If you’re planning home improvements such as removing a wall, extending your property, or converting your loft, one of the first questions you’ll have is: how much are structural engineer costs for residential projects?
As a freelance structural engineer working primarily in the residential sector, Radlett Structural Engineers regularly supports homeowners with these types of projects. Below is a helpful guide to typical costs, so you know what to expect when budgeting.
Internal Alterations (e.g. Load-Bearing Wall Removals)
One of the most common requests is an internal renovation, such as the removal of a load-bearing wall to create open-plan living spaces.
For a single wall removal, fees typically start from £475 (inclusive of VAT)
This includes:
- One site visit
- Structural design
- Structural drawings and calculations
If your project involves multiple wall removals, the cost will increase depending on the number and complexity. However, this is usually incremental rather than simply doubling the fee—for example, projects may range from £550 to £700+.
Single-Storey Rear Extensions
Rear extensions are a popular way to add space and value to your home.
For a single-storey extension, the service includes:
- A site visit
- Structural design
- Structural drawings and calculations
Typical costs range between £950 to £1,500.
The final fee depends on:
- Size of the extension
- Structural complexity
For larger or double-storey extensions, costs will vary and are assessed on a project-by-project basis.
Loft Conversions
Loft conversions are an excellent way to maximise unused space, but they often involve more structural considerations.
Our service includes:
- Site visit
- Structural design
- Structural drawings and calculations
Typical costs start from £1,375, increasing up to £2,000 for more complex projects.
Higher costs usually apply to:
- Larger loft spaces
- Detached properties
- Projects with more complex structural requirements
New Build Projects
For new build homes, fees are assessed on a project-by-project basis.
Costs depend on:
- Review of architectural/planning drawings
- Size and layout of the property
- Structural complexity
A tailored quote is provided after reviewing the available information.
What Is The Process When You Appoint a Structural Engineer?
We aim to keep things simple and transparent:
- Initial Enquiry: You contact us with details of your project.
- Fee Proposal: We provide a clear, written quote outlining the scope and cost.
- Client Approval: We only proceed once you confirm in writing that you’re happy to proceed.
- Site Visit & Design: We arrange the site visit and begin preparing your structural drawings and calculations.
We will also respond and deal with queries from Building Control that relates to our design included within the fee.
If you have an upcoming project in Radlett or any of the areas below, please get in touch with the friendly structural engineers in our team. Call us on 01923 866 716
Borehamwood | Bushey | Chipping Barnet | Enfield | Garston | Harrow | Mill Hill | Potters Bar | Radlett | Shenley | Stanmore | Watford