RSJ and Steel Beam Design
Calculations from £245 for removing load-bearing walls and creating new openings in Newcastle terraces and Tyneside flats.
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Newcastle upon Tyne • Newcastle structural engineers
Structural Engineers in Newcastle – RSJ beams, loft conversions and extensions
Our Newcastle structural engineers provide fixed-fee calculations from £245 for RSJ beams, loft conversions Newcastle upon Tyne and home extensions. Whether you search for structural engineers in Newcastle or Newcastle structural engineers, you reach the same qualified team designing calculations Building Control accept first time.
We cover the whole city and surrounding North East areas, providing designs for loft conversions, rear extensions and internal alterations in terraces, Tyneside flats and semis.
We work with homeowners, architects and contractors in Newcastle upon Tyne, Gateshead, Sunderland, Durham and across Tyne and Wear.
Project example
Newcastle upon Tyne terrace renovation
- ✓RSJ beams for open-plan living in a Tyneside flat
- ✓New floor structure for loft conversion Newcastle upon Tyne
- ✓Items: Beams, padstones, timber
- ✓RSJ turnaround: 24 to 72 hours
- ✓Typical house: Tyneside flats and terraces
Typical fees for structural engineers in Newcastle
Indicative costs for common domestic work from our Newcastle structural engineers. Send your plans for an exact fixed price.
| Service | Typical Fee (Newcastle 2026) | What Is Included |
|---|---|---|
| Structural opening and wall removal design | £245 to £450 | Beam sizing, padstone design, masonry checks |
| Extension steelwork calculations | £345 to £1,000 | Foundations, masonry checks and steelwork |
| Loft conversion engineering Newcastle upon Tyne | £395 to £1,000 | Ridge beam, floor joists, dormer supports |
| Structural inspection and report | £400 to £900 | Cracks, subsidence, clay movement, pre-purchase |
Services provided by structural engineers in Newcastle
The core engineering tasks our Newcastle structural engineers provide for local homeowners and construction teams across Newcastle upon Tyne.
Loft Conversions Newcastle upon Tyne
Structural design from £395 for new floor joists, steel ridge beams and dormers in loft conversions Newcastle upon Tyne terraces and semis.
Home Extensions
Steel and masonry design from £345 for rear or side extensions across Newcastle, Gateshead and the wider North East.
Wall Removal Checks
Confirming if a wall carries load and specifying the right RSJ, bearings and padstones for your builder.
Roof and Timber Design
Rafter and purlin checks for traditional timber roofs in older Newcastle upon Tyne properties.
Structural Inspections
Assessments from £400 for cracks, movement and altered supports in existing Newcastle upon Tyne buildings.
Why choose our Newcastle structural engineers
Simple reasons why local clients trust our Newcastle structural engineers.
Upfront fixed costs from £245
We quote a fixed fee before starting – from £245 for RSJ beams – so there are no unexpected bills on your Newcastle upon Tyne project.
Fast turnaround
RSJ beam designs within 24 to 72 hours. Larger loft and extension packs within 3 to 5 working days. Builders in Newcastle are never left waiting long.
Technical support included
We deal with Newcastle Building Control or a private inspector if they need clarification – included in your original fee.
Newcastle upon Tyne house types
We design with local housing in mind – Tyneside flats, Victorian terraces, and 1930s semis. Providing one joined-up design that ties RSJs, joists, and bearings together.
What You Get in Your Pack
A clear set of structural calculations helps your project move smoothly through Building Control. Our packs are straightforward for both inspectors and builders.
Structural Calculation Pack:
- ✓RSJ and steel beam design
- ✓Floor and roof calculations
- ✓Foundation checks for extensions
- ✓Clear sketches showing each item
- ✓Timber design for joists/rafters
- ✓Padstones and bearing details
Building Control:
We handle any technical queries from Newcastle Building Control or a private inspector until the design is signed off.
How our structural engineers in Newcastle work
A straightforward four-step workflow for getting your structural design approved across Newcastle upon Tyne and the North East.
1
Email your details
Send architectural drawings or a simple sketch with dimensions and the property address in Newcastle or the wider North East. We confirm the scope of work.
2
Fixed price quote and timescale
We provide a set cost for the engineering pack – RSJ beam designs within 24 to 72 hours. Larger loft and extension packs within 3 to 5 working days.
3
Engineering design
We produce the structural calculations and drawings required for your Newcastle project. Everything is sent digitally as a clear PDF.
4
Building Control support
We handle any technical queries from Newcastle Building Control or a private inspector until the design is signed off.
Recent feedback from Newcastle clients
What homeowners and builders say about our structural engineers in Newcastle.
★★★★★
"Efficient and helpful. The calculations for our kitchen knock-through were accepted immediately by Building Control."
Sarah J – Jesmond
★★★★★
"Great service. They turned the loft calculations around quickly so our joiner could get started on site."
Mark R – Gosforth
★★★★★
"Professional and easy to deal with. The fixed price was very reasonable for the work involved."
Laura P – Heaton
Areas we cover near Newcastle upon Tyne
We handle projects across Newcastle upon Tyne and the wider North East. Most work is done remotely using plans, but site visits can be arranged if necessary.
●Gateshead
●Jesmond
●Heaton
●Gosforth
●Wallsend
●Whitley Bay
●South Shields
●North Shields
●Tynemouth
●Sunderland
●Durham
●Cramlington
●Ponteland
●Morpeth
●NE1–NE40 postcodes
Structural engineers in Newcastle – common questions
Common queries about residential engineering projects in Newcastle upon Tyne and the wider North East.
Do you need to visit the property in Newcastle?
Not always. For standard extensions and beam designs, we can often work from architectural plans and photos sent by email. If a site visit to a Newcastle upon Tyne property is required, we will let you know in advance and include the cost in the quote.
What do structural engineers in Newcastle charge?
Our structural engineers in Newcastle charge fixed fees confirmed before work starts. Typical prices: RSJ and wall removal design from £245, home extension steelwork from £345, loft conversion engineering Newcastle upon Tyne from £395, and structural inspection and report from £400. We always provide a fixed quote first with no surprises.
Are the calculations suitable for Building Control?
Yes. All our work is designed to British Standards and Eurocodes, presented in a format that Newcastle Building Control inspectors accept. If a query comes back, we answer it as part of the service.
Are you Newcastle structural engineers or a single engineer?
We are a team of qualified Newcastle structural engineers covering residential projects across Newcastle upon Tyne and the wider North East. Whether you search for "Newcastle structural engineers" or "structural engineers in Newcastle", you reach the same experienced team. All designs are reviewed by a chartered engineer before delivery.
Can you help with loft conversions Newcastle upon Tyne?
Yes. Loft conversions Newcastle upon Tyne are one of the most common projects our structural engineers handle. We design ridge beams, new floor joists and dormer steels for terraced houses, Tyneside flats and semis across the city. Loft conversion structural design starts from £395. Send your architect drawings or photos and we will confirm the scope and price.
How quickly do structural engineers in Newcastle turn around designs?
RSJ beam and single wall removal designs are typically returned within 24 to 72 hours of receiving your drawings and photos. Larger packs for loft conversions and extensions are normally ready within 3 to 5 working days. The more detail you send upfront, the faster our Newcastle structural engineers can work.
Do you cover Sunderland, Durham and the wider North East?
Yes. Our structural engineers in Newcastle also cover Sunderland, Durham, Gateshead, Cramlington, Morpeth, Ponteland, Tynemouth and surrounding NE postcode areas. Most designs are prepared from drawings and photos so distance is rarely a barrier. Send your project details and we will confirm coverage.
Can you help with chimney breast removal in Newcastle?
Yes. Chimney breast removal is one of the most common jobs our Newcastle structural engineers handle in older terraced houses and Tyneside flats. We calculate the RSJ or gallows bracket needed to carry the remaining chimney stack, specify padstones and bearings, and prepare the full calculations Newcastle Building Control needs. Chimney removal designs start from £245.
Get a quote from structural engineers in Newcastle
Fill in the form and a Newcastle structural engineer will review your requirements.
Phone
Email
Response Time
Within one working day.
Area coverage
Newcastle upon Tyne, Gateshead, Jesmond, Heaton, Gosforth, Wallsend, Tynemouth, Whitley Bay, South Shields, North Shields, Sunderland, Durham, Cramlington, Morpeth, Ponteland and across NE postcodes.
Many Newcastle projects are designed from drawings and photos. If a site visit is required we explain this and add it to the quote.
Start your Newcastle upon Tyne project today
If you need structural engineers in Newcastle for a renovation, send us the details. Our Newcastle structural engineers will get back to you with a fixed quote from £245.
© Structural Engineer Calcs Ltd – structural engineers in Newcastle upon Tyne and the North East.
Designs subject to site confirmation and Building Control approval.
- Head Office: Corwell Lane, Uxbridge, England, UB8 3DE.
- 07359 267907
- info@structuralengineercalcs.com
- Company No: 12653163