A new roof is one of the most significant investments you will make in your home, and getting the materials right from the outset saves money and headaches for decades to come.
A full roof replacement means stripping everything back to the bare timber structure, inspecting and repairing the rafters and battens where needed, and then laying new underlays, battens and roof covering from scratch. It is not a patch or an overlay job. Done properly, a new roof should give you a watertight, well-ventilated structure that will outlast most other work you will ever have carried out on your home.
Before any covering goes on, the condition of the roof timbers matters enormously. Rot, woodworm or undersized rafters will cause problems no matter how good the tiles above them are. Any roofer worth hiring will flag structural issues before the work starts, not halfway through.
Ventilation is the other thing that often gets overlooked on domestic replacements. A poorly ventilated roof space leads to condensation, which in turn causes the very timber decay that makes future replacements more expensive. Current building regulations require adequate ventilation at eaves and ridge level, and a good installation will meet that from day one.
This is the question most homeowners in North Elmham spend the most time on, and rightly so. The covering you choose affects the look of the property, the load on the structure, how long the roof lasts, what it costs now and what it costs to maintain. There is no single right answer, but there is usually a best answer for each property.
Concrete interlocking tiles are the most widely used material on new domestic roofs in the UK. They are produced in a range of profiles and colours, they are relatively affordable, and they are straightforward to replace individually if one cracks or lifts. A concrete tile roof typically lasts 40 to 60 years before a full replacement is needed, though individual tiles may need attention before then.
The honest drawback is that concrete tiles are heavier than clay or slate, so older roof structures sometimes need additional support before they can carry them. They can also look utilitarian on period properties where a more traditional material would sit better with the character of the building. Colour can fade over time, and while this is a slow process, a concrete tile roof laid today will look noticeably different in 20 years.
For straightforward replacement roofs on 1960s to 1990s semi-detached or detached houses, concrete tiles are often the most practical and cost-effective choice.
Clay tiles have been used on British roofs for centuries and they age in a way that concrete does not. The colour comes from the clay itself rather than a surface coating, so the appearance is more consistent over the life of the roof. A well-laid clay tile roof can last 60 to 100 years, and individual tiles from a salvaged or matching batch can be used for repairs decades later.
The downside is cost. Clay tiles are more expensive to buy than concrete, and because the profiles and dimensions vary more between manufacturers and eras, finding matching replacements for partial repairs can be harder. They are also brittle if walked on carelessly, so maintenance access needs to be planned with that in mind.
On older properties, clay pantiles are often the natural choice. Replacing the pantile with a flat concrete tile would change the appearance of a property significantly.
Natural slate is the premium choice for roof covering. Welsh slate and Spanish slate are both widely used, and both perform well when fixed correctly. Slate is thin and lightweight relative to its strength, which means the roof structure carries less load. It is also highly resistant to water absorption and frost damage. A properly laid natural slate roof can last well over 100 years - the limiting factor is usually the fixing nails or the mortar at ridges, not the slates themselves.
The cost is the obvious barrier. Natural slate costs significantly more per square metre than concrete tile, and the fixing requires more skill and time. Spanish slate is cheaper than Welsh but still premium by tile standards. It is worth knowing that much of the longevity difference between slate and tile comes down to maintenance - a tile roof that has its ridge and hip mortar repointed on schedule and its flashings kept in good order will still be serving a family four decades later.
Natural slate is the right choice for listed buildings or properties in conservation areas where a matching material is required, and it is also a genuine long-term investment for anyone intending to stay in a property for a very long time.
Reconstituted slates are made from compressed fibre cement or other composite materials and designed to look like natural slate at a lower cost. Quality varies considerably between manufacturers. The better products perform well and carry long manufacturer finish guarantees, but they do not have the same track record as natural slate because they have not been in use for as long.
If cost is the constraint but you want a slate appearance, reconstituted slate is worth considering - but ask the roofer specifically which product they are using, look up that product's independent test data, and find out whether replacements will still be available if a tile needs matching in 20 years. Not all products from the past are still in production.
Many houses have a flat or low-pitched section - a garage roof, a rear extension, a bay window top - that needs replacing at the same time as or separately from the main pitched roof. For these areas, felt and EPDM rubber are the two most practical systems.
Traditional layered felt (built-up felt) is the most common material on older flat roofs in the UK. It is affordable and well understood. The weakness is that felt becomes brittle with UV exposure and thermal cycling, and most felt flat roofs need replacing within 10 to 20 years. Mineral-surfaced cap sheets and modern high-performance torch-on felts last longer than old-style cold-applied felt, so there is a range of quality within the felt category.
EPDM rubber membranes have become the preferred choice for new flat roof installations over the last 15 years. EPDM is a single-layer rubber membrane that is bonded or mechanically fixed to the deck. It handles thermal movement well, is resistant to UV degradation, and is straightforward to repair if it is ever punctured. Manufacturer material guarantees on EPDM are typically 20 years or more, and the material itself often outlasts that in practice. It costs more than basic felt upfront but is widely regarded as better value over the life of the roof.
New flat roof installations in England must comply with Part L of the Building Regulations regarding insulation. This usually means adding insulation above the deck (warm roof construction), which increases the depth of the build-up. If your extension roof feels cold in winter or you are seeing condensation on ceilings beneath a flat roof, inadequate insulation is often the cause - and a re-roofing is the right moment to fix it properly.
New roof costs in mid-Norfolk vary depending on the size of the roof, the pitch, the material chosen and the condition of the existing structure. As a general guide, a straightforward replacement on a typical three-bedroom semi-detached house using concrete interlocking tiles might cost anywhere from £5,000 to £9,000. Clay tiles add roughly 20 to 40 per cent to the material cost. Natural slate can be two to three times the material cost of concrete tile, so a full slate replacement on the same house might be £10,000 to £18,000 or more depending on the slate grade and fixing specification.
These are indicative figures - actual prices depend on scaffold requirements, timber repairs, the complexity of any hips, valleys or dormers, and the current cost of materials. Any quote should itemise the work clearly enough that you can see what you are paying for each element.
For flat roofs, felt replacement on a typical single garage might be £600 to £1,200. EPDM on the same area will be higher - typically £900 to £1,800 - but represents better long-term value for most homeowners. A larger flat-roofed extension will scale proportionally, and insulation upgrades to meet Building Regulations will add to the cost but are a legal requirement on notifiable works.
Getting two or three quotes for a new roof is sensible for a job of this value. But comparing quotes is not just about finding the lowest price - it is about understanding what each quote actually includes, because a lower price that excludes scaffold, timber repairs or proper ventilation is not a fair comparison with one that covers everything.
Questions worth asking any roofer before you commit:
For most straightforward like-for-like replacements on standard houses, planning permission is not required. But if you are changing the material, altering the roof height or working on a listed building, you need to check with the local planning authority first. In conservation areas, material changes can require consent even when the same work would be permitted development elsewhere.
A like-for-like replacement of a roof covering in the same or a similar material is generally permitted development in England, meaning you do not need planning permission. However, building regulations approval is a separate matter and does apply to re-roofing work. The main regulations relevant to a new roof are Part A (structure), Part C (weather resistance and moisture), Part F (ventilation) and Part L (energy efficiency and insulation).
In practice, re-roofing is often carried out without a formal building regulations application, but on a full replacement the work should still comply with the regulations whether or not a formal notice is submitted. If you are having significant structural repairs or insulation upgrades at the same time, a building regulations application is worth considering because it provides an independent check on the work and a completion certificate that can help when you come to sell the property.
If you are unsure whether your property is listed or within a conservation area, the local planning authority's website will have mapping you can check. Do not assume that because your neighbour replaced their roof without any issues, your property has the same status.
A typical pitched roof replacement on a three to four-bedroom house takes three to five working days once scaffold is in place. Scaffold erection and strike is additional to that, usually a day each end. A more complex roof with multiple hips, valleys, dormers or a high pitch will take longer, as will any significant timber repair work found once the old covering is stripped.
During the strip and re-lay, the roof will be open to the elements at some point. A good roofer will plan the work to minimise exposure and will have adequate temporary protection available if the weather changes. Ask how that is handled before work starts, particularly if the forecast is uncertain.
We install new roofs across North Elmham, Dereham and the surrounding mid-Norfolk area. We work with concrete and clay tiles, natural slate and reconstituted products, and we will give you an honest assessment of which material suits your roof structure, your budget and the look of the property.
If you are at the stage of weighing up materials or want to understand what a full replacement would involve on your home, call us to arrange a roof survey. We will come and look at the existing structure, discuss the options that make sense for your property and give you a clear, itemised quote so you know exactly what you are committing to.
No obligation · We usually respond within 2 hours
Storm damage, active leak, damaged ridge - we aim to be on-site within 24 hours.
