Home extensions in Highgate are one of the best ways to add space and value to your property. Whether you’re planning a full rear extension or a stylish loft conversion, our team at Structural Engineer Calcs provides accurate, Building Control–approved structural calculations designed around your home. From removing load-bearing walls to planning complete steel beam layouts, we make sure your project is safe, fully compliant, and ready for approval. We work with homeowners across Highgate and Greater London, helping them build with confidence and peace of mind.
Highgate, Greater London
Home Extension and Loft Conversion
Full Structural Design and Calculations
Building Control Approved
A well-considered design that blends a rear home extension with a loft conversion in Highgate. The project adds valuable space, improves light throughout the home, and includes complete structural calculations for smooth Building Control approval.
Every property in Highgate has its own character. We design each structure to suit your home’s layout and period style, so your home extension Highgate project or loft conversion Highgate feels safe, efficient, and seamlessly part of the original house.
Thoughtful structural planning for wide open spans, roof lights, and full height glazing fills the home with natural light and creates a smooth flow from kitchen to garden. You get modern, energy aware living that feels open and connected.
Need more space but love living in Highgate? A well planned rear extension or a converted loft gives you the room for a family kitchen, a quiet home office, or an extra bedroom, all without the stress or cost of moving house.
A strong, Building Control ready design increases comfort and long term value. A quality extension or loft conversion makes your home stand out in the Highgate and Greater London market and adds lasting appeal.
Planning a home extension Highgate project or a loft conversion Highgate? Here’s how we guide your project from the first enquiry through to full Building Control approval across Greater London.
Send us your architectural drawings, sketches, or even photos. We’ll review them quickly and provide initial feedback tailored to your Highgate property.
Within 24 hours, we’ll confirm a fixed fee, outline the scope of work, and highlight any details we need before starting your project.
We prepare all structural calculations and drawings required for your home extension or loft conversion in Highgate. Everything is Building Control ready and fully compliant with local regulations.
We handle Building Control comments, carry out any reasonable revisions, and support your builder until final approval is complete, keeping your project on track from start to finish.
“We couldn’t be happier with the service from Structural Engineer Calcs. They looked after our home extension and loft conversion Highgate project with complete professionalism. The calculations were clear, accurate, and approved by Building Control without any issues. Everything ran smoothly from start to finish and the whole experience was quick, efficient, and stress free.”
Comprehensive structural packages for smooth construction and Building Control approval across Highgate — ideal for your next home extension Highgate project in Greater London.
Clear and practical layouts designed to make your loft conversion Highgate safe, efficient, and simple to construct — fully ready for Building Control sign off.
Accurate load-bearing wall checks that let you create open, modern living spaces in your Highgate home while keeping full structural safety and compliance.
Precise beam design for large openings and bi-fold doors — ideal for rear extensions with wide glazing and bright family spaces in Highgate properties.
Full Building Control-ready calculations and drawings for fast approval across Highgate and the wider Greater London area.
On-site inspections, crack assessments, and pre-extension advice to help you plan safely and confidently for your next project in Highgate.
Most home extension Highgate projects fall between £250–£550 depending on span lengths, number of beams, and the overall complexity of the design. Each project is quoted individually with a clear, fixed fee and no hidden extras.
Yes. Building Control will request structural calculations to confirm that your design is safe and compliant. We prepare clear calculation packs and drawings for home extension Highgate and loft conversion Highgate projects.
Most small to medium projects are completed quickly once we receive 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 architect drawings, planning sets, or measured surveys. If you don’t have full plans yet, clear sketches and photos are usually enough for us to quote and advise.
We’ll need your address, drawings or sketches, a short outline of the work (extension, loft, or wall removal), and any key spans or opening widths. Photos of the existing structure are also very helpful.
Yes. All of our calculation packs follow current UK Building Regulations and are presented in a professional, easy-to-review format that Building Control officers recognise and approve.
We cover Highgate and nearby areas across Greater London, including Hampstead, Muswell Hill, Crouch End, and Finchley. If you’re close by, get in touch and we’ll confirm availability.
Yes. We design steel beams for knock-throughs, rear extensions, and large glazed openings. This includes beam sizing, padstones, bearings, posts, and connection details for your builder.
Yes. We design ridge beams, purlins, trimmers, and dormer framing, and we check the loft floor structure for proper load paths. We also assess headroom and stair placement to make sure the loft feels spacious and practical.
Not always. Many domestic projects can be completed using drawings, photos, and a short call. If we feel a site visit in Highgate or nearby would be useful, we’ll suggest it.
We provide a fixed fee once we’ve reviewed your drawings and brief. There are no hidden extras — if anything changes, we’ll confirm before carrying out additional work.
Share the documents with your builder and Building Control. If any questions come up, we’ll reply quickly and provide any clarifications needed to keep your approval process moving.
Click Get Your Free Structural Quote, upload your drawings, and tell us about your project. We’ll review and respond with a fixed fee and clear next steps.
