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Get started1 Frondeg Terrace is an end-of-terrace house in Groeslon, Caernarfon, Caernarfon (LL54 7TU). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (January 2020) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in December 2008 the rating was G, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Very Poor to Poor and main heating went from Poor to Average; while wall efficiency dropped from Average to Very Poor and roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 84), a 3-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £123,000 is 23% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£172/sq ft) was about 73.6% above the typical sold price in the postcode. Most recent transfer was January 2025 at £100,000 — fresh data. At 54 m² it sits well below the postcode median (221 m² across 3 EPCs), making it one of the more compact homes locally.
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has grown by over 3x since 2002.
£123,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 23 years.
£100,000
Growth on file: 5.1% per year over 23 years.
On price per m², 1 Frondeg Terrace stands well clear of the street.
Price per m²
£1,852
Street avg £1,320
Floor Area
54 m²
Street avg 179 m²
Habitable Rooms
3 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Capel Bryn-rhos — bus stop.
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Hot water efficiency decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 January 2025Most recent
£100,000
+212.5%over 22 years1 March 2002
£32,000
Median price across the last 5 sales in LL54 7TU: £354,500 (2021–2006).
Street avg 7 rooms
CO₂ Emissions
4.7 t/year
Street avg 10.2 t/year
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