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Get started12 Tyddyn Mostyn Estate is a semi-detached house in Menai Bridge (LL59 5DS). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1976-1982 and council tax band A. At 62 m² this is the 31st smallest of 68 units on EPC record in the building, where floor areas span 42–125 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (December 2018) shows a C (score 77), near the top of the C band. When first surveyed in May 2011 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Average to Good and main heating went from Average to Good; while window efficiency dropped from Good to Average.
12 Tyddyn Mostyn Estate's carbon output is low for the local stock.
12 Tyddyn Mostyn Estate has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
12 Tyddyn Mostyn Estate outperforms the street on habitable rooms by a wide margin.
EPC Rating
77 (C)
Street avg 74 (C)
Floor Area
62 m²
Street avg 56 m²
CO₂ Emissions
1.5 t/year
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Tyddyn To — bus stop.
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in LL59 5DS: £155,000 (2025–2022).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
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Full planning history
Every application and decision on record
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Street avg 1.9 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
LL59 5HW