NE37 – NE38 · Valleys

Leaking Roof Valley — Washington

A valley is under more water than any other part of a roof — sometimes twice the annual rainfall of the same area of flat tile. In Washington's climate that's a serious volume, and it's why we spec Code 5 as standard rather than Code 4. We're regularly on roofs close to the A1(M), out around Nissan Sunderland Plant, through Concord and Sulgrave.

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Code 5 lead as standard for domestic valleys
Dry-valley GRP or plastic trough where the client prefers a modern detail
Tile-and-a-half cut and clipped at the valley edge (not just mortar-bedded)
Underlay taken through the valley continuously — no cut-and-lap under a lead flow
Stainless valley clips on exposed pitches
Old lead recycled and credited off the invoice where worth doing

Lead vs dry valley

Lead: proper for older homes, 50-year life, right for heritage streets. Dry valley: quicker fit, cheaper materials, modern look, 25–30 year life. Both are valid. We spec by property age and client preference — not by what's easier for us. Heavily new-town estates from the 1960s–1980s — interlocking concrete tile roofs are the dominant style across most districts. Bay-window valleys, dormer valleys and hip-to-gable valleys all need different details — we don't use a one-size-fits-all approach.

Never mortar over a valley

It's the most common bodge we're called to. Mortar bedding into the valley run itself blocks flow, cracks in a year and pushes water sideways under the tiles. If you've been sold that as a 'repair', we can put it right properly.

Coverage

NE37 – NE38 in full, direct access off the A1(M). We also cover Sunderland, Chester-le-Street, Birtley.

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Roof valley repair in Washington — FAQs

Can you patch a valley or does it need full replacement?+

Small localised cracks in Code 5 lead can be patched with lead-burn or a lead-flash patch. Anything longer than about 300mm we recommend full replacement — patching a whole run is more work than replacing.

How long does a valley replacement take?+

Single valley (bay or dormer): half a day plus scaffold day. Full valley on a large hipped roof: 1–2 days. Scaffold usually 1–3 days depending on access.

Will the tiles either side get damaged?+

Any that break during removal get replaced from stock — we always allow reclaimed tiles to match age. Included in the quote.

Do you cover Washington and surrounding areas?+

Yes — NE37 – NE38, plus Sunderland, Chester-le-Street, Birtley.

Need Roofing Work You Can Rely On?

Contact Stoker Property Solutions for new roofs, flat roofing, repairs and maintenance across Newcastle, Sunderland and the wider North East.

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