RICS Level 3 Building Survey in Lezant

A RICS Level 3 Building Survey, sometimes called a full structural survey, is the most comprehensive inspection available for residential properties. Our inspectors examine every accessible part of the building, from the roof down to the foundations. In Lezant, where many properties date back centuries and feature traditional Cornish construction methods, this detailed approach is essential for uncovering hidden defects that might not be visible during a basic viewing.

The survey includes a thorough assessment of the structural integrity of walls, floors, and ceilings. Our surveyors check for signs of movement, cracking, dampness, and timber decay. Given the local geology around Lezant, which includes clay-rich soils prone to shrink-swell behaviour, we pay particular attention to foundation conditions and any evidence of subsidence or heave. The report also covers the condition of roofing materials, gutters, and drainage systems, which is especially important for properties with traditional slate roofs common throughout Cornwall.

We inspect all visible and accessible elements including windows, doors, joinery, and finishes. The survey identifies areas requiring immediate attention as well as those that may need future maintenance. For properties in Lezant that are listed buildings or within the conservation area, we note any specific concerns relating to heritage considerations and advise on the implications for potential renovations or repairs.

Our inspectors also assess the general condition of outbuildings, boundary walls, and grounds, which is particularly relevant for the larger farmhouses and properties with extensive land that are common in this agricultural parish. We understand that many Lezant properties include traditional barns or former agricultural buildings, and we evaluate their current condition and any implications for future use.

• Structural walls and foundations
• Roof structure and covering
• Damp and condensation assessment
• Timber decay and pest infestation
• Windows, doors, and joinery
• Drainage and gutters
• Boundary walls and outbuildings
• Energy efficiency observations

Properties in Lezant face several area-specific challenges that our Level 3 Surveys address in detail. The parish sits on geology that includes clay-rich formations, which can cause shrink-swell movement in foundations during periods of drought or heavy rainfall. This ground movement can lead to structural cracking and movement in walls, particularly in older properties that may not have modern deep foundations. Our surveyors are trained to identify the signs of this type of movement and assess whether it represents an ongoing risk. The clay-rich soils are particularly problematic during Cornwall's dry summers followed by wet winters, causing foundations to heave and settle cyclically.

The traditional building materials used throughout Cornwall require specialist knowledge to assess properly. Granite is a durable but porous stone that can suffer from salt contamination in exposed positions. Slate roofing, while weather-resistant, can become brittle over time and may be damaged by storm activity given Lezant's elevated position in the county. Many properties also feature cob construction, which offers excellent insulation but can be susceptible to dampness if the external render fails. Our inspectors understand these local construction methods and can identify related defects that might concern a less experienced surveyor.

While Lezant is not directly on the coast, Cornwall's general maritime environment means salt corrosion can affect roofing fixings and external metalwork even inland. Properties near the River Tamar may also face specific drainage considerations. Our Level 3 Survey examines all these factors, providing you with a complete picture of the property's condition and any remedial work that may be required.

Cornwall has a historical mining industry, and areas near former mine workings can experience ground instability. Greystone Quarry, located near Lezant, is a large aggregate quarry that demonstrates the region's geological activity. Our surveyors are trained to identify signs of ground movement that could indicate mining subsidence or historical quarrying activity, and we will recommend further investigation if necessary.

The rural nature of Lezant means many properties have been in the same family for generations, with limited modern renovations. When purchasing these historic homes, a Level 3 Survey is strongly recommended to understand the true condition of the property. Unlike newer builds that come with guarantees and modern building control certifications, older Cornish properties may have hidden defects that have developed over decades of occupancy. Many properties in Lezant have not been subject to the same level of maintenance and updating that modern building regulations would require.

Several properties in the Lezant area are either listed buildings or within proximity to listed structures. The Church of St Briocus, Chapel of St Mary Magdalene at Trebullett, and Greystone Farmhouse are among the notable listed buildings in the parish. If you are considering a property that is listed or within a conservation area, our Level 3 Survey can identify any issues that might affect your ability to obtain listed building consent for future works. This is particularly important as restrictions on alterations for heritage properties can significantly impact renovation plans and costs.

The agricultural character of Lezant means some properties include traditional barns, outbuildings, or former farm buildings. Many of these structures have been converted to residential use, often as barn conversions like those at Penscombe Barns. These converted buildings can present unique challenges, including the structural implications of inserting windows and doors into original stone walls, the condition of original timber frames, and the effectiveness of modern insulation in traditional building fabrics. Our Level 3 Survey specifically addresses these conversion-related issues.

The Neighbourhood Development Plan adopted in 2020 guides planning decisions in Lezant, and any significant renovations or extensions will need to comply with local policies. Our survey report can help you understand what works might be possible and any constraints you might face. This is valuable information whether you are planning to modernise a period property or extend a barn conversion.

Our experience surveying properties throughout Lezant and Cornwall means we are familiar with the specific defects that commonly affect homes in this area. Dampness is one of the most frequent issues we identify, particularly in properties with solid walls rather than cavity walls. The traditional construction methods used in Cornish cottages, including granite masonry and cob walls, can allow moisture to penetrate if the external render or pointing has failed. We thoroughly check for signs of damp at ground floor level, in basements, and in roof spaces where ventilation may be inadequate.

Roof defects are particularly common in Lezant due to the age of many properties and the exposure of the site. Traditional slate roofs, while durable, can suffer from slipped or broken tiles, deterioration of lead flashings, and corrosion of fixings over time. The salt-laden winds from Cornwall's coast, even at inland locations like Lezant, can accelerate the deterioration of metal components. Our inspectors examine roof slopes carefully, access loft spaces where available, and assess the condition of chimneys, which often show signs of movement or decay in older properties.

Structural movement is another key concern in this area. The clay-rich soils that underlie much of Lezant are susceptible to shrink-swell movement, causing foundations to expand and contract with moisture changes. This can result in cracking to walls, particularly at points of structural weakness such as window and door openings. Our surveyors are trained to distinguish between minor settlement cracks and more serious signs of ongoing movement that may require structural engineering input.

Timber defects, including rot and insect infestation, are frequently found in older Cornish properties. The combination of damp conditions and traditional timber construction methods means that floor joists, roof timbers, and structural frames can be affected. We use moisture meters and probe where appropriate to assess the extent of any timber decay, identifying whether immediate repairs are needed or whether the condition is stable.