Most people think about the calendar the wrong way round. They wait for a fine week, ring round, and find that the fine weeks are already spoken for. A better approach is to plan backwards from the date you want the roof finished, allowing for the survey, the written quote, the order for materials and the scaffold booking.
This guide is about planning a re-roof across the year: what each season offers, how daylight shapes the working day, what lead times are made of, how the roof is kept weathertight between days, and why booking ahead for spring and summer pays. It is about the calendar, not about what happens when rain arrives mid-job; for that, read our guide to rain cover during a re-roof. The wider service is on our roof replacement page.
Start with the roof, then the season
A roof that is leaking into a bedroom does not have a best season. It has a best week, and that is the next one. When a roof is letting water in, making it safe comes ahead of everything else, whatever the month. If the covering is old but still holding, you have the luxury of choosing, and that is when the calendar starts to matter.
The first question is not what month it is but how urgent the roof is. A survey tells you. We look at slipped or cracked slates and tiles, failed flashings, sagging battens and how the timbers underneath are standing up, and photograph your roof so the report shows you the same things. The result is usually one of three answers: the roof can wait, with monitoring; it needs doing within the next few months; or it needs making safe now and replacing as soon as the weather and the materials allow.
Why the order matters
Booking the survey in autumn or winter, when you can see how the roof behaves in heavy rain, gives you evidence. A re-roof in spring or summer can then be planned with the quote in hand, the materials chosen and the date agreed, rather than rushed in the first dry fortnight. If you are comparing quotes, comparing re-roof quotes shows what to look for.
What each season offers a re-roof
Roofing is outdoor work on an open structure, and each season gives it something different. None of what follows is a weather forecast for Stroud, and we do not quote rainfall or temperature figures; they are general patterns that every roofer plans around.
| Season | What helps | What to plan for |
|---|---|---|
| Spring | Longer days return and the ground firms up after winter | Showers are frequent, so sheeting and a flexible programme stay important |
| Summer | The longest working days and the best chance of several dry days together | Slots fill early, and hot slate or tile makes the work tiring |
| Autumn | Often still workable, and slots can be easier to find than in summer | Days shorten and gutters fill with leaves, so check them before the weather turns |
| Winter | Roofers have more room to fit a job in | Short days, wet timber and frost make some details harder to complete |
Materials respond differently
Natural slate and clay tile are laid dry on battens, so cool, dry weather is workable for them. Anything that relies on mortar or sealant is more sensitive. Lead dressing is fine in the cold, but fresh mortar in a hard frost is not, and bedding for ridges and verges may be better kept for a mild day or avoided altogether by fitting a dry-fix system. Flat roofs have their own constraints: adhesive-fixed single-ply membranes work best on a dry deck, with no standing water or moisture trapped beneath.
Daylight, and how much of the day is usable
A roofer is limited by light long before the weather decides. In the middle of winter a working day on a stripped roof is short, and that time is also needed to put sheeting back over any open slope before the light goes. The same job that finishes tidy on a long summer evening can end with a hurried weathering exercise in December.
Why it changes the programme, not just the price
The sequence on a re-roof is a stripping stage, a battening and underlay stage, and a covering stage. The strip is the most exposed part, because the house is open to the sky. Good practice is never to strip more roof than can be made watertight again before dark. In short days, that means taking off smaller areas at a time, which stretches the job.
For the length of a typical job, our guide on how long a re-roof takes goes through the stages. What matters for the calendar is that a winter programme has to allow for more days than a summer one, even if the roof itself is identical.
Lead times: what the wait is made of
When you ring a roofer and are told the first slot is some weeks off, the delay is rarely one thing. It is several smaller steps, each of which can be started early.
The survey and the written quote
The survey comes first. We photograph your roof, measure it, note the access and the state of the structure, then write a quote that covers the whole job. A typical UK cost range is published before the visit, so you can plan before anyone calls.
Materials
New natural slate, clay tile and stone slate are not always held in stock in the colour and size a particular roof needs. Matching an existing roof like for like can take longer than ordering a standard concrete tile. Cotswold stone slate in particular is made in graded sizes, and matching them to the original takes time. Stone roofs also need a clear sort of the old slates for reuse, which we cover in our guide to Cotswold stone roofing.
Approvals and structure
If you are changing from one covering to a heavier one, the order for materials waits until the structure has been checked. That is covered in our guide to changing to a heavier roof covering. If the job is notifiable under the Building Regulations, we set out the paperwork and send it in for you, so leave room for that step in the timetable. A listed building or a house in a conservation area adds a discussion with the council's planning officers, and that can take longer than the roofing.
Scaffold
The scaffolder has their own diary. Booking scaffold when the date is fixed, not when the materials arrive, avoids a gap in the middle.
Temporary weathering: how the house stays dry between days
A re-roof is a sequence in which the house is partly open. Temporary weathering is how that gap is covered.
Sheeting and the daily close
When the crew packs up, any stripped area is covered. Heavy-duty sheeting is fixed over the open slope, held down with battens, and tied to the scaffold so that the wind cannot lift it. On a hipped or complex roof, with several valleys and a chimney, there are more places for wind to get in, and the sheeting is detailed accordingly.
The underlay and battens as a second layer
Once the battens and the new underlay are on, the roof is more resistant to a shower even before the slates or tiles go on. Underlay, though, is not a waterproof finish, and manufacturers set limits on how long it can be left exposed. We lay it with the covering close behind it.
Sequencing by slope
Many jobs are done a slope at a time, so that only one side of the house is open while the other is finished. In unsettled weather this reduces the risk. The programme is flexible: if the forecast turns, the strip stops early and the sheeting goes on.
If you are living in the house during the work, the closing routine matters even more, and we cover it in our guide to staying in the house during a re-roof.
Booking ahead for spring and summer
If you want a spring or summer start, the useful advice is to begin the process in the preceding autumn or winter. That does not mean committing early; it means surveying early. A survey in November gives you a quote in hand for March.
A planning sequence that works
Begin with the survey and report, then choose the covering, and settle whether any approval is needed. Next, agree the quote in writing, with the scaffold and waste included. After that, order the materials, since a specially matched slate or tile is the item most likely to hold up a start date. Last, fix the date and tell the neighbours.
Flexibility is worth money
If you can accept a start within a broad window rather than a fixed day, the job is easier to place around the weather. Let us know if you have a deadline, such as a family event, a sale or a mortgage condition, as that changes which slots are right.
Do not wait when the roof is failing
Booking ahead should never mean putting up with a leak. Water that gets into the loft can wet insulation and rot timbers over time. If the roof is leaking now, we make it safe first. If storm damage is behind the leak, read when insurers pay for a new roof before you book, because the order in which you report the damage and arrange the repairs can matter to a claim.
A simple calendar to plan from
Here is a calendar we suggest, working backwards from a summer finish.
| Stage | What happens |
|---|---|
| Late autumn | Survey, photographs taken on your own roof, plus a written report |
| Winter | Written quote, choice of covering, structural or approval checks where needed |
| Early spring | Materials ordered, scaffold booked, neighbours told |
| Late spring or summer | Scaffold up, strip, new battens and underlay, covering, ridge and verge, then waste cleared |
Costs are worth noting early too. MyBuilder's guide, updated 21 August 2026, lists a full re-roof at £5,000 to £12,000, with gable roofs at £5,000 to £8,000 and hipped roofs at £8,000 to £12,000. Our new roof cost guide breaks that down. The season does not usually change what the quote covers, but a winter job may need more days, and the labour and scaffold reflect that.
Booking the survey is not booking the roof. You can have the report and the written quote, then take as long as you like to decide.