Leeds & West Yorkshire
Looking for a structural engineer Leeds homeowners and builders trust? We provide fixed-fee structural calculations from £245 for wall removals, loft conversions, extensions and structural alterations across Leeds and West Yorkshire. Building Control-ready within 24 to 72 hours.
Leeds has every kind of house. Victorian terraces in Armley and Beeston, 1930s semis in Roundhay and Moortown, student rentals in Headingley, and brick homes across Pudsey and Bramley. We design the structure behind your plans — clear calculations, practical drawings, and direct support with Leeds Building Control.
We check load paths and floor directions before sizing your steel.
Most residential structural engineering jobs in Leeds cost between £245 and £1,500. All fees are fixed and confirmed in writing before we start — no hourly rates.
| Service | Typical Fee (Leeds, 2026) | What Is Included |
|---|---|---|
| Single RSJ beam calculation | £245 to £450 | Beam sizing, padstone design, masonry checks |
| Load bearing wall removal (engineer fee only) | £300 to £600 | Full Building Control calculation pack |
| Loft conversion structural design | £395 to £1,200 | Floor joists, ridge beam, dormer supports |
| Home extension structural calculations | £600 to £1,500 | Beams, foundations, roof structure |
| Structural inspection and report | £400 to £900 | Cracks, movement, subsidence, purchase reports |
| Site visit (when required) | £250 to £400 | Most residential jobs handled remotely |
We cover all common residential and commercial structural engineering across Leeds and West Yorkshire. From a single RSJ to a full extension or loft pack.
RSJ beam design and load bearing wall removals for all house types across Leeds. We check load paths through stone and brick walls, size the steel, design padstones and produce a full Building Control-ready pack. Stone terraces and back-to-back houses in Armley, Harehills and Beeston need particular care.
Loft conversions across Leeds and West Yorkshire. Many Leeds lofts have good headroom but need ridge beams, purlin upgrades and dormer support designing. We cover hip-to-gable conversions, full dormers and bungalow lofts in Roundhay, Adel, Moortown and Horsforth. See our loft conversion guide.
Rear and side extensions across Leeds. We design steel beams over wide openings, roof structures, floor joists and foundation checks for all layouts. From compact terraced house extensions in Beeston to larger detached homes in Alwoodley and Collingham. See our extension guide.
All our structural calculations for Leeds are produced to Eurocodes and UK National Annexes and accepted by Leeds City Council Building Control and private approved inspectors. Your pack includes beam sizing, padstone checks, connection details and deflection calculations — formatted to match what Leeds inspectors expect. If they raise queries, we respond directly at no extra charge.
As a domestic structural engineer Leeds homeowners use, we handle all types of residential alterations — wall removals, chimney breast removals, new openings, loft steelwork and extension calculations. Whether you are in a Victorian terrace in Armley or a 1930s semi in Moortown, we know what to look for. Residential structural engineer Leeds fees start from £245.
Structural inspection reports for cracks, movement, sagging floors and pre-purchase assessments across Leeds. Some parts of Leeds sit on clay or mixed ground — we identify whether problems are historic or active and produce a clear report your insurer or mortgage lender will accept. Site visits in Leeds are £250 to £400. See our structural report guide.
Local factors that affect structural design and costs across Leeds and West Yorkshire.
Common across inner Leeds. Shared party walls and compact layouts mean load paths need careful checking before any wall removal or new opening is designed.
Headingley and Hyde Park properties often have years of unrecorded internal changes. We check existing beams, modified walls and altered floor structures before designing anything new.
Many Leeds terraces and semis had chimney breasts removed decades ago without structural design. We identify these when assessing loads above a new opening.
Leeds has both stone-built Victorian terraces and later brick-built semis. Wall construction type affects padstone sizing and bearing strength — we account for this in every design.
Older properties in Armley, Beeston and Harehills often have shallow foundations. Important when adding extensions or new heavy openings — we check bearing capacity as standard.
We work directly with Leeds City Council Building Control and all private approved inspectors. We respond to technical queries as part of the service at no extra charge.
A straightforward five-step process to get your Leeds project Building Control-ready.
Architect plans, estate agent floor plans or a sketch with dimensions. Photos of the existing rooms are helpful. Anything is fine to start.
We respond with a fixed price in writing before any work begins. No hourly rates or hidden extras. You know the cost upfront.
We design the beams, joists and foundations, check all loads and produce your pack to Eurocode standards.
A tidy PDF with calculations and drawings your builder and Leeds Building Control can use straight away. Ready within 24 to 72 hours.
If Building Control or your builder has questions, we answer them directly. If the layout changes on site, we review and update.
Recent feedback from homeowners and builders across Leeds and West Yorkshire.
"SECalcs designed an RSJ for our kitchen-diner knock-through in Roundhay. Clear drawings and no issues with Leeds Building Control whatsoever."
Daniel H, Roundhay, Leeds
"Needed loft conversion beams and dormer details for a property in Pudsey. The structural calculations pack was quick, clear and our builder followed it without any confusion."
Sarah M, Pudsey, Leeds
"Had cracking in a terrace in Beeston that we were worried about. SECalcs inspected it, explained exactly what was going on and gave us a straightforward repair plan."
Chris J, Beeston, Leeds
We provide structural engineering services across Leeds and the wider West Yorkshire region.
Common questions from Leeds homeowners, builders and developers.
Most residential structural engineering jobs in Leeds cost between £245 and £1,500. A single RSJ beam calculation starts from £245. A loft conversion structural package is £395 to £1,200. A home extension is £600 to £1,500. A structural inspection and report is £400 to £900. All fees are fixed and confirmed before we start — no hourly rates. Full guide: structural engineer costs UK.
Structural calculations for Leeds Building Control include beam sizing, padstone design, masonry checks, connection details, deflection and shear checks, and clear drawings your builder can follow on site. All calculations are produced to Eurocodes and UK National Annexes. We format packs to match what Leeds City Council Building Control expects — fewer queries, faster approvals. See our structural calculations guide.
Yes. We are a domestic structural engineer Leeds homeowners use for wall removals, loft conversions, extensions, chimney breast removals and all residential structural calculations. Whether you are in a Victorian terrace in Armley or a 1930s semi in Roundhay, we know what to look for. Residential structural engineer Leeds fees start from £245.
Yes. Leeds City Council Building Control require structural calculations before approving any load bearing wall removal. A builder cannot provide these. You need a qualified structural engineer Leeds Building Control will accept to design the beam, check the padstones and produce the full calculation pack. Wall removal guide.
Most Leeds residential jobs are ready within 24 to 72 hours. A single RSJ calculation is typically done the next working day. Loft conversions and extensions take 2 to 3 working days. Priority turnaround is available if your build is already under way.
Yes. We regularly design beams, joists and loft upgrades for properties in Headingley, Hyde Park and other student areas of Leeds. HMO properties often have unusual load paths from years of internal changes — we check all existing structure before designing anything new.
Yes. All our calculations comply with Eurocodes and UK National Annexes and are accepted by Leeds City Council Building Control and private approved inspectors. If an inspector raises queries, we respond directly as part of the service at no extra charge.
Yes. We cover all of West Yorkshire including Wakefield, Bradford, Huddersfield, Harrogate, Wetherby, Otley, Shipley and Keighley — same fixed fees and turnaround as Leeds jobs. Send your postcode and we will confirm same day.
Most jobs are handled remotely from drawings and photos, which keeps costs lower and speeds things up. If a visit is necessary for complex structural issues or a defect inspection, we will tell you upfront. Site visits in Leeds and West Yorkshire are £250 to £400.
Fill in the form and we will send a direct fixed price. We are engineers, not salespeople.
Fixed fees, fast turnaround and Building Control-ready calculations every time. Call us on 07359 267907 or fill in the quote form above and we will come back to you the same working day.
