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Get started2 Ciltwllan is a five-bedroom semi-detached house in Bethesda, Bangor, Bangor (LL57 3UD). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (November 2014) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2014. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on oil. The latest certificate is from November 2014, so improvements made since then won't be reflected. Other recorded features include notable views, a conservatory and outbuildings.
Sale prices here have outpaced England HPI: 7.1% per year against 0% for the wider region. Today's modelled estimate of £428,000 is 20.6% above the 2025 sale price. It changed hands recently, sold April 2025 for £355,000. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count.
2 Ciltwllan's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 28 Nov 2024
Latest sale on 2 Ciltwllan was the highest on Land Registry record across the postcode.
£428,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 27 years.
£355,000
Growth on file: 7.1% per year over 27 years.
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
Gwernydd — bus stop.
Changes detected from historical EPC data
Heating controls changed
Hot water system changed
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 April 2025Most recent
£355,000
+75.7%over 11 years19 December 2013
£202,000
+260.7%over 15 years26 May 1998
£56,000
Median price across the last 5 sales in LL57 3UD: £195,000 (2023–2007).
LL57 3YS
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