street avg 2.2 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km

Daytime· 07:00 – 23:00
49.4dB

26 June 2015Most recent
£274,000
Median price across the last 5 sales in DL12 8NZ: £426,000 (2025–2021).
Years Held
11 years
Street avg 8 years
DL12 8RP
Shaw Bank — bus stop.
Closest school
0.5 km
Teesdale School and Sixth Form. 4 schools nearby.
Night-time· 23:00 – 07:00
42.6dB
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