Extension Plans
in 2 Weeks —
No Site Visit.
Professional planning drawings, structural calculations and full building regs packages. From £550, 100% online, UK‑wide. Save £2,000–£4,000 and 8 weeks vs a traditional architect.
Simple, Fixed Fees. No Surprises.
More affordable than traditional architects, with a guaranteed 2-week turnaround on every project.
Structural
✓ 2wk Guaranteed
- checkWalls
- checkChimneys
- checkLoft/Boiler
- checkBuilding control ready
- checkEngineer signed calcs
Full Pkg
✓ 2wk Guaranteed
- checkPlanning
- checkStructural
- checkBldg Regs
- checkCouncil ready
- checkPriority support
Planning
✓ 2wk Guaranteed
- checkFloor plans
- checkElevations
- checkExtensions
- checkPlanning submission ready
- checkRevisions included
New Builds
✓ 2wk Guaranteed
- checkArch drawings
- checkPlanning ready
- checkStructural calcs
- checkBuilding regs package
- checkFull architectural drawings
Four Steps to Planning-Ready Drawings
Send Details & Invoice
Fill in our simple online form with your project details. We work directly from existing estate plans, architectural drawings, or your own measurements. We will then send your invoice—work begins as soon as it is settled.
You Measure, We Draw
Take photos and measurements yourself or use our easy-to-use app to capture the space. Our team then creates accurate architectural drawings and structural calculations tailored to your project.
Review & Approve
Review your draft drawings 100% online. Once you are completely happy, we will move forward with finalizing your project—all included in your fixed price.
Delivery & Submission
Within two weeks of starting, we will send your final PDF plans back, ready for submission to the authorities or building control approval.
What Our Clients Say
“TM Architectural Designs is an outstanding company! From start to finish, they were professional, creative, and incredibly easy to work with. Their attention to detail and ability to bring ideas to life is second to none.”
“TM Architectural Designs LTD exceeded all my expectations. From the very first consultation, they were professional, attentive, and really took the time to understand what I wanted. Their creativity and attention to detail are second to none.”
“It’s always great when you work with a group of people who are not only excellent at what they do, but equally both professional and great characters!”
Our Work
GET A QUOTE →A selection of projects delivered across the UK — from structural knock-throughs to full loft conversions and orangeries.
Common Questions
Get Started Now
Get your free, no-obligation quote in 24 hours. Tell us about your project and we’ll confirm a fixed price and book your guaranteed 2-week delivery slot.
Get Started Today →Start Your Project Today
Tell us about your project and we’ll get back to you with a fixed price and confirm your guaranteed 2-week delivery slot.