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Get started15 Cilfach Crwys is a three-bedroom end-of-terrace house in Penrhosgarnedd, Bangor, Bangor (LL57 2QA). It has a recorded floor area of 78 m² (around 840 sq ft) and construction records dating it to 2012-2021. The latest certificate (November 2025) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (April 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. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.
Sale prices here have outpaced England HPI: 2.9% per year against 0% for the wider region. Today's modelled estimate of £263,000 is 44.1% above the 2017 sale price. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last changed hands 9 years ago, in July 2017.
15 Cilfach Crwys sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
£263,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 2 years.
£182,500
Growth on file: 2.9% per year over 2 years.
EPC Rating for 15 Cilfach Crwys lags the street by a wide margin.
Price per m²
£2,340
Street avg £2,238
Floor Area
78 m²
Street avg 97 m²
Habitable Rooms
5 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
Ysgol y Faenol — bus stop.
28 July 2017Most recent
£182,500
+6.7%over 2 years16 April 2015
£170,995
Median price across the last 5 sales in LL57 2QA: £333,000 (2025–2023).
Street avg 5 rooms
CO₂ Emissions
1.6 t/year
Street avg 1.6 t/year
LL57 2LA
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