If you're considering replacing your roof, one of the first questions you'll probably have is how much a new roof costs.

The answer depends on the size and complexity of your roof, the materials you choose and the condition of the existing structure. However, to help you start budgeting, we've provided some rough estimated costs below.

For an accurate price based on your property, LS Roofing provides free, no-obligation quotations for homeowners in Brentwood and the surrounding areas.

Estimated New Roof Costs in 2026

As a general guide, the cost of a complete roof replacement can vary significantly depending on the type and size of the property, the materials used and the complexity of the work.

Small terraced property – concrete tiles: £5,500–£9,000

Typical 3-bed semi – concrete tiles: £7,000–£14,000

Typical 3-bed semi – clay tiles: £8,500–£17,000

Typical 3-bed semi – natural slate: £13,000–£20,000

Larger detached property – tiled roof: £13,000–£20,000+

Larger or more complex slate roof: £20,000–£30,000+

Important: These Prices Are Estimates Only

The figures above are intended as a general guide to help with budgeting and should not be treated as a quotation.

Every property and roof is different. The final cost can vary depending on factors such as the size and pitch of your roof, access, scaffolding requirements, the materials chosen, the condition of the existing roof and whether any additional repairs are needed.

A full and accurate quotation can only be provided after inspecting your roof and assessing the work required.

At LS Roofing, we provide free, no-obligation inspections and quotations, so you can understand exactly what work is needed and what is included before making a decision.

Call us today on 07394 424 520 for your free quote.

What Affects the Cost of a New Roof?

The cost of a roof replacement can vary significantly from one property to another. Here are some of the main factors that can affect the final price.

1. The Size of Your Roof

One of the biggest factors affecting the cost of a new roof is its size.

Larger roofs generally require more:

Materials
Labour
Time
Scaffolding
Removal and disposal of existing materials

The complexity and shape of the roof can also affect the overall cost.

How Much Does a New Roof Cost?

2. The Type of Roofing Material

The materials you choose can have a significant impact on the cost of your new roof.

Concrete tiles are generally one of the more cost-effective options, while clay tiles and natural slate can increase both material and installation costs.

The most suitable material will depend on your property, budget and the type of roof being replaced.

3. The Complexity of Your Roof

A simple, straightforward roof is generally less complex to replace than one with multiple features.

Factors that can increase the amount of work involved include:

Valleys
Chimneys
Dormer windows
Skylights
Multiple roof levels
Complex roof shapes
Hips and other detailed roof features

These can require additional materials, cutting, detailing and labour.

4. Scaffolding and Access

Safe access is an important part of most roof replacement projects.

The cost of scaffolding can vary depending on:

The size and height of the property
Access around the property
The complexity of the scaffolding required
How long it is needed for

Properties with restricted or difficult access may require additional work, which can affect the overall cost.

5. The Condition of the Existing Roof

Once the existing roofing materials are removed, additional issues can sometimes become visible.

This could include problems with:

Roof timbers
Battens
Roofing membrane
Leadwork
Valleys
Flashings

If additional repairs are required, these may affect the final cost of the project.

What Is Included in a Roof Replacement?

A complete roof replacement can involve much more than simply removing old tiles or slates and installing new ones.

Depending on your property and the specification of the work, a quotation may include:

Removal of existing roofing materials
Disposal of old materials
Scaffolding
Checking the roof structure
New roofing membrane
New battens
New tiles or slates
Ridge and verge work
Leadwork and flashings
Repairs to associated roofing components where required

The exact work included can vary between properties and roofing contractors, so it's always important to check exactly what is included in your quotation.

Is It Cheaper to Repair or Replace a Roof?

For isolated problems, a roof repair is often the most cost-effective option.

For example, a small number of damaged tiles, a localised leak or a specific issue with flashing may be repaired without replacing the entire roof.

However, if your roof has widespread deterioration, recurring leaks or you're repeatedly paying for repairs, a roof replacement may offer better long-term value.

A professional inspection can help determine whether repairing or replacing your roof is the most appropriate option.

How Can I Get an Accurate New Roof Quote?

Online cost guides can give you a useful starting point, but they can't take into account the specific condition and requirements of your property.

To provide an accurate quotation, we'll need to consider:

The size and layout of your roof
The materials currently in place
The condition of the existing roof
Access and scaffolding requirements
Your preferred replacement materials
Any additional work that may be required

Following an inspection, LS Roofing can provide a clear, no-obligation quotation based on the specific work required for your property.

Thinking About Replacing Your Roof?

The prices in this guide can give you a rough idea of what a new roof may cost, but the only way to receive an accurate quotation is to have your roof professionally assessed.

Whether you're dealing with an ageing roof, recurring repairs or you're simply considering your options, LS Roofing can inspect your roof and provide honest advice on the most appropriate solution.