Poringland Roofers carry out lead flashing work in Costessey and the surrounding Norwich area, and this page gives you a straight guide to what the work costs and what drives the price up or down.
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Lead work is skilled, time-consuming work. The price reflects the cost of the lead itself (a real metal traded on commodity markets), the labour to cut and dress it correctly, the materials needed for fixing and pointing, and in many cases, the cost of safe access. Understanding each element helps you assess a quote rather than simply picking the lowest number.
For domestic properties in Costessey and across the Norwich area, lead flashing work ranges from a relatively small single-section repair through to a full chimney flashing replacement that takes the best part of a day. Each has a different cost, and each involves its own variables.
If one section of flashing has lifted away from the brickwork and the lead itself is in reasonable condition elsewhere, it may be possible to re-fix and re-point that section rather than replacing the whole set. A repair of this kind - raking out the mortar joint, re-wedging the lead, and pointing over - typically costs in the region of £150-£350, depending on access and the size of the section involved.
This is only appropriate where the lead itself hasn't cracked or perished. If the lead is brittle, has split, or has been bodged with sealant and flashband in the past, the correct answer is a full replacement rather than a patch on a patch.
A complete chimney flashing set includes soakers (the individual pieces of lead under the tile courses on each side of the stack), step flashings running up each side, a back gutter at the high side of the chimney, and a cover flashing or apron at the front. This is the most involved type of domestic lead work and the price varies based on several factors.
Typical cost for a full chimney flashing set in the Costessey and Norwich area: £450-£900.
A lead valley is the channel formed where two roof slopes meet. It carries a concentrated volume of rainwater and needs to be correctly sized and at the right code - usually Code 5 or Code 6. A valley that's cracked through the centre or pulled away at the edges will leak badly in heavy rain.
Relining a lead valley typically costs £80-£160 per metre in the Costessey and Norwich area, depending on access and the code specified. A valley running from ridge to eaves on a typical detached house might be 4-6 metres long. At the lower end, the tiles adjoining the valley can be lifted and re-laid without replacement; if they're damaged or if a significant number need cutting, material costs increase.
Where a flat roof, a lean-to roof, or a lower roof slope meets a vertical wall, an abutment flashing seals the joint. A continuous abutment flashing on a simple straight run typically costs £60-£120 per metre including raking out the mortar joint and pointing. Stepped abutments on a sloping surface take longer and sit at the upper end of that range.
Getting to the roof safely is a real cost that needs to be included in any honest quote. On a typical two-storey property, a scaffold tower is usually adequate for chimney work and adds roughly £100-£250 to the job depending on how long it's needed on site. A section of scaffold - needed where the stack is close to a party wall or where a tower won't reach safely - costs more, typically £300-£600 for a short hire, though this varies with supplier and location.
For single-storey work like a porch or extension abutment, roof ladders from a long ladder are usually sufficient, and there's no separate access hire cost. For anything more complex - high gable ends, roof terraces, or properties close to a boundary - access costs should always be spelled out clearly in the quote.
A quote that simply says "chimney flashing repair - £X" without any detail is difficult to assess. Ask the roofer to confirm the code of lead, whether soakers are included, whether the mortar chase will be raked out and re-pointed, and what the access arrangement is. If access is not mentioned at all, it may not have been factored in - or it may have been assumed that a ladder is sufficient, which is not appropriate for a full chimney replacement.
The cheapest quote is not always the worst, but a quote that comes back significantly below the ranges on this page deserves some scrutiny. Common ways of undercutting are using lighter lead than specified, applying sealant or flashband rather than cutting new lead properly, or omitting soakers entirely.
Before any lead work starts, ask for a clear breakdown of what the job involves. When arranging a roof survey, ask for a clear explanation of what needs doing and an honest price for the work.
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