How do I know if the wall is load bearing?

If it carries joists, rafters or masonry above, it is likely load bearing. We can usually confirm from photos and a few measurements.

Do you need a site visit?

Most Manchester projects only need clear photos and measurements. We visit if the structure is unusual or complex.

Will Building Control accept your design?

Yes. Our structural calculations are used and accepted by Manchester, Trafford and Stockport Building Control.

Do I need padstones under the RSJ?

In almost all cases, yes. Padstones spread the load so the brickwork does not crush under the beam bearing.

What if the builder changes the opening?

Tell us before work starts. Even small changes to span or layout can change the beam size and design.

Is removing a wall safe?

It is safe when the wall is replaced with a properly sized beam and the builder uses the right temporary supports.

Why does deflection matter in a beam?

Deflection controls how much the beam moves under load. Too much movement leads to cracking and uneven floors.

What temporary supports are needed during the knock-through?

Most jobs use acrow props with needles or strongboys. We give clear notes on where and how they should be used.

Mon - Sat 09:00-18:00

+ (44) 07359267907

info@structuralengineercalcs.com

★★★★★

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. 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, no surprises. For a full breakdown of every project type including what affects price and what to watch out for with cheap quotes, see our dedicated structural engineer cost in Manchester 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.

Load bearing wall removal in Manchester from £300. We design the RSJ beam, check the padstones, confirm the bearing details and produce a complete Building Control-ready pack — typically within 24 hours. See our full guide to load bearing wall removal costs for the complete project budget including builder and steel.

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.

How We Work

Send your details: Email us your architect's drawings, estate agent floor plans or photographs. Anything is fine to start.

Fixed fee confirmed: We review the job and confirm the exact scope and a fixed fee before any work begins. No hidden costs.

Calculations and drawings: We analyse the load paths, size the beams and foundations and produce the full technical calculation pack.

Delivery and support: You receive a Building Control-ready PDF pack within 24–72 hours. We answer any queries from the inspector as part of the fee.

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.