Home extension projects in Chiswick are a brilliant way to create more space and add real value to your home. Whether you’re planning a full rear extension or a loft conversion in Chiswick, our team at Structural Engineer Calcs provides accurate, Building Control–approved structural calculations designed for your property. From removing load-bearing walls to planning full steel beam layouts, we make sure every part of your project is safe, compliant, and ready for approval. We support homeowners across Chiswick, West London, and the wider Greater London area to build with confidence and peace of mind.
Chiswick, West London
Rear Home Extension and Loft Conversion
Full Structural Calculations and Steel Beams Design
Building Control Approved across Greater London
Every property in Chiswick has its own charm and character. We tailor each design to suit your home’s layout and architectural style, so your home extension Chiswick project or loft conversion Chiswick blends naturally with the existing structure while keeping it strong, safe, and Building Control-ready.
Careful structural planning for wide open spans, roof lights, and large glazed doors brings in more daylight and improves flow between the kitchen, dining, and garden areas. You get a modern, energy-efficient space that feels open and welcoming.
Love living in Chiswick but need more room? A rear extension or a well-planned loft conversion gives you space for a family kitchen, a quiet study, or an extra bedroom, all without the hassle or cost of moving house.
A solid structural design that meets Building Control standards adds comfort and value for years to come. A high-quality extension or loft conversion makes your property stand out in the Chiswick and Greater London housing market, boosting both appeal and resale potential.
Planning a home extension Chiswick project or a loft conversion Chiswick? Here’s how we guide you from first enquiry through to full Building Control approval with a smooth, step-by-step process.
Send us your architectural drawings, simple sketches, or even clear photos. We’ll review them and offer quick feedback for your Chiswick project.
Within one working day, we’ll confirm a fixed fee and clear scope of work so you know exactly what’s included before we start.
We prepare detailed structural calculations and drawings tailored to your home extension or loft conversion in Chiswick, ready for Building Control submission.
We handle Building Control comments, provide reasonable revisions when needed, and support your builder through to final approval so everything runs smoothly.
“We’re absolutely delighted with the service from Structural Engineer Calcs. The team handled our home extension and loft conversion Chiswick project with real care and attention to detail. The calculations were precise, the drawings were easy to follow, and Building Control approved everything without delay. The whole process felt smooth, fast, and stress-free — a genuine five-star experience.”
Complete structural design packages for safe construction and Building Control approval across Chiswick — ideal for your next home extension Chiswick project or new build property.
Clear, reliable layouts that make your loft conversion Chiswick safe, practical, and easy to build. Every design is fully ready for Building Control approval.
Accurate checks for load-bearing walls to help you open up spaces in your Chiswick home while keeping the structure secure and compliant.
Precise RSJ and beam design for large glazed openings — perfect for rear extensions with bi-fold doors, open layouts, and brighter living areas.
Full structural drawings and Building Control-ready calculations for quick approval across Chiswick and wider Greater London.
On-site inspections, crack assessments, and structural reports to help you plan extensions, loft conversions, or alterations safely and confidently in Chiswick.
Most home extension Chiswick projects fall between £250 and £550, depending on span lengths and overall design complexity. Every project is priced individually with a clear, fixed fee so you always know the cost upfront.
Yes. Building Control will ask for structural calculations to confirm the design is safe and meets regulations. We provide calculation packs and drawings for home extension Chiswick and loft conversion Chiswick projects.
Most small to medium projects are completed quickly once we have your drawings and brief. If you’re working to a deadline, let us know and we’ll prioritise your project where possible.
Yes. We can work from your planning drawings or measured surveys. If you don’t have full plans yet, clear sketches and a few photos are enough for an initial quote and advice.
Your address, drawings or sketches, and a short description of what you’re planning — whether it’s an extension, loft, or wall removal. Photos of the existing structure are also helpful.
Yes. Our structural reports follow UK Building Regulations and are presented in a clear format that Building Control teams can easily check and approve.
We cover Chiswick, Ealing, Acton, Hammersmith, Richmond, and the wider West London area. If you’re nearby, get in touch and we’ll confirm availability.
Yes. We design steel beams for wall removals, rear extensions, and large glazed openings. That includes beam sizing, padstones, columns, and connection details for your builder.
We size ridge beams, purlins, and dormer framing, and check the floor structure for strength and deflection. We also make sure stair openings and headroom meet Building Regulations for a usable loft space.
Not always. Many domestic projects are completed using drawings, photos, and a short phone consultation. If a visit in Chiswick or nearby would help, we’ll recommend it.
We’ll send a fixed quote once we’ve reviewed your drawings and brief. There are no hidden extras, and if the scope changes, we’ll confirm any updates before doing additional work.
Share them with your builder and Building Control. If any questions come up, we’ll respond quickly and provide clarifications to keep your approval process smooth.
Click Get Your Free Structural Quote, upload your drawings, and tell us about your project. We’ll review everything and reply with a fixed fee and next steps.
