Helston is a historic market town at the gateway to the Lizard peninsula, sitting above the valley of the River Cober with Loe Pool and Porthleven a short distance away. Once one of Cornwall's stannary towns, it's known today for its Georgian and Victorian streets and its Flora Day celebrations each May. Whether you live in the town itself or in one of the villages around it, this guide covers the local factors worth thinking about before you plan an extension, renovation or new build.
The types of homes you'll find in Helston
Helston and its surrounding area have a wide range of housing:
Georgian and Victorian townhouses along streets such as Coinagehall Street, Meneage Street and Cross Street, many built of stone with slate roofs and some of them listed.
Terraced cottages on the steep streets running down towards the river, usually with solid walls and narrow plots.
Post-war and modern estates on the edges of the town, typically cavity-walled and well suited to extensions, loft conversions and garage conversions.
Granite and stone farmhouses, cottages and barns in the countryside towards Wendron, Gweek and across the Lizard.
The way your home is built shapes most decisions, from foundations and insulation to the finishes that will suit it. A site visit early on helps us understand what's involved.
Conservation areas and listed buildings
The historic centre of Helston is covered by a conservation area, and the town has a large number of listed buildings. Much of the Lizard peninsula and the surrounding coast also falls within the Cornwall National Landscape (formerly the AONB). This can mean:
Reduced permitted development rights, so some extensions, dormers, cladding and alterations visible from the street may need planning permission.
Listed building consent for works that affect a listed building's character, including windows, doors and internal changes.
An expectation from Cornwall Council that materials suit the setting, such as natural slate, local stone, lime render and timber joinery.
Our guide to building in an AONB or conservation area explains how this works, and our planning permission guide covers the basics.
Mining history and ground conditions
The area north of Helston around Wendron was an important tin mining district, and it forms part of the Cornwall and West Devon Mining Landscape World Heritage Site. Old shafts and workings are a feature of the landscape in places, so a mining search is sensible before buying land or designing foundations. If anything is flagged, an engineer may recommend further investigation. Parts of Cornwall are also affected by radon, which can mean protection measures are needed in new builds and extensions. Our groundworks and foundations page explains our approach to the early stages of a build.
Building on the Lizard and in exposed locations
Villages across the Lizard, such as Mullion, Cury, Coverack and Porthleven on the coast, can be very exposed to wind, rain and salt air. Materials and detailing need to cope with that: durable fixings, well-detailed roofs and openings, and breathable finishes on older stone walls. Narrow lanes can also make deliveries and large vehicle access more difficult, so logistics are worth planning early. Our guide to weatherproofing coastal homes in Cornwall has more detail.
Older stone walls need to breathe
Many older homes around Helston have thick solid walls of granite, killas (local slate stone) or rubble, and some rural cottages include cob. These walls need to let moisture escape. Cement pointing, hard renders and impermeable paints can trap water and are a common cause of damp. Lime mortars and renders, good drainage at the base of walls and insulation designed for solid walls usually work best. Our stone, rendering and lime work page and our guide to lime rendering for Cornish stone homes explain why.
Popular projects in and around Helston
The projects Helston homeowners most often ask about include:
Home extensions, particularly kitchen and family room extensions
Loft conversions to add a bedroom or home office
Property renovations of older stone and terraced homes
Barn conversions of traditional farm buildings in the surrounding countryside
Garden offices and outbuildings for working from home
We also work in nearby villages including Porthleven, Wendron, Gweek, Breage, Ashton, Mullion, Cury and Mawgan.
Building in Helston FAQs
Do I need planning permission for an extension in Helston?
It depends on the size and position of the extension, whether your home is in the conservation area or the National Landscape, and whether it's listed. Some extensions are permitted development, but it's worth checking before you commit to a design. Building Regulations approval is needed either way.
Should I get a mining search for a property near Helston?
In the mining areas around Wendron and elsewhere in Cornwall, a mining search is a sensible step before buying land or building. It shows whether known workings are recorded nearby and helps your engineer decide whether further checks are needed.
Can you work on listed buildings in Helston?
Yes. Work on listed buildings needs listed building consent first, and the materials and methods should suit the building. We can work alongside your architect or heritage consultant.
Do you work across the Lizard peninsula?
Yes. We work throughout Cornwall, including the Lizard villages, and plan access and deliveries around narrow lanes and exposed sites.
Talk to us about your Helston project
Cornish Building Company works across Helston, the Lizard and West Cornwall from our base in Wadebridge. Visit our builders in Helston page, call us on 01208 816991, or contact us to talk through your plans.
