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Roof installation cost guide

The roof is one of the most important parts of your home, and one that is constantly exposed to the elements. In this guide, find out more about the average roof installation cost and the different factors affect the overall price you’ll pay.

Whether you’re extending their home, replacing a damaged roof or building a new property, it’s always sensible to do research on the cost of your roof installation.

How much does roof installation cost?

There are various factors that will affect the price you pay for your roof installation, including:

  • Roof style
  • Size of the roof
  • Type and quality of materials used
  • Any structural repair needed
  • Region (roof installation is more expensive in some areas of the UK than others)

The average roof installation cost in the UK is around £5,000-£8,500.

We spoke to the online estimators at My Build Estimate – a professional estimating company monitored by the Royal Institute of Chartered Surveyors (RICS). This guide features estimated average costs from them for roof installations.

Average roof installation cost: £5,000 - £8,500
Timescale: 3-4 days

Re-roofing vs new roof installation

When repairing a roof, you have two main options: re-roofing or a new roof installation.

Re-roofing

Re-roofing involves adding a new layer of shingles onto the existing shingles. Not removing the existing shingles saves time and money, and so re-roofing is often said to be the cheaper option. That said, re-roofing isn’t always suitable for every roof installation project.

Pros

  • Suitable for minor issues or leaks
  • No roof removal needed
  • Faster and cheaper than a new roof installation

Cons

  • Can only be done once
  • Not suitable for partial roof repairs (as one section of roof will be thicker than the rest)
  • You won’t know the condition of the roof deck itself
  • Won’t fix any underlying, non-visible issues, e.g. rot or sagging

New roof installation

With a new roof installation you remove everything from the roof to leave just the deck structure. From there new shingles and roofing materials are added, so you can guarantee both deck and roofing materials are all in great condition with no underlying damage.

Pros

  • Can be done on any roof at any time
  • Suitable for all roofs, including those where re-roofing isn’t an option
  • Complete peace of mind that your roof structure is in good condition

Cons

  • More labour intensive than re-roofing
  • More expensive
  • Takes longer

Although the initial cost of re-roofing might be cheaper, the price of a new roof installation is nearly always the safer and longer lasting option.

Roof installation costs Average UK costs
Per m2
Supply and fit of plain tiles£22-£25
Supply and fit of clay tiles£26-£28
Supply and fit of rubber roof£80-£100
Supply and fit of tin roof£50-£65
Supply and fit of flat roof£40-£55
Extra cost for scaffolding£25
Skip hire (per skip)£220

*These are estimated, average costs. Our prices have been researched widely online by the Checkatrade team and represent a ballpark average for your proposed project. Costs may vary by region, the scope of the project and indeed by the products you plan to use.

Find a roofer near you

Find a roofer near you

How much does it cost to retile a roof?

Retile roofing costs

Choosing the right material is important to give your roof the style and quality that suit you and your budget.

Plain tiles

Plain roof tiles are a popular choice in the UK as they tend to look good and are compact in size. This means they can be layered to provide triple depth protection.

Plain tiles are usually made from concrete or clay. Interlocking versions are also available, which can speed up the roof installation and help keep costs down.

Average cost of plain roof tiling: £22-£25 per m2

Pros

  • Cost-effective choice
  • Interlocking versions are quick and easy to install
  • Appealing traditional aesthetic

Cons

  • Their heavy weight can cause issues
  • Brittle nature means they’re easily smashed
  • Poor weather resistance

Clay tiles

Clay tiles are fast becoming the number one choice of many homeowners and property developers. Their style creates a Mediterranean feel for your roof, and there are a wide variety of shapes and patterns available to choose from.

Average cost of clay roof tiling: £26-£28 per m2

Pros

  • Minimal maintenance
  • Stylish appearance
  • Made from natural materials

Cons

  • They have a tendency to break under pressure due to their brittle nature
  • More expensive than other tile types

Rubber tiles

Roof installation cost guide

Rubber roof tiles are one of the more recent options available. Usually made from recycled rubber and featuring an interlocking design, rubber tiles are quick and easy to install.

One of the main drawbacks is their appearance, which tends to be less natural than other roof materials.

Average rubber roof installation cost: £80-£100 per m2

Pros

  • Weather and UV resistant
  • Natural insulating and heat reflecting
  • Usually 100% recycled and recyclable
  • Flexible structure prevents cracks or leaks

Cons

  • The overall look isn’t as stylish or natural as other tile types
  • Not suitable for high pitch roofs (more suitable for flat and low pitch roofs)

Tin roof installation cost

Corrugated steel is one of the most popular materials used for tin roofs in the UK. They’re generally very durable and well-insulated. Commonly used for outbuildings like garden sheds, workspaces and garages.

Average cost of tin roof installation: £50-65 per m2

Pros

  • Inexpensive materials and lower labour costs
  • Quick and easy to install
  • Long lasting

Cons

  • Quality is dependent on the manufacturer
  • Aesthetically not suitable for many homeowners
  • Can be noisy, especially with rain
  • Metal is prone to denting

Roof structures

Roof installation prices

Pitched roof

A pitched roof is the typical sloped roof that is common on most houses in the UK. Their shape helps water and debris to run down the sloped sides and into the gutter.

Flat roof

As the name suggests, a flat roof does not have sloped sides. Popular on garages, modern apartment buildings and homes that want to make the most of having a living space on the roof, i.e. a roof terrace.

Average flat roof installation cost: £40-£55

Additional costs to consider

In addition to the roofing materials and labour, there are a number of other costs that you may need for your roof installation project:

  • Skip hire
  • Scaffolding
  • Structure works e.g. trusses/rafters/joists
  • Insulation
  • Battens
  • Membrane
  • Ply
  • Stripping off the existing roof
  • Soffits/fascias
  • Rainwater goods
  • Leadwork

How long does it take to replace a roof?

The amount of time to replace your roof will depend on the size and complexity of the job. The roof of an average 3-bedroom house with medium/large roof tiles will take about 3-4 days. Replacing rafters, guttering or other additional work would be extra.

Useful roof installation checklist

  • Establish the extent of the roof damage that needs to be repaired.
    Speak with local roofing experts for advice and accurate installation prices.
  • Decide whether you want re-roofing or a new roof installation.
  • When hiring a roofing expert, make sure you choose a tradesperson with experience and relevant qualifications/accreditations.
  • To keep costs down look into good quality second-hand tiles and/or reusing any existing tiles on your home that are in good condition (if you’re sticking with the same style roof).
  • Always shop around for the fair, competitive prices.