RICS Level 3 Building Survey in Thatcham

A Level 3 survey is the most detailed RICS report we provide, and it suits a Thatcham buyer who is looking at a house near The Broadway, a converted building in the Conservation Area, or a later home with an older extension added at the rear. Our surveyor carries out the most detailed visual inspection possible of all accessible parts, then comments on construction, materials, defects, condition and repair priorities. It is written for a buyer who wants the facts before exchange, not a soft summary.

In practical terms, that means roof coverings, flashings, chimneys, external walls, windows, floors, loft structure, visible timber, drainage runs that can be inspected from the surface, and any obvious signs of movement or damp. On a house near Church Gate, that may mean checking whether lime mortar has failed in older brickwork, or whether a later cement repair is trapping moisture. On a 1950s or 1960s semi near the newer parts of RG19, it may mean looking for cracking, corroded wall ties, or settlement at an extension junction.

The report also sets out what happens if a defect is left alone. That is the point many buyers need, especially on a property with a history of patch repairs or with a roof nearing the end of its life. We explain the likely consequences, such as further movement, timber decay, hidden damp, or recurring leaks. If the surveyor sees something that points towards a more serious issue, the report will say so clearly and recommend the next specialist step.

A Level 3 survey does not include destructive opening-up, lifting carpets, pulling back fixed floor finishes, drainage CCTV, or testing of services. It is not a substitute for a specialist engineer’s report, an electrician’s inspection, or a gas safety check. Those are separate instructions. A surveyor may also ask for follow-up evidence if a stain in a loft on a street off The Broadway suggests a roof leak that needs fuller investigation.

• Roof coverings and flashings
• External walls and mortar
• Loft and visible timber
• Floors, ceilings and openings

Thatcham’s housing stock is split between newer homes and a substantial post-war layer, with 39.4% built after 1980 and 38.3% from 1945 to 1980. That matters because the town expanded quickly during the 1950s to 1970s, and some homes from that period can show faster wear than buyers expect. Red brick, rendered finishes and tile roofs are common, so the surveyor spends time checking mortar joints, render cracks, roof slopes and the edges of extensions where old and new meet.

The ground conditions are just as important. Thatcham sits on River Terrace Deposits over the Lambeth Group and Thanet Formation, so there is clay in the wider sequence and that brings shrink-swell risk. Mature trees, common in older residential streets, can make that movement worse. A house with shallow foundations near a long-established boundary hedge may show stepped cracking or seasonal movement, while properties closer to the River Kennet can also face damp from a higher water table and localised flood risk.

For older homes in and around the Conservation Area, the issues change again. Solid brick walls, lime mortar, timber floors and original roof structures can all suffer if modern repairs were pushed too hard, or if drainage and guttering have been left for years. Listed properties such as St Mary's Church and The Old Bluecoat School show the age and variety of the local building stock, and they point to the sort of defects our surveyors are looking for in nearby residential buildings.

• Subsidence or heave from clay movement
• Damp from failed guttering, ground levels or poor pointing
• Timber decay and woodworm in older roof spaces
• Roof wear, slipped tiles and flashing defects