Spring Roof Inspection:What to Check After a Shropshire Winter

What Shropshire Winter Does to a Roof

A typical Shropshire winter subjects roofs to sustained rainfall, freeze-thaw cycling, frost penetration into mortar joints, wind loading from the prevailing south-westerlies, and occasional snow. Each of these stresses accelerates pre-existing weaknesses. A tile that was borderline in October will have slipped further by March. Mortar that had hairline cracks in autumn will have opened up after three months of frost cycling. Gutters blocked with autumn leaves have been carrying overflow onto fascias all winter.

Spring is the optimal window for identifying and addressing this accumulated damage before the summer dry period bakes any moisture-related problems into the structure.

Church Stretton, at approximately 180 metres altitude in the Long Mynd valley, experiences an average of 30–40% more freeze-thaw cycles per winter than lowland Shrewsbury — making post-winter roof inspection critical for properties at this elevation (Met Office climate data for the Welsh Marches, 2023).

Priority Checks After Winter

Tiles and Slates

Walk around the entire property and look at each pitch in turn. Any tile that slipped during winter storms needs attention — not just replacement of the individual tile, but assessment of whether nail sickness is driving the movement. On Shropshire's post-war concrete tile estates in Harlescott, Telford and Bayston Hill, a cluster of slipped tiles is the visible symptom of nail corrosion that has been progressing all winter.

Ridge and Hip Mortar

Freeze-thaw cycling is the primary cause of ridge mortar failure on Shropshire properties. Water penetrates hairline cracks in the mortar, freezes overnight and expands, widening the crack. By spring, mortar that appeared sound in October may have crumbled away from several sections. Check the ridge line for any sections where the mortar appears light-coloured or powdery — this indicates carbonation and frost damage. Any section where the ridge tile is visibly rocking needs attention before the next winter.

Gutters and Downpipes

Gutters that were blocked over winter will have been discharging water over the fascia for months. In spring, check for fascia boards that feel soft when pressed, paint that has peeled at the gutter line, and any damp staining on external walls at the eaves level. Clear any remaining debris from gutters and run water through downpipes to confirm they are draining freely.

Lead Flashings

Cold weather contracts lead. If a flashing was only marginally secured going into winter, thermal contraction may have pulled it away from the mortar chase entirely. Inspect chimney flashings, valley linings and bay tops visually from the ground. Any gap at the top edge of a flashing — where it meets the wall or the mortar chase — is an active leak risk and should be addressed before spring rainfall.

Chimney Stacks

Post-winter is when chimney mortar failures are most visible. White lime streaks on brickwork below the stack indicate water has been penetrating the mortar joints over winter. Crumbled flaunching at the top of the stack is often most visible in spring when the soft mortar has contracted away from the surrounding lead or brick. Use binoculars to check from the ground.

Loft Check

A thorough loft check in early spring reveals any water ingress that occurred over winter. Look for dark staining or damp patches on rafters and sarking, any rust-coloured staining from nail heads, and any areas where the underlay has sagged or appears wet. Even if no active leak is present in spring, damp timbers that were saturated over winter need to be inspected for early-stage rot before they are sealed in by a warm summer.

Prioritising Spring Repairs

Choosing the Right Contractor for This Type of Work

The most effective protection when commissioning roofing work of any type is insisting on a written, itemised quote from a contractor who can demonstrate both current insurance and verifiable trading history. A contractor unwilling to provide either — or who provides a quote that is too vague to allow comparison with others — should be treated with caution regardless of the price.

The standards that apply to roofing work in Shrewsbury are not exceptional. Physical survey before quoting, written fixed-price specification, stainless fixings, breathable underlay, correct mortar for the property era, and a written workmanship guarantee are normal expectations from a legitimate contractor. If a quote does not include these elements, ask why before agreeing.

How to Get an Accurate Quote for This Type of Work

The most common source of post-job dissatisfaction in roofing is a mismatch between what the homeowner expected and what was actually agreed in the quote. The gap usually exists because the quote was not specific enough to define expectations on both sides. Getting an accurate, reliable quote requires the same steps regardless of the type of roofing work involved.

First, the contractor must physically access the roof before quoting. A quote based on a description of the problem, ground-level inspection or photographs is not a reliable fixed price — it is an estimate that will be revised once the work starts and the actual condition is visible. Insist on a physical survey as the basis for any written quote.

Second, the quote must specify materials. 'Quality materials' is not a specification. The tile manufacturer, profile, colour and product guarantee should be named. The underlay type should be specified as breathable, not generic felt. Lead work should specify the code weight for each application. Without this detail, the contractor can substitute cheaper alternatives without violating the terms of the quote.

Third, the quote should identify what is excluded as well as what is included. Access, waste disposal and VAT are the most frequent sources of unexpected additional cost at completion. A quote that includes scaffold erection and removal, waste disposal to a licensed tip, and shows VAT as a separate line item is transparent and trustworthy. A quote that omits these elements and adds them at invoice stage is not.