Trusted Structural Engineer in the UK

Structural Engineering Services

At Structural Engineer UK, we prepare structural engineering services UK including calculations and drawings for domestic projects across the country. Every design is prepared to current standards and issued as a Building Control-ready pack with clear notes your builder can follow. Typical turnaround is fast and fees are fixed upfront.”

Our Core Structural Engineering Services UK

From extensions to lofts and wall removals, we size the beams, joists and foundations that keep your project safe and compliant.

Home Extensions

Beams, columns, padstones, floors and roof members for single or two-storey side, rear and wrap-around extensions. Designed to Part A with drawings your builder can follow.

Loft Conversions

Ridge and floor beams, trimmers, dormer frames and load paths checked for deflection and vibration. Calculations supplied for Building Control.

Steel Beams (RSJs)

Single or compound beams with reactions, padstones and simple connection notes for fabricators. Ideal for knock-throughs and wide openings.

Foundations Design

Strip, trench-fill, pad or raft foundations designed to suit ground conditions and adjacent trees/services.

Portal Frames & Outbuildings

Clear-span steel or timber frames with haunch, base-plate and holding-down details for garages and garden rooms.

Load-Bearing Wall Removals

Design of steel or timber members for knock-throughs, with reactions, padstones and connection notes. Building Control-ready pack, clear for your builder to follow.

Steelwork & Openings

Create clear, open spaces without compromising stability.

We design steel beams, posts and lintels for through-rooms, kitchen diners and rear openings. Loads, deflection and bearings are checked, then we issue a Building Control-ready pack with padstones and connection notes.

Foundations & Timber Design

Efficient spans above and solid ground below.

From strip or trench-fill to raft slabs and pads, we size foundations to suit soil and nearby trees/services. We also design timber floors and roofs—joists, trimmers, rafters and ridges—keeping spans practical for your carpenter.

How We Work

01.

Enquiry & Photos

Send your drawings or a few photos. We confirm scope, highlight any risks and give a fixed fee.

02.

Quote & Info Check

We review the architect’s plans (or sketches) and confirm what we need: dimensions, wall build-ups, materials and any site notes.

03.

Design & Calculations

We prepare the structural design and issue calculations and drawings that are ready for Building Control submission.

04.

Support During Build

We answer builder queries and, if site conditions differ, issue timely revisions so work can continue without hold-ups.

What Clients Say About Our Service

Open-plan kitchen and rear extension

Calculations for the knock-through were clear and practical. Building Control signed them off straight away, and our builder had everything needed to press on.

Open-Plan Knock-Through (RSJ)

Bristol

Great set of drawings for our extension. Fixed price, quick delivery, and no fuss — it kept the build on schedule.
RE
Rear Extension
Reading
The loft design was explained clearly and the calcs were accepted first time. Very easy to work with from start to finish.
LC
Loft Conversion
Glasgow
Foundation options were laid out plainly, with notes our builder could follow. Approval came back quickly and we moved straight to site.
FD
Foundations Design
Cardiff