Structural Engineer Cambridge
Structural engineering for Cambridge homes and Cambridgeshire villages.
Cambridge has a wide mix of property styles. Romsey and Petersfield have tight Victorian terraces. Cherry Hinton and Chesterton have 1930s semis. Arbury and King’s Hedges have post-war estates.
Families across these areas want open-plan layouts, bigger kitchen spaces, extra bedrooms in the loft and modern extensions. We provide the structural design behind those changes. You get clear calculations, tidy drawings and support with Cambridge, South Cambs and East Cambs Building Control.
Common Cambridge Projects
Many Cambridge homes were altered over the years. We specialize in:
- Large kitchen-diner openings in Romsey and Petersfield
- Rear wall removal for bi-folds in Trumpington and Cambourne
- Semi-detached openings in Cherry Hinton and Chesterton
- Long-span RSJ beams in St Neots and Huntingdon
- Garden-facing openings in Ely and Newmarket
What We Design
Wall Removals & RSJs
We design the exact steel size, padstones and bearings so your builder knows what to install. We check load distribution in lighter modern builds and mixed brick strength in Victorian terraces.
Lofts in Cambridge
Common across Romsey, Chesterton, and Waterbeach. We design new loft joists, ridge beams, dormer supports, and stair trimmers to replace thin existing joists.
House Extensions
Rear kitchen extensions in Trumpington, side extensions in Ely, or wraparounds in St Neots. We design the beams, joists, foundations, and roof supports.
Timber Design
Addressing overstretched joists in older terraces or rafters cut for old water tanks. We design purlins, dormer framing, and stair opening supports.
Subsidence & Cracking
Clay soils and tree roots can cause movement. We provide on-site inspections and structural movement reports with repair recommendations.
Fixed-Fee Pricing
We confirm a fixed price upfront for RSJ design, loft beams, extension packs, and timber checks. No hidden costs.
Structural Calculations Pack
A clear set of structural calculations helps your project move smoothly through Building Control. Our packs are straightforward for both inspectors and builders.
Your pack includes:
- ✓ RSJ beams for knock-throughs
- ✓ Floor and roof joist design
- ✓ Foundation checks for extensions
- ✓ Steel connections and simple details
- ✓ Clear sketches showing each element
Building Control:
We work with Cambridge City, South Cambridgeshire, East Cambridgeshire, and Huntingdonshire District Council inspectors and provide direct responses to their questions.
Notes for Cambridge Projects
We check for softer ground in parts of Cherry Hinton and Arbury which influences foundation design.
We assess Victorian and Edwardian layouts with mixed masonry to ensure correct load support.
We review Student HMO conversions across Romsey and Petersfield for earlier DIY alterations.
New builds in Trumpington and Cambourne often require tighter tolerances and lighter construction methods.
Rear extensions are often restricted by plot depth; we design practical structures to maximize space.
How Our Process Works
Send us your plans
A simple sketch or architect drawing (plus some photos) is enough to begin.
Fixed fee confirmed
We provide a clear and straightforward price before we start.
Calculations prepared
We design the beams, joists, or foundations required for your build.
PDF pack delivered
You receive a tidy document ready for your builder and Building Control.
Support during build
If something changes on site, we review and update the design.
What Clients Say
“Our knock-through in Romsey needed an RSJ. SECalcs made the whole process simple.”
“We added a dormer in Waterbeach. The calculations were clear and Building Control approved everything.”
“A movement crack in our Chesterton home was worrying us. SECalcs inspected it and gave us a practical repair plan.”
FAQs
Yes. We regularly deal with Cambridge City and South Cambs inspectors.
Yes. Victorian and Edwardian properties are a large part of our Cambridge work.
Yes. We cover Ely, St Neots, Huntingdon, Newmarket and nearby villages.
Drawings or a sketch with dimensions and some photos of the existing structure.
Most small projects are completed within a few working days.
Book your structural engineer
If you’re planning a knock-through, loft conversion or extension anywhere in Cambridge or the wider Cambridgeshire area, send your plans and photos and we’ll confirm a fixed fee with a quick turnaround.
Areas we cover:
If your area isn’t listed, send us a message and we’ll confirm.
- Head Office: Corwell Lane, Uxbridge, England, UB8 3DE.
- 07359 267907
- info@structuralengineercalcs.com
- Company No: 12653163