RICS Level 3 Building Survey SY22

Our RICS Level 3 Building Survey is the most detailed inspection we offer for UK residential property. Once called a Full Structural Survey, it goes well beyond the basic checks of a Level 2 Home Survey. Our inspectors look at every accessible part of the house, from foundations and damp proof courses through to roof structure and drainage systems. Instead of simple red, amber, or green ratings, we give detailed defect analysis with clear recommendations for repair.

SY22 properties come with their own set of quirks, which is why a Level 3 survey is often the sensible choice. The area has plenty of historic buildings in conservation areas, many built with traditional local stone and slate. Those older homes often need the kind of scrutiny that only a Level 3 survey can provide, because standard mortgage valuations may miss structural problems that could later cost thousands to put right.

Around Llanymynech and Llanfyllin, the ground itself can be part of the issue. Clay soils are common across Powys, and that means shrink-swell movement can affect foundations over time. Our inspectors know the signs well, such as diagonal cracking in walls and doors that stick or refuse to shut properly. Historic mining in the Llanymynech area, stretching back to Roman times, also means we keep an eye out for subsidence linked to underground voids.

Recent market figures show an 18% fall in property transactions compared with the previous year, while prices are 15% below the 2022 peak of £297,307. In that kind of market, buyers in SY22 need to be careful with the numbers as well as the bricks and mortar. A full survey gives you room to renegotiate if major defects appear, or to step away from a purchase that would turn out more expensive than expected.

• Complete structural assessment
• Detailed defect analysis
• Foundation and substructure inspection
• Roof void and covering examination
• Damp and timber decay investigation
• Electrical and drainage overview

Within the SY22 postcode, the local authority changes depending on which side of the border you are on, with Powys County Council covering the Welsh side and Shropshire Council handling the English parts around Llanymynech. Both councils have Conservation Areas in place, and those bring extra planning restrictions. Our inspectors know what to look for and will highlight anything that could affect renovation or extension plans. Listed buildings need even more care, so a detailed survey before proceeding is vital.

The Montgomery Canal runs through Llanymynech, so homes close to water need special attention for flood risk and drainage issues. In the Llanfyllin valley, the Rivers Cain and Abel also matter, and our inspectors look closely at ground levels, drainage patterns and any sign of damp penetration or water damage. Flood data for SY22 is limited, but property near a watercourse should always have a thorough damp and drainage check.

Across the area, Welsh slate roofs are common, and they are usually long-lasting, though verges, ridges and flashings can still deteriorate. Our Level 3 surveys include a close look at roof condition, including any accessible roof voids where head and eaves details can be checked. Where a property uses non-traditional methods, such as concrete panels or steel frames, we give it additional scrutiny to see how it stacks up against current building regulations.

Because the area is rural, many homes depend on private water supplies and septic tanks rather than mains services. Our inspectors assess private water sources and drainage systems, which matters because repairs can be expensive. In villages such as Bwlch-y-cibau and Llanfechain, older septic systems often need upgrading to meet current regulations.

• Conservation Area restrictions
• Listed Building considerations
• Flood proximity to waterways
• Traditional slate roof condition
• Drainage and soakaway assessment
• Tree proximity and root systems
• Private water supply assessment
• Septic tank and drainage inspection

Some buyers can probably get by with a lighter survey, but many SY22 properties need the fuller check. With so many older homes and a substantial number of listed buildings, the Level 3 survey is often the minimum we would suggest. The Llanymynech ward has 68% detached properties, many of them period homes that benefit from a proper structural assessment. Given that some properties here date back centuries, the detailed inspection is essential.

Anything over 70 years old really ought to have a Level 3 survey, because traditional construction details often need specialist knowledge to read properly. The Llanfyllin Union Workhouse (Y Dolydd), a Grade II* listed building built in 1838, is a good example of the kind of historic structure in the area that needs a close look. Our inspectors know how to assess lime mortar pointing, old timber framing and historic roof structures without causing damage.

If you are buying a listed building in Llanymynech, Llanfyllin, or one of the surrounding villages, a Level 3 survey is essential. Powys has over 30,000 listed buildings, and a clear picture of condition before purchase can save you from very large restoration bills. Our inspectors understand the particular pressures of listed buildings, including keeping original features while tackling structural issues. We give advice that balances preservation with sensible remedial work.

Visible problems such as wall cracks, damp patches or roof leaks should always lead to a Level 3 survey. The same applies if you are planning major renovations or an extension, because the detailed assessment helps you understand the structure you are dealing with and the likely costs. Even new build developments like Breidden View in Llansantffraid-Ym-Mechain can look perfect at first glance, yet our inspection may uncover snagging items the developer should put right before completion. High rainfall in recent years has also brought more damp and timber decay across the region.