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
Four Steps to Planning-Ready Drawings
Send Details
Fill in our simple online form with your project details. We'll send you a measuring kit with a laser measurer — no site visit needed, anywhere in the UK.
You Measure, We Draw
Take photos and measurements using our kit. Our team creates accurate architectural drawings and structural calculations tailored to your project.
Review & Revise
Review your draft drawings 100% online. Request any amendments until you're completely happy — all included in your fixed price.
Submit & Build
Receive your completed plans within 2 weeks, ready for planning submission or building control approval. 98% of our plans are approved first time.
What Our Clients Say
"Extremely professional and fast. TM Architectural Designs delivered our planning drawings well within the 2-week window. Council approved first time — couldn't ask for more."
"I needed structural calculations for a chimney breast removal. TM were responsive, affordable and the drawings were accepted by building control without any queries. Great service."
"TM Designs provided their services much faster than any other architect I'd been quoted. Took a huge amount of stress out of my home extension project. Highly recommend."
"Professional, creative and detail-oriented. Their drawings transformed our vision into something buildable and beautiful. The whole process was completely seamless."
"Used TM for our loft conversion drawings. Very clear communication throughout, revisions were handled quickly, and the final package was exactly what building control needed."
"Outstanding. Smart, well-structured drawings that helped us secure planning approval faster and for significantly less than a traditional architect. Done in under 2 weeks."
"Brilliant service for our single-storey extension. Everything was remote — they worked from photos and measurements I sent. Back in under 2 weeks, approved by the council. Excellent value."
“Used TM for a rear extension and loft conversion package. Both sets of drawings were thorough and building control signed off without any issues. Really impressed.”
“Amazing turnaround time. We needed planning drawings urgently and TM delivered in just over a week. The quality was exceptional for the price.”
“Third time using TM Designs and they never disappoint. This time for a garage conversion — drawings were perfect and council approved within days.”
“Couldn’t believe how easy the whole process was. Sent measurements, got professional drawings back in 10 days. Planning approved first time. Fantastic service.”
“Had quotes from three local architects ranging from £3,000-£5,000. TM delivered the same quality for a fraction of the cost. No site visit needed either.”
“TM handled our double-storey extension plans brilliantly. The structural calculations were thorough and our builder said they were some of the clearest he’d seen.”
“Quick, professional and great value. Used them for structural calcs on a load-bearing wall removal. Building control approved everything first time.”
“Excellent experience from start to finish. The measuring kit made everything simple and the final drawings were detailed and professional. Highly recommend.”
“We used TM for our orangery plans. The drawings captured exactly what we wanted and planning went through without a hitch. Will definitely use again.”
“Fast, affordable and high quality. What more could you ask for? Our loft conversion plans were delivered ahead of schedule.”
“TM Designs made the whole process stress-free. Great communication, fair pricing, and the drawings were accepted by building control immediately.”
“Needed structural calcs for a chimney removal. Quick quote, fast delivery, and my builder was very happy with the level of detail. Top service.”
“Used TM for a side return extension. Plans were clear, professional and building regs approved first submission. Saved us thousands compared to a local architect.”
“Fantastic company. From initial enquiry to receiving our completed plans took less than 2 weeks. The whole experience was smooth and professional.”
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 Your Free Quote →Get Your Free Quote in 24 Hours
Tell us about your project and we’ll get back to you with a fixed price and confirm your guaranteed 2-week delivery slot.