Tregoon, TR12 7AF
Tregoon is a 148 m² / 1,593 sq ft detached home in Mullion. It sold for £582,500 in July 2026. Indexed forward to today's value, that sale is roughly £581k. Recent local prices imply a broad valuation context of £441k to £644k based on its internal area. The Land Registry and EPC data was last updated 8 October 2026.
- Sale history
-
£582,500 on Jul 2026
- Internal area
- 148 square metres (1,593 square feet) according to latest EPC inspection
- Price per internal area
-
This property sold for £3,935 per square metre (£366 per square foot) in Jul 2026. Indexed forward to today's value, this is roughly £3,924 per square metre (£365 per square foot) .
Date Paid price Paid £/sqm Today's value Today's value £/sqm Jul 2026 £582,500 £3,936 £580,679 £3,924 Calculated using the latest EPC internal area of 148 m². Earlier sale dates may not have had the same measured area available.
- Valuation
- The most recent sale price indexed forward to today's value is £580,679. This is one data point to inform the valuation. Another method is the valuation implied by what comparable homes are selling for. Homes in Mullion are now selling for between £2,980 and £4,350 per square metre (£276 and £404 per square foot). Based on an internal area of 148 m², this implies a valuation between £441,000 and £644,000. Treat this as context only. For a valuation using hand-picked comparable sales, use the Advanced search tool — create a shortlist of similar condition homes, then export a valuation report.
- Bedrooms
- 2
- Type
- Detached
- Council tax band
- D
- Plot size
- 654 square metres (7,040 square feet) - map showing freehold boundary lines
- Planning ref:
- January 2025 PA24/08591
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application approved
- Address:
- Buildings At Tregoon Farm Gweek Downs Gweek Helston Cornwall
- Description:
- Prior Approval for change of use of agricultural barn to form two dwellings, and associated operational development
- Planning ref:
- July 2024 PA24/02764
- Type:
- Full and householder planning application
- Status:
- Application refused
- Address:
- Tregoon Gweek Downs Gweek Helston Cornwall
- Description:
- Construction of two dwellings as an alternative to Class Q Development (PA21/02190), improvements to approved conversion of the blockwork barn and conversion of stone barn to dwelling
- Planning ref:
- August 2022 PA21/05176
- Type:
- Full and householder planning application
- Status:
- Application refused
- Address:
- Buildings At Tregoon Farm Gweek Downs Gweek Helston Cornwal
- Description:
- Construction of two dwellings, improvements to approved conversion of blockwork barn and conversion of stone barn to dwelling
- Planning ref:
- May 2021 PA21/02190
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application approved
- Address:
- Buildings At Tregoon Farm Gweek Downs Gweek Helston Cornwal
- Description:
- Application to determine if prior approval is required for proposed change of use of agricultural buildings to 3 dwellinghouses (Class C3) and for building operations reasonably necessary for the conversion
- Planning ref:
- November 2019 PA19/09499
- Type:
- Outline application - proposal prior to a full application, including assessments and scoping opinions.
- Status:
- Application approved
- Address:
- Tregoon Farm Bungalow Gweek Downs Gweek Helston Cornwal
- Description:
- New access track to allow machinery and trailers to enter without damaging other parcels of land.
- Planning ref:
- January 2019 PA18/11749
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- Tregoon Farm Bungalow Gweek Downs Gweek
- Description:
- Erection of conservatory to the SW elevation of the property
- Planning ref:
- June 2016 PA16/03024
- Type:
- Full and householder planning application
- Status:
- Application approved with conditions
- Address:
- Tregoon Farm Gweek Downs Gweek Helston Cornwal
- Description:
- Erection of agricultural machinery store/workshop
- Summary:
- 16 October 2024 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- marketed sale
- Tenure:
- Owner-occupied
- Property type:
- Detached House , has 6 habitable rooms. Estimated year built 1930 to 1949
- Area:
- 148 sqm (1,593 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, 250 mm loft insulation. Heating: Boiler and radiators, oil.
- Summary:
- 18 December 2015 - energy performance certificate grade E
- Certificate:
- View energy certificate on GOV.UK
- Reason for EPC:
- Assessment for Green Deal
- Tenure:
- Owner-occupied
- Property type:
- Detached Bungalow , has 5 habitable rooms. Estimated year built 1900 to 1929
- Area:
- 146 sqm (1,572 square foot) total internal area
- Comments:
- Walls: Cavity wall, filled cavity. Roof: Pitched, insulated (assumed). Heating: Boiler and radiators, oil.
Tregoon is worth whatever price a willing buyer and seller agree upon. However, the following can provide useful context.
- HouseMetric estimates the most recent sale price indexed forward to today's value is £580,679.
- Based on an internal area of 148 m² and recent prices in Mullion, this implies a lower and upper quartile range from £441,000 to £644,000, using HouseMetric's implied valuation methodology.
For more detail on HouseMetric data sources, update frequency and valuation methods, see the HouseMetric FAQs.