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Get startedThe Old Watermill is a detached house in St. Mabyn, Bodmin, Bodmin (PL30 3BX). It has a recorded floor area of 210 m² (around 2260 sq ft) and construction records dating it to 1996-2002. The latest certificate (August 2017) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency dropped from Good to Average and lighting dropped from Good to Average. The recommended improvements would push it to C (score 71). Main heating runs on oil.
At 210 m² the property is well over the postcode median (132 m² across 9 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include change of use to residential, meaningful when judging how the property has evolved. Today's modelled estimate of £914,000 is 20.3% above the 2018 sale price. Most recent transfer: October 2018 at £760,000.
The Old Watermill's carbon output runs well above what efficient homes in the postcode produce.
Change of use of former pottery to overflow annexed residential accommodation
The Old Watermill valuation sits well clear of the typical sold price in this postcode.
£914,000
Modelled from EPC, postcode comparables.
£760,000
Recorded with HM Land Registry.
On floor area, The Old Watermill stands well clear of the street.
Price per m²
£3,619
Street avg £4,056
Floor Area
210 m²
Street avg 175 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km

Daytime· 07:00 – 23:00
42.6dB

Changes detected from historical EPC data
Floor insulation added or improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Part change of use from lock-up garage into artist studio
19 October 2018Most recent
£760,000
Median price across the last 5 sales in PL30 3BX: £585,000 (2024–2021).
CO₂ Emissions
7.8 t/year
Street avg 10.6 t/year
PL30 3AR
St Mabyn Inn — bus stop.
Closest school
0.4 km
St Mabyn CofE School. 1 school nearby.
Night-time· 23:00 – 07:00
35.6dB
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