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Get startedGwel An Nansow is a detached house in Mawnan Smith, Falmouth, Falmouth (TR11 5ER). It has a recorded floor area of 219 m² (around 2357 sq ft) and construction records dating it to 2003-2006. The latest certificate (March 2022) returns a high B (score 91), putting the home a stone's throw from an A rating. The rating has held steady at B across 4 certificates since March 2019. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to A (score 103). Main heating runs on electricity.
At 219 m² the property is well over the postcode median (130 m² across 16 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs).
Gwel An Nansow's carbon output is low for the local stock.
Gwel An Nansow has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£972,000
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.
EPC Rating for Gwel An Nansow runs comfortably ahead of the street norm.
EPC Rating
91 (B)
Street avg 61 (D)
Floor Area
219 m²
Street avg 147 m²
CO₂ Emissions
1.2 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
42.7dB

Median price across the last 5 sales in TR11 5ER: £565,000 (2025–2021).
Highfields Grove Hill Mawnan Smith Falmouth
Sold Mar 2025
Treveal Grove Hill Mawnan Smith Falmouth
Sold Mar 2025
Beech Grove Cottage Grove Hill Mawnan Smith Falmouth
Sold Jan 2024
Trelevra Grove Hill Mawnan Smith Falmouth
Sold Sept 2023
Gwel Teg Grove Hill Mawnan Smith Falmouth
Sold Apr 2021
Street avg 5.1 t/year
Habitable Rooms
9 rooms
Street avg 5 rooms
Shute Hill — bus stop.
Closest school
0.1 km
Mawnan CofE VA Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
35.6dB