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Get started17 Tan Y Bwlch is a semi-detached house in Mynydd Llandygai, Bangor, Bangor (LL57 4DX). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2018) shows an F (score 31), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 90), a 4-band jump. Main heating runs on oil.
One planning record on file: an extension approved in 2001. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. At 136 m² it's 20.4% larger than the typical home in the postcode (113 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Today's modelled estimate of £363,000 is 48.2% above the 2018 sale price. Most recent transfer: December 2018 at £245,000.
17 Tan Y Bwlch's carbon output runs well above what efficient homes in the postcode produce.
ESTYNIAD A CHYSWLLT A'R PRIF ANNEDD I DDARPARU 'FFLAT NAIN'/ EXTENSION AND LINK TO MAIN DWELLING TO PROVIDE A 'GRANNY ANNEXE'
17 Tan Y Bwlch valuation sits well clear of the typical sold price in this postcode.
£363,000
Modelled from EPC, postcode comparables.
£245,000
Recorded with HM Land Registry.
17 Tan Y Bwlch is notably below the street on co₂ emissions.
Price per m²
£1,801
Street avg £2,171
Floor Area
136 m²
Street avg 115 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Mynydd Llandygai — bus stop.
7 December 2018Most recent
£245,000
Median price across the last 5 sales in LL57 4DX: £310,000 (2025–2020).
CO₂ Emissions
11.0 t/year
Street avg 6.9 t/year
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