RICS Level 3 Survey in Corby Glen

Corby Glen's housing stock presents particular challenges that make a RICS Level 3 Survey essential. The village features a significant number of pre-1919 properties, particularly within the Conservation Area surrounding St John the Baptist Church and the historic Market Cross. These older properties were constructed using traditional methods that differ substantially from modern building standards, and our surveyors know exactly what to look for when assessing these historic structures.

The local geology plays a crucial role in property condition. Corby Glen sits on Jurassic limestone with overlying glacial till (boulder clay). This clay-based subsoil presents a moderate to high shrink-swell risk, meaning foundations can move significantly during periods of drought or heavy rainfall. Our inspectors carefully examine walls for signs of structural movement, cracking, or subsidence that might indicate foundation problems related to soil conditions.

Properties constructed from local limestone require specialist knowledge to assess properly. The stonework, while durable, can suffer from weathering, mortar erosion, and water penetration. Many older properties in the village also feature traditional timber-framed construction or suspended timber floors, which can be susceptible to woodworm, wet rot, and dry rot if moisture has entered the structure. A Level 3 Survey identifies these issues before they become expensive problems.

The village's Conservation Area status means many properties have restrictions on alterations and improvements. Understanding the condition of a property before purchasing is crucial, as restoration work on historic buildings often requires specialist contractors and Listed Building Consent from South Kesteven District Council. Our survey report provides you with the detailed information needed to plan any future works and budget for the specific requirements of historic property ownership.

• Pre-1919 properties
• Listed buildings
• Conservation Area homes
• Properties near River Glen
• Stone and brick construction
• Properties with historic features

Understanding how properties in Corby Glen were built helps our surveyors identify potential issues during inspection. The predominant building material in the village is local Jurassic limestone, quarried from the Lincolnshire Limestone Formation that underlies the area. This golden-grey stone has been used for centuries in wall construction, creating the characteristic appearance of the Conservation Area. Properties typically feature solid walls rather than modern cavity wall construction, which affects thermal performance and moisture management.

Many historic properties in Corby Glen were built with lime mortar rather than cement-based mortars. This traditional material allows the structure to breathe but deteriorates over time, requiring repointing with appropriate lime-based mixes to maintain the building's integrity. Our surveyors can identify where modern cement-based pointing has been incorrectly applied, trapping moisture and causing stonework to deteriorate. This is a common issue in the village that leads to accelerated decay of the historic fabric.

Roofing across Corby Glen varies considerably by age and property type. Older cottages typically feature traditional pantile roofs, while Victorian and Edwardian properties often have slate roofs imported from Wales or the Lake District. The roof structure in these older properties is usually traditional cut timber, with purlins and rafters forming the frame. Our inspection examines these structural elements for signs of past woodworm activity, rot from inadequate ventilation, and the integrity of lead flashing around chimneys and valleys.

Period properties in Corby Glen commonly feature suspended timber floors at ground level, constructed with joists spanning between supporting walls. These floors were typically laid without modern damp-proof membranes, making them susceptible to rot if groundwater or rising damp affects the sub-floor void. Our surveyors lift accessible floorboards where possible to inspect joist ends and bearing walls for decay that might not be visible from above.

Our experience surveying properties throughout South Kesteven reveals several recurring issues that buyers in Corby Glen should be aware of. Damp problems are particularly common in the older stone and brick properties that dominate the village centre. Rising damp affects properties lacking modern damp-proof courses, while penetrating damp results from defective rainwater goods, damaged roof coverings, or deteriorating pointing to the limestone walls. Our surveyors use moisture meters and visual inspection to identify the extent and cause of any dampness.

Roofing defects feature prominently in our survey findings. Many Corby Glen properties feature either slate or traditional pantile roofs, both of which deteriorate over time. We inspect for broken or missing tiles, failed lead flashing around chimneys and valleys, and signs of past water ingress. In older properties, the roof structure itself may show evidence of past woodworm attack or rot, particularly where ventilation has been inadequate. The condition of roof timbers is especially important in properties where storage in the roof void has caused damage or where insulation has been installed incorrectly.

Structural movement manifests as cracking in walls, particularly around door and window openings where lintels may be inadequate or failing. Properties built from mixed materials (stone lower courses with brick above, for example) often show hairline cracks where the different materials respond differently to temperature changes and ground movement. Our Level 3 Survey documents any such movement, assesses whether it's active or historic, and recommends appropriate action including whether a structural engineer's report is needed.

Defective joinery is another common finding in Corby Glen's older properties. Windows and doors constructed from softwood timber are prone to rot at the bottom rails and cills, particularly where paint maintenance has been neglected. Our survey examines all window and door joinery, assessing operation, condition, and whether double-glazing has been installed in a way that causes condensation problems or timber decay through lack of ventilation.

• Rising and penetrating damp
• Roof covering deterioration
• Timber rot and woodworm
• Structural cracking
• Foundation movement
• Defective windows and joinery

While Corby Glen is situated inland and doesn't face coastal flooding risks, surface water flooding affects certain areas of the village. Properties in low-lying positions or near the River Glen should receive particular attention during your survey. Our inspectors examine walls for signs of past flood damage, including water staining, salt efflorescence, and damaged plasterwork that might indicate previous flooding events. The Environment Agency's flood maps show some areas near the river have a low to medium risk of river flooding, particularly during periods of heavy rainfall in the catchment area.

The proximity to watercourses also means that properties may face issues with dampness related to groundwater, particularly those with cellars or basements. Our surveyors check for evidence of water penetration in lower-level rooms and assess the effectiveness of any existing damp-proofing or waterproofing measures. Where we identify concerns, we recommend further investigation by a specialist damp-proofing company. Properties with cellars in Corby Glen are particularly susceptible to groundwater ingress during wet periods.

Given the moderate to high shrink-swell risk from the underlying boulder clay, we pay particular attention to foundations and the relationship between buildings and any nearby trees or vegetation. Trees planted too close to properties can draw moisture from the soil, causing it to contract and leading to foundation movement. Our report includes observations about trees and vegetation that might affect the property's stability, including any that may have been planted after construction and could pose a future risk.