Chimney Breast Removal Costs in London: What to Expect

Considering removing a chimney breast to maximize space or modernize your London home? One of the most crucial questions homeowners have is, “How much does chimney breast removal cost in London?”

The cost of chimney breast removal can vary widely depending on several factors, including the size and location of the chimney breast, the method of removal, and structural support requirements. As experienced structural engineers in London, we’ve helped countless homeowners safely and efficiently remove chimney breasts while staying within budget.

In this detailed guide, we’ll break down the costs associated with chimney breast removal, what influences the price, and how to budget for your project.

If you’re ready to get started or need expert advice, contact us at Contact Page. Visit our website Chimney Breast Removal PRO  to learn more about our services or to request a free consultation.

1. How Much Does Chimney Breast Removal Cost in London?

Chimney Breast Removal Costs in London: What to ExpectOn average, chimney breast removal in London can cost between:

  • £1,500 – £3,000 for ground floor or first floor removal.
  • £3,000 – £5,000 for full removal, including the chimney stack.

However, these are just ballpark figures. Actual costs depend on several factors, including the size and complexity of the project, structural requirements, and additional expenses like plastering, decorating, and waste removal.

Let’s explore the key factors that influence the cost of chimney breast removal in London.

2. Factors Influencing Chimney Breast Removal Costs

a. Size and Location of the Chimney Breast
The cost of removal depends on the size and location of the chimney breast:

  • Ground Floor Removal: Generally the cheapest option, as it doesn’t require complex structural support.
  • First Floor Removal: Slightly more expensive as it involves supporting the chimney above.
  • Full Removal (Including Chimney Stack): The most expensive option, as it involves external scaffolding, roofing repairs, and potential planning permission.

b. Type of Property
Costs vary depending on the type of property:

  • Terraced or Semi-Detached Homes: Require Party Wall Agreements with neighboring properties, adding legal and administrative costs.
  • Flats and Apartments: Often require permission from the freeholder and may involve additional structural considerations.

c. Structural Support Requirements
Chimney breasts are often load-bearing structures. Removing them requires installing appropriate structural supports, such as:

  • Steel Beams: To support the remaining load above the removal area.
  • Gallows Brackets: A more cost-effective option for partial removals.

The complexity and cost of structural support depend on the chimney’s role in the building’s stability. As structural engineers, we provide detailed structural calculations and design solutions to ensure safety and compliance with Building Regulations.

3. Breakdown of Chimney Breast Removal Costs

To help you budget accurately, here’s a breakdown of typical costs associated with chimney breast removal in London:

a. Structural Engineer Fees
You’ll need a structural engineer to assess the chimney breast, design appropriate support systems, and prepare structural calculations for Building Regulations approval.

  • Structural Assessment and Calculations: £300 – £800
  • Design and Specification of Support Systems: £500 – £1,200

We offer transparent pricing with no hidden costs, ensuring you know exactly what to expect.

b. Labour and Demolition Costs
The cost of removing the chimney breast depends on the size and complexity of the job:

  • Ground Floor or First Floor Removal: £1,000 – £2,500
  • Full Removal Including Chimney Stack: £3,000 – £5,000

These costs include demolition, waste removal, and making good (e.g., plastering and painting).

c. Structural Support Installation
Depending on the design, you may need to install:

  • Steel Beams: £800 – £2,000 (including supply and installation)
  • Gallows Brackets: £250 – £600

d. Building Regulations and Party Wall Agreements

  • Building Regulations Approval: £300 – £600
  • Party Wall Surveyor Fees: £700 – £1,500 (if required)

If your property shares a wall with a neighbor, you’ll need a Party Wall Agreement under the Party Wall etc. Act 1996. We assist you with serving Party Wall Notices and managing the legal process.

e. Additional Costs

  • Scaffolding: £500 – £2,000 (if external chimney stack removal is involved)
  • Roof Repairs: £300 – £1,000 (to make good after chimney stack removal)
  • Plastering and Decorating: £300 – £800

4. Do You Need Planning Permission?

In most cases, planning permission is not required for internal chimney breast removal. However, you’ll need permission if:

  • Your property is listed or in a conservation area.
  • The removal affects the external appearance (e.g., chimney stack removal).
  • You live in a flat or apartment with shared walls.

Our team provides expert guidance on planning permission and handles the entire approval process, ensuring full compliance.

5. How to Save on Chimney Breast Removal Costs

To minimize costs without compromising on safety or quality, consider the following tips:

  • Opt for Partial Removal: If possible, remove only the lower section and support the remaining chimney above.
  • Choose Gallows Brackets: A cost-effective alternative to steel beams for partial removals.
  • Combine with Other Renovations: Bundling multiple renovation projects can reduce overall labour and material costs.

We provide cost-effective solutions tailored to your needs, maximizing value and minimizing expenses.

Why Choose Us for Your Chimney Breast Removal in London?

As seasoned structural engineers specializing in chimney breast removal in London, we understand the complexities and challenges of this structural modification. Our comprehensive service includes:

  • Expert Structural Assessment: Ensuring safety and stability
  • Detailed Structural Calculations: For Building Regulations approval
  • Party Wall Agreement Assistance: Navigating legal requirements
  • Efficient Project Management: From design to debris disposal


With us, you can rest assured that your chimney breast removal will be carried out safely, efficiently, and in compliance with all regulations.

Ready to Remove Your Chimney Breast? Contact Us Today!

If you’re considering removing a chimney breast in your London property, don’t take unnecessary risks. Trust the structural engineering experts at Our Company. Visit our website chimneybreastremovalpro.co.uk to learn more about our services, view our portfolio, or request a free consultation.

Don’t let hidden surprises catch you off guard. Contact us today and let’s bring your renovation vision to life – safely and professionally!