RICS Level 2 Survey TR12 (Helston & Lizard Peninsula)

The TR12 postcode covers a diverse range of properties, from granite cottages in ancient villages to modern developments along the Lizard Peninsula. Many properties in this area date from the pre-1919 period, particularly in settlements like Porthleven, Mullion, and Helston, where historic buildings feature solid stone walls, traditional slate roofs, and original timber sash windows. These older properties often require more detailed inspection, as they may have hidden defects related to age, previous alterations, or traditional construction methods that differ from modern standards. Our surveyors regularly find that solid wall construction without damp-proof courses is common in properties over 100 years old, leading to damp issues that need professional assessment.

Our RICS Level 2 survey provides a thorough assessment of the property's condition, focusing on the main structural elements and any significant issues that might require attention. The report uses clear RICS traffic light ratings - red for urgent issues requiring immediate attention, amber for defects that need repair but are not urgent, and green for satisfactory condition. This straightforward system helps you understand exactly what you are buying and what investment may be needed after completion. We have found that many buyers are surprised to learn that properties in this area often require between £5,000 and £15,000 in immediate repairs once a thorough survey is completed.

Recent property sales data shows approximately 100 transactions in TR12 over the past year, with prices increasing across all property types. Detached properties have seen the strongest growth at 1.68%, while flats showed more modest increases at 0.53%. Given these values and the complexity of local property types, a professional survey represents a small but essential investment in your property purchase. The Lizard Peninsula and surrounding area has seen increased interest from remote workers and those seeking coastal lifestyles, driving demand for properties that may not have been subject to the same level of scrutiny in previous decades.

The local economy plays a significant role in the property market here. The Royal Naval Air Station Culdrose near Helston provides stable employment for service personnel and civilian staff, while tourism supports a substantial portion of the local economy, particularly in Porthleven and along the Lizard Peninsula. This creates a diverse housing market with properties ranging from family homes to holiday lets and second homes. Understanding these local dynamics helps our surveyors identify properties that may have unique considerations, such as those used as holiday rentals or those affected by seasonal occupancy patterns.

Our RICS Level 2 survey in TR12 includes a comprehensive visual inspection of all accessible areas of the property. The surveyor examines the roof structure and covering, looking for slipped or missing slates, deterioration of leadwork, and condition of rainwater goods - all common issues in this area due to exposure to coastal weather and the age of many properties. The inspection covers the walls, foundations, floors, windows, doors, and interior joinery, as well as the condition of services such as plumbing, electrical wiring, and heating systems. We measure the property and take detailed photographs of any defects found during the inspection.

The TR12 area presents specific challenges for property condition. Properties built before 1919 typically feature solid wall construction using local granite or killas (a slatey rock), often rendered with lime-based renders. These walls may lack modern damp-proof courses, making rising damp a common issue. Many older roofs use natural slate, which can deteriorate over decades, particularly where tiles have reached the end of their service life or where lead flashing has corroded in the coastal air. Our surveyors have extensive experience identifying the early signs of these issues, which often go unnoticed by buyers unfamiliar with traditional Cornish construction.

The survey also includes assessment of any extensions or alterations, which are common in this area as properties have been adapted over generations. Our surveyor will note whether these appear to have been carried out with appropriate permissions and whether they meet current building regulations. For properties in conservation areas (notably in Porthleven, Mullion, and parts of Helston), the report will highlight any implications for future modifications. We understand that buying a property in a conservation area can bring specific responsibilities, and our reports clearly explain any restrictions or requirements that may affect your plans for the property.

There are several notable new build developments in the TR12 area that prospective buyers should be aware of. Tregenna Place in Mawgan offers homes by Gilbert & Goode, while The View in Porthleven provides luxury apartments with sea views. Trewenna in Mawgan and The Coombe in Porthleven (an affordable housing development by Coastline Housing) also offer various property types. Even on newer properties, our Level 2 survey can identify construction defects, snagging issues, or problems that may have arisen during the building process that the developer warranty may not fully address.

• Roof structure and covering
• Walls, damp assessment
• Windows and doors
• Floors and staircases
• Plumbing and water supply
• Electrical wiring
• Heating systems
• Boundary walls and outbuildings

Our experience surveying properties across TR12 reveals several recurring issues that buyers should be aware of. Damp problems are prevalent, particularly in older properties. Rising damp affects many pre-1919 buildings that lack effective damp-proof courses, while penetrating damp occurs due to exposure to prevailing south-westerly winds, especially in coastal locations. Condensation is common in properties with inadequate ventilation, particularly in newer builds or those that have been upgraded with double glazing without sufficient air movement. We use moisture meters and thermal imaging to identify the source and severity of damp issues, providing you with clear guidance on remediation.

Roof defects rank among the most frequently identified issues. Many properties in the area still have their original slate roofs, which may be approaching or beyond their expected lifespan. Common findings include slipped or missing slates, deteriorated leadwork around chimneys and valleys, and corroded ridge tiles. The condition of rainwater goods is also frequently assessed, as blocked or damaged gutters can lead to water ingress and structural damage over time. In coastal locations, salt air accelerates the corrosion of metal elements, meaning leadwork and flashing may deteriorate more quickly than in inland areas.

Timber defects including wet rot, dry rot, and woodworm infestation are encountered regularly, particularly in properties with damp issues or poor ventilation. Structural movement is another common finding, with minor settlement cracks almost universal in older buildings. More significant movement can indicate subsidence, which in this area may be related to local geology, tree root activity, or in some cases, historic mining activity. The TR12 area sits within Cornwall's mining heritage zone, and while less affected than eastern parts of the county, localized shallow mining can occasionally create ground stability concerns.

Outdated electrical wiring and plumbing systems are frequently identified, especially in properties that have not been updated since construction. Many homes still have older consumer units, fabric-covered cabling, and original plumbing that would benefit from upgrading to meet current safety standards. Properties built before 2000 may also contain asbestos-containing materials in floor tiles, pipe insulation, or roof materials. Our surveyors are trained to identify potential asbestos-containing materials and will recommend appropriate testing and removal by licensed contractors where necessary.

Cornwall is designated as a high-risk area for radon gas, and properties in TR12 may require radon testing and mitigation measures. This radioactive gas occurs naturally from the decay of uranium in granite and other rocks found in the local geology. Our surveyors will note if a radon test is recommended based on the property location and construction type. Long-term exposure to elevated radon levels can pose health risks, so understanding the radon status of a property is an important part of the purchase decision.

Properties in the TR12 area face specific environmental challenges that our surveyors assess during the inspection. Flood risk is a significant consideration, particularly in areas adjacent to rivers and streams. The River Cober and its tributaries, flowing through Helston towards Loe Pool, create fluvial flood risk, while coastal areas around Porthleven, Mullion, and the Lizard Peninsula face potential coastal flooding and erosion during storm surges and high tides. Surface water flooding can occur across the area during periods of heavy rainfall, particularly where drainage systems are overwhelmed. We check flood risk databases and note any relevant history in our reports.

The local geology of TR12 consists predominantly of Devonian and Carboniferous sedimentary rocks, including slates, sandstones, and limestones, with areas of granite intrusion particularly around the Lizard Peninsula. While not as prevalent as in some parts of the UK, areas with clay-rich soils can present a moderate shrink-swell risk during periods of extreme weather. Properties with trees nearby or on shrinkable clay soils may be more susceptible to foundation movement, and our surveyors will assess the condition of walls and foundations for signs of this type of movement.

Coastal erosion is a particular concern for properties close to cliffs or the shoreline along the Lizard Peninsula. The exposed nature of this coastline means that properties in these locations face ongoing risks from wave action and weathering. Our survey report will flag any visible signs of erosion or coastal damage that could affect the property's long-term condition and insurance implications. We have seen properties in vulnerable coastal locations where erosion has caused significant damage to gardens and outbuildings, and in extreme cases, threatens the structural integrity of the main building.

The geology beneath properties in TR12 can also relate to historical mining activity. While TR12 is not as heavily impacted by tin and copper mining as eastern parts of Cornwall, localized shallow mining for china clay or other minerals could pose a risk in specific areas. Our surveyors will look for signs of past mining activity such as surface irregularities or settlement, and we can recommend a mining search for properties in areas where this is a concern.