RICS Level 3 Building Survey Andover (SP9)

Andover's housing stock presents a diverse range of construction types and potential issues that make a thorough survey essential. The town centre contains numerous properties built before 1919, many featuring solid brick walls, traditional timber framed construction, and original features that require specialist assessment. These older properties often suffer from rising damp, penetrating damp, timber rot, and roof defects that may not be immediately visible to untrained eyes. Our inspectors understand how to identify these hidden problems and assess their impact on the property's structural integrity. We have extensive experience examining period properties throughout Andover's historic core, particularly around the town centre Conservation Area where many Victorian and Edwardian homes retain their original character but may structural issues that only a trained eye can spot.

The post-war properties constructed between 1945 and 1980 form a significant portion of Andover's residential areas, particularly in established estates like Charlton and St. Mary's. These homes commonly feature cavity wall construction with steel ties that may have corroded over time, original flat roofs that have reached the end of their lifespan, and asbestos-containing materials in soffits, garages, and utility areas. A Level 3 Survey specifically examines these elements and provides clear guidance on any remedial work required. Our inspectors know to pay particular attention to properties built during this period, as the steel cavity wall ties (often called "butterfly ties" or "wire butterfly ties") can corrode and cause significant damage to both internal and external walls if left unchecked. Properties in areas like Foxcotte and Upper Clatcombe often fall into this category and benefit significantly from our detailed assessment.

The newer developments across SP9, including The Chariots by Barratt Homes, Picket Twenty by David Wilson Homes, and Saxon Fields by Taylor Wimpey, represent modern construction methods that still warrant professional inspection. While these properties generally require less extensive remedial work than older homes, our Level 3 Survey can still identify defects related to settlement, workmanship, or building regulation compliance. New build properties in these developments sometimes exhibit issues such as hairline cracks from drying shrinkage, poorly fitted windows and doors, or inadequate ventilation that could lead to condensation problems. Having a professional survey before completion gives you leverage to request the developer address these issues under their warranty obligations.

The geological conditions in SP9 also warrant particular attention during a building survey. While Andover sits predominantly on chalk bedrock with low shrink-swell potential, the superficial deposits of Head (containing clay, silt, sand, and gravel) in certain areas create moderate to high risk for clay shrinkage subsidence. Properties built on these clay-rich deposits may experience movement during prolonged dry periods, leading to structural cracking and movement. Our inspectors are trained to identify signs of subsidence and recommend appropriate action, including further specialist investigation if necessary. This is particularly relevant for properties in the river valley areas near the River Anton, where River Terrace Deposits combine with the clay-rich Head deposits to create conditions that can lead to foundation movement over time.

Flood risk is a significant consideration for certain properties within the SP9 postcode area. The River Anton and its tributaries flow through Andover, creating potential flood risk for properties in the river valley and surrounding low-lying areas, particularly in areas like the River Park district and properties near the Anton Lakes. Surface water flooding also poses a threat during periods of heavy rainfall, particularly in areas with limited drainage capacity. Our inspectors examine properties for evidence of previous flood damage, assess the effectiveness of existing drainage, and provide recommendations for flood resilience where appropriate. We check for water marks on walls, damaged plaster or skirting boards that might indicate previous flooding, and the condition of sump pumps or other flood mitigation measures that may have been installed.

The presence of clay-rich superficial deposits in parts of SP9 creates potential for shrink-swell subsidence, particularly during extended dry spells. Properties built on these deposits may show signs of movement, including cracking to walls, doors and windows sticking, and uneven floors. Our Level 3 Survey specifically looks for these indicators and can distinguish between minor settlement cracks that are simply a result of the property drying out and more serious structural movement requiring immediate attention. Properties in areas with newer housing developments, where the ground may still be consolidating, are particularly susceptible to these issues in the first few years after construction. Where concerns are identified, we recommend appropriate specialist investigation, which may include a structural engineer's assessment or ground investigation to determine the extent of any movement.

Andover's position along the A303 corridor has driven significant new development in recent years, with major housebuilders constructing hundreds of new homes across the SP9 area. Developments such as Picket Twenty (David Wilson Homes), Saxon Fields (Taylor Wimpey), and The Chariots (Barratt Homes) offer modern properties at various price points ranging from around £270,000 to over £600,000. While newer homes generally require less extensive surveying than period properties, a Level 3 Survey can still identify any construction defects, snagging issues, or problems arising from building regulation compliance that may not be apparent to new buyers. Our inspectors have extensive experience with the construction methods used by these national housebuilders and know the common issues that arise in their properties, from roof verges and flashings to the types of insulation and damp proofing systems they commonly use.