Structural Engineers in London

Learn more about our structural engineering services and get a free quote

Structural Engineers

Before a project is undertaken, a structural engineer in London will carry out structural calculations to plan out the foundations of the project. This vital stage occurs following planning approval and during the building regulation drawing stage, ensuring the entire team is working to the same calculations. Typically this process will detail the key information such as foundation measurements, required materials, structural works, timescale and any potential risks so all health and safety requirements can be met.

Whether you are undergoing a straightforward project such as barn conversionssingle storey extensionhouse extensions in London or a larger scope of work such as a new build flat complex, you will need to find a company offering reliable structural engineering services who are able to carry out structural calculations in line with government requirements which owners, developers and contractors can work with.

Get A Structural Engineer Quote

Step by step guide to the planning permission process

why choose EA - icon

STEP 1 – Introduction

If you don’t require planning permission then you are able to appoint a structural engineer from the onset. If you do require plans to be approved by your local council then it is always best to wait until you acquire planning approval. At this vital stage, your designer will open discussions about appointing the various specialists needed for the next phase of design and introduce you to our trusted structural engineers, party wall surveyors and technical architects.

why choose EA - icon

STEP 2 – Costs of Structural Engineers

Choosing the right structural engineer is imperative for your project and you may be wondering where to start? Extension Architecture will send your final plans to our affiliated structural engineers to obtain the best possible quote. By using our quote comparison service, this can be hugely beneficially in saving you time and energy in finding the right structural engineer for your project with the right fees attached.

why choose EA - icon

STEP 3 – Structural Engineer Site Survey

On instruction, the chosen structural engineer will visit the property to undertake the necessary checks to study the integrity of the building by checking the condition of the foundations, load-bearing walls, exterior walls and relevant infrastructure of the building. The structural engineer will also be double checking all the measurements to ensure that any future drawings will be accurate and correct.

why choose EA - icon

STEP 4 – Structural Engineer Drawings and Calculations

The structural engineer will take the relevant information discovered at the site visit to produce the structural engineer drawings and calculations needed for Building Control. These drawings typically have a two week turn-around period to ensure timely delivery of the documents.

why choose EA - icon

STEP 5 – Document Checks & Final Drawings

The structural engineer drawings and calculations can be done parallel to the building regulations drawings. Extension Architecture will undertake the relevant checks to confirm the specialist documents correlate and contain the correct information needed for Building Control and for your builder. The detailed drawing pack will be sent to you for one final check, and any revisions, if needed will be amended by our specialists.

why choose EA - icon

STEP 6 – Ready to Build

At this point, you should have all your documents ready to start looking for a builder. We call this the tender phase where builders will take a look at the drawings provided by the engineer, technical architect all other relevant parties so that they can start costing the build elements for your project. Extension Architecture offers a bespoke service called The Tender Pack in which we create “builders manual” for construction. This is an extensive document detailing internal finishes, textiles, built in furniture, external finishes and procurement of materials which saves you major headaches and helps your construction feel hassle free.

Let us know your plan and get a quick quote or free consultation today

Reputable Structural Engineering Services

Here at Extension Architecture, we can partner with you from day one of your project to ensure high standards are maintained from our architects in London throughout. With years of experience developing structural systems for buildings of all sizes and taking on architectural challenges of varying complexities, our structural engineers in London are known for their innovative and effective solutions.

Our structural engineering services span wide so we can design structures using steel, concrete, glass, timber and aluminium. By having a strong awareness of the market conditions and offering professional advice on the appropriate design of your project, find a structural engineer in London you can count on to offer a trustworthy service.

The structure of any building work will form the skeleton so it is vital that structural calculations are made correctly to help avoid any problems throughout the life of the building. When it comes to extensions or new build properties, our structural engineering services focus primarily on the foundations, walls, columns, beams and roof to ensure its stability and safety are a priority.

Work with Our Structural Engineers in London

From traditional home extensions to stunning and original double storey extensions, we are known for our challenging structures and sites, delivering successful results even when it seems impossible. The quality of our structural engineering services are reflected in our excellent repeat client list, welcoming back our long term residential, commercial and leisure industry clients. From years of experience establishing reliable structural calculations for such a wide range of clients across a variety of projects and materials, we are confident that we can help you decide on an outstanding solution for your project to bring your visions to life.

If you would like to learn more from our structural engineers in London, we’d love to hear from you. Whether you would like to get some answers to any questions you may have or are looking to request a personalised quote to get a clearer idea of the capabilities within your budget, our friendly team are here to help.

Visit to know more about the best structural engineers near me in London.

Get an Free Quote from EA
I need planning permission / architectural drawings, I would like a quote from EA.
Call EA
If you would like to speak to us on your architectural project, please call us on
Get an Advice from EA
I am not sure of what I can achieve. I would like to speak to a planning consultant.

Steph Fanizza

Architectural Design & Team Manager

Tell us about your plan and we'll send you a free quote! It takes less than 60 seconds!

Step 1 of 8









Book a free video meeting