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Get started21 William Street is a four-bedroom mid-terrace house in Bangor (LL57 1BG). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (April 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80).
Sale prices here have outpaced England HPI: 4.9% per year against 0% for the wider region. Today's modelled estimate of £165,000 is 23.1% above the 2021 sale price. Sold November 2021 for £134,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 88 m² it's 18.9% larger than the typical home in the postcode (74 m² median across 19 EPCs).
Sale price has at least doubled since 1999.
£165,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 22 years.
£134,000
Growth on file: 4.9% per year over 22 years.
Floor Area for 21 William Street runs comfortably ahead of the street norm.
Price per m²
£1,523
Street avg £1,471
Floor Area
88 m²
Street avg 81 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
0.1 km
Bron Castell — bus stop.
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
5 November 2021Most recent
£134,000
15 March 2017
£134,500
+7.6%over 11 years1 August 2005
£125,000
+166.0%over 5 years25 October 1999
£47,000
Median price across the last 5 sales in LL57 1BG: £140,000 (2023–2020).
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.1 t/year
LL57 1NE
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