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Get started9 Cefn Dyffryn is a four-bedroom detached house in Groeslon, Caernarfon, Caernarfon (LL54 7TQ). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (August 2015) shows a C (score 71). The recommended improvements would push it to B (score 83). The latest certificate is from August 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 5.8% per year against 0% for the wider region. Today's modelled estimate of £303,000 is 47.8% above the 2016 sale price. On the market in August 2016 and unlisted since — roughly 10 years.
This certificate is over 10 years old and is no longer valid.Expired 25 Aug 2025
9 Cefn Dyffryn has more than doubled in price since the earliest registered sale in 2003.
£303,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 13 years.
£205,000
Growth on file: 5.8% per year over 13 years.
CO₂ Emissions for 9 Cefn Dyffryn lags the street by a wide margin.
Price per m²
£1,553
Street avg £1,702
Floor Area
132 m²
Street avg 124 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cae Sarn — bus stop.
25 August 2016Most recent
£205,000
+110.3%over 13 years11 July 2003
£97,500
Median price across the last 5 sales in LL54 7TQ: £270,000 (2024–2021).
CO₂ Emissions
4.4 t/year
Street avg 3.7 t/year
LL54 7HR
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