Structural Engineer Manchester
Looking for a structural engineer Manchester homeowners and builders trust? We provide fixed-fee structural calculations from £245 for wall removals, loft conversions and home extensions across Manchester and Greater Manchester. Most jobs are Building Control-ready within 24–72 hours.
- Building Control-ready calculations in 24–72 hours
- Fixed fee confirmed before we start — no surprises
- No site visit required for most residential projects
- Covering all of Greater Manchester including Didsbury, Sale, Stockport, Bolton and Salford
For a full breakdown of what structural engineers charge across all project types, see our structural engineer cost guide.
Structural Engineer Manchester: Costs & Fees (2026)
Most residential structural engineering jobs in Manchester cost between £245 and £1,500, depending on the type and complexity of the project. Here are the typical 2026 fees for a structural engineer Manchester residents and builders use:
| Service | Typical Fee (Manchester, 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 |
You always get a fixed fee confirmed before we start — no hourly rates or unexpected additions. For a full comparison with national rates, see our complete UK structural engineer cost guide.
Wall Removal Manchester: Structural Calculations
Wall removal in Manchester is one of our most common jobs. Whether you are knocking through a kitchen in a Chorlton terrace, opening up a lounge in a 1930s semi in Sale, or creating an open-plan layout in a Didsbury Victorian, we provide everything needed for Building Control approval.
For wall removals in Manchester terraces where the beam sits in a shared party wall, we advise on Party Wall Agreement requirements as part of the service.
Our Core Services in Manchester
Steel Beam & RSJ Calculations Manchester
We design steel beams for any scenario, from simple door widenings to complex open-plan layouts using S275 or S355 grade steel.
We account for typical Manchester constraints such as concrete floors in city centre apartments, or heavy tiled roofs on 1930s semis in Didsbury and Cheadle.
Load Bearing Wall Removal
We determine whether the wall is load bearing, calculate the RSJ size, design the padstones and provide clear propping notes for your builder.
If your beam sits in a shared wall — common in Manchester terraces — we advise on Party Wall Agreement requirements.
Home Extension Structural Design
From single-storey rear extensions to wrap-around and double-storey additions. We design the complete structural shell including foundations, steel box frames for bi-fold doors and roof structures.
For projects in Sale and Altrincham we check foundation depths against local clay and sandy soil profiles to prevent future settlement.
Loft Conversion Engineering
We design the steel ridge beams and floor strengthening needed to support a habitable room while maintaining the critical 2.2 metre headroom requirement.
Includes dormer framing, hip-to-gable steelwork and purlin removal support across all Greater Manchester property types.
Recent Manchester Projects
Wall removal in Chorlton
Designed an RSJ with padstones for a 4m opening in a Victorian terrace. Kitchen knock-through approved by Building Control in one submission.
Engineer fee: £345
Open-plan extension in Sale
Full structural pack for a rear extension with bi-fold doors on a 1930s semi. Foundations designed for the local clay soil. Building Control pack delivered within 48 hours.
Engineer fee: £750
Loft conversion in Didsbury
Hip-to-gable conversion on a 1930s semi. Ridge beam, floor joists and dormer framing designed to maintain 2.3m headroom. Coordinated with the architect's planning drawings.
Engineer fee: £850
Structural report in Stockport
Assessed diagonal cracking on the rear elevation of a mid-terrace. Identified the cause as minor settlement, provided monitoring recommendations and a repair specification.
Engineer fee: £450
How We Work
House Types Across Manchester
What they mean for your structural design:
Chorlton, Levenshulme, Fallowfield, Withington
Victorian Terraces
Bay-fronted terraces with shallow strip footings, timber floors and load-bearing party walls. We check bearing capacity and advise on Party Wall requirements for shared walls.
Didsbury, Sale, Heaton Moor, Cheadle
1930s & 1950s Semis
Ideal for open-plan conversions and rear extensions. Heavy tiled roofs mean steels need to carry significant load. We check existing lintels and wall stability.
Withington, Whalley Range, Chorlton-cum-Hardy
Edwardian Villas
Larger properties with higher ceilings and deeper rooms. Often need bigger steels and deeper foundations. We design for the additional loads.
Salford Quays, Ancoats, Media City
New-Build & Apartments
Modern trussed roofs, timber frame and steel frame construction. Connection detailing needs careful attention. We check manufacturer specifications before designing.
What Manchester Clients Say
"Needed a knock-through in our 1930s semi in Didsbury. SECalcs explained everything clearly and had the calculations ready in two days. Building Control passed it straight away."
"Our rear extension in Sale needed a full structural pack. The engineer was thorough, the price was fair, and the turnaround was fast. Would recommend to anyone in South Manchester."
"Had a tight loft conversion in Chorlton where headroom was borderline. SECalcs found a design that worked and gave us drawings the builder could follow easily."
Areas We Cover Across Greater Manchester
We cover the entire Greater Manchester conurbation. As a structural engineer Manchester and surrounding areas rely on, we regularly work across:
- Didsbury
- Chorlton
- Withington
- Fallowfield
- Levenshulme
- Burnage
- Sale
- Altrincham
- Timperley
- Hale
- Stretford
- Urmston
- Cheadle
- Bramhall
- Hazel Grove
- Heaton Moor
- Marple
- Stockport
- Bolton
- Salford
- Bury
- Wigan
- Rochdale
- Oldham
FAQs: Structural Engineer Manchester
How much does a structural engineer cost in Manchester?
Most residential structural engineering jobs in Manchester 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. You always get a fixed fee confirmed before we start — no hourly rates.
Do I need a structural engineer to remove a wall in Manchester?
Yes. Building Control require structural calculations before approving any load bearing wall removal. A builder's estimate of what steel to use is not accepted. You need a qualified structural engineer Manchester Building Control will recognise — someone who can design the beam, check the padstones and produce the full calculation pack.
How long do structural engineering calculations take in Manchester?
Most Manchester jobs are ready within 24 to 72 hours. A single RSJ calculation for a kitchen knock-through 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.
Should I use a Full Plans application or a Building Notice?
We strongly recommend the Full Plans application. A Building Notice allows you to start work quickly but carries financial risk — if Manchester City Council Building Control finds non-compliance after work is done, you may have to alter completed work at your own expense. A Full Plans application gives you plans-passed protection before you start.
Do you need to visit my property in Manchester?
Often no. We complete approximately 90% of residential beam and wall designs remotely using your drawings and photos, which keeps costs lower. If a visit is necessary for complex structural issues or if drawings are unavailable, we can arrange attendance at £250 to £400.
What is the minimum headroom for a loft conversion?
Ideally you need 2.2 metres from the top of the joists to the bottom of the ridge board before work begins. If height is tight we may need to design a dormer or look at lowering ceilings, which changes the structural requirements and the fee.
My builder says he knows what steel to use. Do I still need a structural engineer?
Yes. A builder's best guess is not insurance-backed and will not satisfy Building Control. Installing a beam without calculations is a risk — if it deflects later it damages finishes and you may face legal issues when selling. A structural engineer Manchester homeowners trust provides the proof the design works and the completion certificate you need.
Can you work from my architect's drawings?
Yes. We regularly collaborate with architects across Manchester and Greater Manchester. If you have planning drawings in PDF or DWG format, we can overlay our structural layer directly onto them, ensuring the engineering works with your architect's layout.
Get Started with a Structural Engineer Manchester Today
Fixed fees, fast turnaround and Building Control-ready calculations every time. Call us on 07359 267907 or fill in the form above and we will come back to you the same day.
- Head Office: Corwell Lane, Uxbridge, England, UB8 3DE.
- 07359 267907
- info@structuralengineercalcs.com
- Company No: 12653163