Affordable Architectural Drawings for Home Extensions & Loft Conversions in London
Draw & Plan provides affordable architectural drawings for house extensions, loft conversions and home renovations across London. Fixed-fee services from £950 + VAT.
Services & pricing
Architectural drawings from £950 + VAT
Choose the package that matches the stage of your project. All prices are fixed and agreed up front.
Planning Drawings
+ VAT · measured survey included
- Existing and proposed drawings
- Site and location plans
- Planning submission and management
Building Regulations
+ VAT
- Building Regulations drawing set
- Construction details
- Written specification
Planning + Building Regulations
+ VAT · measured survey included
- Full planning drawing pack
- Building Regulations drawings
- Planning submission and management
Need existing drawings first?
Measured Building Surveys from £750 + VAT
Accurate floor plans, roof plan, elevations and a section, delivered in DWG and PDF.
Our process
From quote to approval
- Step 01Get a quote
Send your address and project details. We reply with a clear fixed fee.
- Step 02Survey
We visit your property and record the existing building accurately.
- Step 03Drawings
We prepare the planning and Building Regulations drawings you need.
- Step 04Approval
We submit the application and manage it through the approval process.
Why choose Draw & Plan
Why Choose an Affordable Architectural Designer?
Every drawing set and planning application is personally handled by the director, so you always know who is working on your project.
Looking for an architecture firm?
How we help
If you're planning a house extension, loft conversion or home alteration, Draw & Plan is the residential architectural designer London homeowners rely on. We prepare planning drawings, planning permission drawings, building regulations drawings and building regulations plans for extensions, loft conversions, garage conversions and refurbishments across every London borough. We also offer measured building surveys in London, Lawful Development Certificate drawings and Prior Approval drawings.
Sample projects
Recent London projects
Plan sets we prepared and completed builds from the same projects.
FAQ
Common questions
Can I use an affordable architectural designer instead of an architect?
Yes. For most domestic projects — house extensions, loft conversions and home alterations — an experienced residential architectural designer in London can prepare the planning and Building Regulations drawings you need without the overheads of a larger architectural practice.
Do I need an ARB-registered architect for my extension?
No. For most domestic projects — house extensions, loft conversions and home alterations — an experienced residential architectural designer in London can prepare the planning and Building Regulations drawings you need.
Can you submit the planning application?
Yes. We prepare and submit householder planning applications, Lawful Development Certificate applications and Prior Approval drawings on your behalf across every London borough.
Do you provide Building Regulations drawings too?
Yes. We prepare full Building Regulations drawings, building regulations plans, and the technical pack for extensions, loft conversions, garage conversions and internal refurbishments.
How much do architectural drawings cost?
Building regulations drawings typically start from £950 + VAT, while planning and Building Regulations packages typically start from £1,650 + VAT. Measured building surveys start from £750 + VAT.
What types of projects do you work on as an architectural designer in London?
We work across London as a residential architectural designer on rear and side extensions, loft conversions, garage conversions, internal alterations, roof alterations, House Extension Drawings and full home refurbishments.
Do you prepare Lawful Development Certificate drawings?
Yes. We prepare Lawful Development Certificate drawings and submit the application on your behalf — useful where your extension or loft conversion is permitted development and you need formal confirmation.
Do you handle Prior Approval applications?
Yes. We prepare Prior Approval drawings for larger rear extensions and certain conversions, and manage the application with your local authority.
Do you offer measured building surveys?
Yes — see our Measured Building Survey in London page for laser-measured existing CAD drawings, floorplans, roof plan, elevations and a section.
Get a fixed fee quote today
Tell us what you're planning — we'll come back the same working day.