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Practical Guide

How Long Does a Complete Roof Replacement Take?

Shorter than most people expect, and the part that takes longest is usually not the roofing.

People imagine a re-roof as weeks of disruption. On a typical house it is usually days of actual roofing, with scaffolding standing either side of it.

The stages

StageTypicallyNotes
Survey and quotationA visit, then a few daysIncludes checking the loft, not just the outside
Scaffold erectedUsually a dayOften a day or two before the roofers start
Strip the old coveringPart of a day to a dayNoisy; this is the loudest part
Repairs to timber, if neededThe main variableCannot be known until stripped
Battens, underlay, insulationA day or soThe part that determines how the roof performs
Lay the new coveringTwo to several daysDepends on area, pitch and material
Ridge, verge, flashings, leadworkA day or soThe detailing — where quality shows
Clear site, scaffold downA dayScaffold removal is often a few days later
The pattern on a straightforward house is roughly a week of roofing, inside a two-week window once scaffolding either side is counted. A large, steep or complicated roof takes longer; a small bungalow considerably less.

What actually causes delays

  • What is found under the covering. The biggest single variable. Rotten timber, a failed wall plate or a spread rafter all add work that nobody could have quoted for.
  • Weather. Not a shower — sustained rain or high wind, when working at height stops being safe.
  • Scaffold scheduling. Frequently the actual constraint. The scaffolders are a separate business with their own diary.
  • Material lead times. Common tiles are usually available; specific clay products, matching reclaimed slate or anything special-order are not.
  • Access. Restricted parking or no rear access slows everything, particularly stripping and loading out.
  • Scope changes. Adding the chimney or the fascias mid-job is sensible but it adds days.

What happens when it rains

This is the question people worry about most, and the answer is that a competent roofer never has the whole roof open at once.

A roof is stripped and re-covered in sections precisely so it can be made watertight at the end of every working day. Temporary covering is used where needed. The house does not sit exposed overnight, and it does not sit exposed through a wet week.

Rain delays a roof. It should not expose one. If a roofer strips more than they can make good that day, that is a decision rather than bad luck.

Living in the house while it happens

You can, and almost everyone does. What to expect:

  • Noise. Stripping is genuinely loud. It is also the shortest stage.
  • Dust in the loft. Worth moving anything stored up there, or covering it, before the work starts.
  • Vibration. Things on shelves and pictures on walls can move. Worth taking down anything precious.
  • Scaffolding at windows. A security consideration — keep upstairs windows locked while it is up.
  • Debris. A good crew sheets and clears daily rather than at the end.
  • Parking. The skip and the loading need space, and the neighbours appreciate being told in advance.

Best time of year

Roofing happens all year and no season is unworkable. That said, the practical considerations are real.

Spring and early autumn tend to give the most settled conditions. Late autumn is the busiest time in every roofer's diary, because the first bad weather prompts everyone at once — so lead times stretch exactly when demand spikes. Winter work is entirely possible with more weather days built in.

If a roof is known to need doing, booking it before the autumn rush usually means a better choice of dates and a less pressured job.

Questions worth asking before it starts

  • How many days of actual roofing, and how long will scaffolding be up in total?
  • When are the scaffolders coming, and are they booked?
  • Are the materials in stock or on order?
  • How much of the roof will be open at any one time?
  • What happens to the work if the weather turns?
  • Who clears the site, and how often?
  • How will the work be certified, and when do I get the paperwork?

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Tell us the property and what needs doing, and we will tell you realistically when it could be done and how long it would take.

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FAQs

Quick Answers

How long does a re-roof take?

On a straightforward house, roughly a week of roofing inside a two-week window once scaffolding either side is counted. Larger, steeper or more complicated roofs take longer.

What if it rains?

The roof is stripped and re-covered in sections so it can be made watertight at the end of each day. Rain delays the work; it should not leave the house exposed.

Can I stay in the house?

Yes, and almost everyone does. Expect noise during stripping, dust in the loft and some vibration — worth moving stored items and taking down anything precious.

What causes most delays?

What is found under the covering, weather, and scaffold scheduling. Timber defects cannot be known until the roof is stripped.

Is there a best time of year?

Spring and early autumn give the most settled conditions. Late autumn is the busiest period in every roofer's diary, so booking before it usually means a better choice of dates.

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Apex Roofing covers Cheshire and the surrounding area for complete roof replacement, new slate and tiled roofs and re-roofing.

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