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Get started5 Tyddyn Isaf is a three-bedroom semi-detached house in Menai Bridge (LL59 5DA). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (September 2025) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2009. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and lighting went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77).
Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Sale prices here have outpaced England HPI: 0.8% per year against 0% for the wider region. Today's modelled estimate of £203,000 sits 52.1% above the 2009 sale of £133,500.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£203,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.8% per year over 3 years.
£133,500
Growth on file: 0.8% per year over 3 years.
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Detailed AI analysis
5 Tyddyn Isaf outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,427
Street avg £2,458
Floor Area
55 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Trem Eryri Circle — bus stop.
Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
6 November 2009Most recent
£133,500
+2.7%over 3 years18 August 2006
£130,000
Median price across the last 5 sales in LL59 5DA: £195,000 (2025–2023).
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CO₂ Emissions
1.8 t/year
Street avg 3.4 t/year
LL59 5TL