RICS Level 3 Building Survey in Plumstead

Plumstead's housing stock presents unique challenges that make a RICS Level 3 Survey particularly valuable. The predominant geology of London Clay beneath the area creates significant shrink-swell potential, meaning the ground expands when wet and contracts during dry periods. This movement can affect foundations, particularly in older properties built with shallow brick footings typical of Victorian and Edwardian construction. Our surveyors specifically look for signs of subsidence, heave, and structural movement that could compromise a property's integrity. We have measured crack patterns in walls on Vincent Road, Griffin Road, and many other streets, documenting how the clay has moved over time.

The area features a high concentration of Victorian and Edwardian terraced and semi-detached houses constructed with London stock brick. Many of these properties, particularly those built before 1900, have solid brick walls, timber suspended floors, and slate or tiled roofs. While these homes have character and charm, they often come with age-related issues including failing damp-proof courses, worn roof coverings, defective leadwork, and outdated electrical and plumbing systems that require careful assessment. We regularly find that original Victorian rainwater goods have exceeded their expected lifespan, causing water penetration into wall cavities.

Surface water flooding poses a risk in certain low-lying areas of Plumstead, particularly where drainage infrastructure may be overwhelmed during heavy rainfall. Properties in these zones require thorough evaluation of their foundations and ground floor construction. Additionally, the proximity to the River Thames means some areas may face fluvial flooding risks, making it essential to understand a property's flood history and resilience measures. We have inspected properties in the low-lying areas near the railway lines where surface water pooling has been documented.

The area also includes significant post-war housing stock from the inter-war and post-war periods, particularly the council estates that dominate the western side of Plumstead. These properties were often built with cavity wall construction but can suffer from different issues including concrete degradation, metal window frame corrosion, and original heating system failures. Our surveyors understand both the character properties and the more recent construction methods, ensuring we can assess any property in Plumstead competently.

• Victorian & Edwardian terraces with London stock brick
• Inter-war and post-war council estates
• Modern apartments in new developments
• Properties in conservation areas

Understanding how Plumstead properties were built helps our surveyors identify potential issues before they become serious problems. Victorian and Edwardian properties in the area were typically constructed with solid brick walls using London stock brick, which has distinctive yellow-brown colouring and moderate frost resistance. These properties usually feature shallow brick footings rather than deep concrete foundations, making them more susceptible to movement in the reactive London Clay soil. Our surveyors have examined numerous properties on streets like St. Margaret's Grove and the roads surrounding Plumstead Common where this construction method is prevalent.

The inter-war period (1919-1945) brought cavity wall construction to Plumstead, with properties featuring a brick outer leaf and internal blockwork. These homes often have concrete floors rather than timber suspended floors, which can suffer from different issues including cracking and damp penetration. Many of these properties still contain their original galvanized steel pipework and wiring, which by now will be well beyond its intended lifespan. We frequently recommend extensive rewiring and plumbing upgrades for properties in this age range.

Newer developments like The Verdean on Plumstead High Street and Plumstead Gardens represent modern construction techniques including steel or timber frame structures with various cladding systems. While these properties are newer, they are not immune to defects. We have identified issues in new builds including inadequate waterproofing, poorly installed windows, and ventilation deficiencies that can lead to condensation and mould. Even at The Verdean, where properties are still under warranty, our Level 3 Surveys have identified snagging issues that developers should address.

• Pre-1900 solid brick construction with shallow foundations
• Inter-war cavity wall construction
• Post-war concrete panel systems
• Modern steel and timber frame with cladding

Our experience surveying properties throughout Plumstead has identified several recurring issues that buyers should be aware of. Due to the London Clay geology, subsidence and heave movement affects numerous properties, particularly those with shallow foundations. This often manifests as structural cracking in walls, particularly around door and window openings where lintels may be failing. Our surveyors meticulously examine walls both internally and externally for signs of movement, measuring crack widths and assessing their significance. We have encountered properties on several streets where original Victorian lintels have failed, requiring structural intervention.

Damp problems rank among the most frequent defects we encounter in Plumstead's older housing stock. Rising damp occurs when moisture travels up through brickwork due to a failed or non-existent damp-proof course. Penetrating damp results from defective gutters, missing roof tiles, or compromised brickwork allowing water ingress. Condensation issues are common in poorly ventilated properties, particularly in kitchens and bathrooms where moisture levels are high. These problems can lead to timber decay, including wet rot and dry rot, which compromise structural elements. We have seen extensive timber decay in properties where original wooden floors have been covered with modern coverings, trapping moisture and causing rot to develop undetected.

Roof defects are particularly prevalent in Victorian and Edwardian properties with original slate or tiled roofs. After decades of exposure to the elements, tiles become porous, leadwork deteriorates, and gutters can crack or become blocked with debris. Our surveyors access roof spaces where safe and feasible to inspect timbers for signs of rot, woodworm infestation, and structural damage. We also examine chimney stacks, which often require repointing or structural repair in older properties. Many Plumstead properties have multiple chimney stacks, and we frequently find that flashing details have failed, allowing water penetration into the roof space.

Electrical and plumbing defects are another major category of issues we find in Plumstead properties. Older properties often still have their original Victorian or Edwardian bell-era wiring, which may have been partially upgraded over the decades but rarely meets current standards. We have inspected properties where DIY electrical work has been carried out without proper certification, creating serious fire hazards. Similarly, original lead pipes or galvanized steel pipework may still be in service, posing risks of contamination and frequent leaks. These issues are particularly important to identify given the age of the housing stock in areas like the streets surrounding Plumstead Common.