- Guide price
- £700–£1,200
- Survey
- Free for new and replacement roofs
- Quote
- Fixed, in writing
- Coverage
- England, Wales, Scotland, NI
West Yorkshire at a glance
- Largest towns
- Leeds, Bradford, Huddersfield, Wakefield
- Postcode areas
- BD, HD, HX, LS, WF
- Building control
- Leeds City Council, City of Bradford Metropolitan District Council, Kirklees Council and 2 other councils
- Neighbouring areas
- South Yorkshire · Greater Manchester · Lancashire · North Yorkshire
- Guide price region
- Yorkshire and the Humber (−5% on West Midlands rates)
How much does a porch or bay roof cost in West Yorkshire?
Guide prices including VAT at Yorkshire and the Humber rates. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Porch or bay (4 m²), EPDM | £700–£1,200 |
| Single garage (18 m²), EPDM rubber | £1,500–£2,650 |
| Extension (20 m²), GRP, new deck + insulation | £2,850–£5,100 |
Which flat roofs are common in West Yorkshire?
Flat roofs in West Yorkshire sit on 1960s and 1970s link-detached houses with flat-roofed garages and porches, 1930s semis with flat-roofed garages and kitchen extensions and lock-up garage blocks on estates. England averages roughly 870 mm of rain a year; the Pennine side of Yorkshire is wetter and windier than the east, so we specify for the site rather than the county. Approximate 1991–2020 regional averages based on Met Office data.
Building regulations in England
Replacing more than half of a roof over a heated room usually counts as renovating a thermal element, so it is insulated to current standards and notified to building control. Renovated roofs over heated rooms are insulated to around 0.16 W/m²K where that's feasible, and new extension roofs are built to 0.15 W/m²K. In West Yorkshire the application goes to Leeds City Council, City of Bradford Metropolitan District Council, Kirklees Council and 2 other councils. More on the rules.
Why do small porch and bay roofs carry a minimum charge?
Because a small roof needs nearly the same set-up as a larger one: a team, safe access, materials, trims, waste removal and travel. The roof area is only part of the cost.
A 2 m² canopy and a 6 m² bay still both need a full strip, a deck check, edge trims, a wall flashing and the same care at the drip edge. That is why our full re-roofs carry a minimum charge rather than being priced purely per square metre. It is also why bundling makes sense: if you have a porch, a bay and a garage, pricing them together usually works out better than three separate visits.
The junction with the house wall deserves the most attention on a porch. Many leaks blamed on a porch roof are actually water tracking behind a failed flashing or through porous brickwork above. We check the wall, the flashing and the frame head before recommending a new roof. If the problem is only the flashing, a targeted repair may be enough. Our flat roof leaks guide explains how leaks are traced.
Do I need permission to re-roof a porch or bay?
Usually not. Re-covering a porch or bay roof without materially changing how it looks does not normally need planning permission, and an unheated open porch is not usually a thermal element.
The picture changes if the bay or porch is part of a heated room: replacing most of the roof can then bring it under the insulation rules for renovated roofs, which may need building control approval in England, a check in Wales, building standards in Scotland or district council building control in Northern Ireland. On a very small roof, adding insulation may not be technically feasible because of the height available below the window sill above. We assess that at survey.
Listed buildings need consent for changes that affect their character, and conservation areas can restrict changes to the front of a house. See our building regulations page for more detail.
Which towns in West Yorkshire do we cover?
- Leeds
- Bradford
- Huddersfield
- Wakefield
- Halifax
- Dewsbury
- Morley
- Keighley
- Castleford
- Pontefract
- Yeadon
- Brighouse
- Shipley
- Cleckheaton
- Pudsey
- Lofthouse
- Ossett
- Liversedge
- Horsforth
- South Elmsall
- Mirfield
- Chapel Allerton
- Bingley
- Kippax
- Elland
Porch, bay and canopy roofs in West Yorkshire: questions
Which towns in West Yorkshire do you cover?
All of West Yorkshire. The main towns have their own pages below, and if yours isn't listed we still cover it: send your postcode and we'll confirm.
How much does a porch or bay roof cost in West Yorkshire?
£700–£1,200 for a small 4 m² porch or bay roof in EPDM, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
Which postcode areas do you cover in West Yorkshire?
All of West Yorkshire, including the BD, HD, HX, LS, WF postcode areas. Send your full postcode and we'll confirm.
Can you re-roof a porch and a garage on the same visit?
Yes, and it is often better value. Combining small roofs spreads the set-up and travel costs.
Can a bay window roof be replaced without scaffold?
A ground-floor bay usually can, using a tower or platform. A first-floor bay generally needs a small scaffold for safe access.
Should I replace lead on my bay roof with EPDM or GRP?
It depends on the house and your priorities. Membranes usually cost less and have no scrap value to thieves, but on a period or listed property keeping a lead appearance may matter or be required.
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