Snagging Survey Dorchester

Poundbury has been under continuous construction for over 30 years, and the North West Quadrant - the final phase - is now approaching completion. The development was designed to integrate affordable and market housing at identical build standards, which means our inspectors work on homes ranging from shared ownership apartments to multi-million pound townhouses within the same streets. Aster Group handles the affordable and shared ownership stock, CG Fry and Morrish Homes the open market homes. All carry NHBC warranties, and all are subject to the same snag risks.

The challenge with Poundbury and similar Dorchester developments is that the traditional exterior - Portland stone detailing, recessed windows, brick quoins - can mask the speed at which internal systems were installed. Our inspectors frequently find problems with plasterboard fixing, heating controls, kitchen unit alignment, and the junction between external masonry and internal finishes that allows moisture to track inward. The premium price bracket here - with four-bedroom townhouses regularly exceeding £700,000 - makes a thorough inspection particularly worthwhile.

Beyond Poundbury, Dorchester has approved additional development sites on its periphery, including projects at Broadmayne to the south-east and smaller infill sites within the DT1 boundary. Each site has its own builder and subcontractor chain, and defect patterns vary. Our inspectors approach every property without assumptions, working systematically through the NHBC checklist and our own Dorset-specific protocols before issuing the final report.

• Facade detailing: mortar joint consistency, stone and brick alignment, pointing gaps
• Window and door reveals: gaps, draughts, frame tolerances at reveals
• Heating system: thermostat zoning, radiator balance, hot water pressure
• Plasterwork: hollow areas, cracks at junctions, tape separation at ceiling lines
• Drainage: fall on gutters, downpipe connections, channel grading at thresholds
• Floor finishes: tile grout gaps, floating floor movement, skirting fixings

Dorchester has been built in Portland stone, brick, flint, chalk block and cob over many centuries. Developers working here face planning constraints that push them toward traditional material specifications - and that traditional detailing requires skilled installation to get right. Our inspectors understand the specific demands of Dorset construction and inspect accordingly. Conservation area requirements in the Dorchester town centre mean that even new developments on infill plots must use materials and detailing that match the existing streetscene, which adds complexity.

Portland stone - quarried on the Isle of Portland, 10 miles south of Dorchester - is the defining material of the Georgian town. It is an oolitic limestone that weathers well but requires correct bedding orientation during installation. When developers use Portland stone or stone-effect products, our inspectors check that it has been laid on its natural bed, that mortar joints are correctly raked, and that the stone is free from face spalling caused by frost action on incorrectly bedded pieces.

On Poundbury properties, our inspectors pay particular attention to the junction between external masonry and internal timber framing, where moisture can accumulate if the cavity tray or damp proof course is poorly installed. The mortar mixes used in stone facade work must also match the permeability of the stone itself - incorrect pointing is a recurring finding that developers need to rectify before it causes water penetration into the wall structure.

• Cavity tray installation at roof-to-wall and parapet junctions
• DPC continuity at door thresholds and window sills
• Mortar compatibility with Portland stone and brick facades
• Underfloor heating pipe runs and manifold pressure settings
• Loft insulation depth and ventilation clearance at eaves
• External drainage levels relative to the DPC line