Rear extension
Create more space, daylight and a better relationship with the garden.
Explore extensions →Residential architecture, made clear
Make more
of home.
Residential architecture for extensions, loft conversions, renovations and new homes across Leeds and Yorkshire — from first idea through planning and build-ready technical design.
Our approachClear thinking from concept to construction.
✓Senior-led
1Practice
7Stages to deliver
Get an instant fee estimate
Answer a few quick questions about your project and see an indicative fee in under a minute.
Indicative Design + Planning fee£—
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Senior oversight from start to finish
Every project follows shared standards for design, coordination and delivery.
✓
Clear stages, clear fees
Understand what happens next and what each stage includes.
◇
Planning + technical expertise
Design thinking stays connected to approvals and buildability.
⌖
Local knowledge, personal service
A small practice with a structured, digital-first process.
What are you planning?
Projects shaped around real homes.
Choose the closest project type. You do not need to know the technical terminology before speaking to us.
Whole-home renovation
Rework what you already have around the way you actually live.
Explore renovations →
One-off house
Start from first principles with a home designed around you and the site.
Explore new homes →Choose your service
The right level of support for your project.
Our service packages are easy to compare. The project process is explained separately, so you always know what you are buying and what happens next.
01
Design + Planning
For clients who want the project designed and taken through the appropriate planning route.
- Survey / existing information
- Concept design
- Design development
- Planning submission
02 · MOST POPULAR
Build-Ready
Design and approvals plus the coordinated technical information needed for Building Regulations and pricing.
- Everything in Design + Planning
- Technical design
- Consultant coordination
- Tender / pricing information
03
Bespoke
A tailored service for more complex renovations, one-off homes and higher-value projects.
- Tailored design scope
- Planning strategy
- Technical coordination
- Optional site-stage support
How it works
You always know what happens next.
A clear seven-stage route from first conversation to build-ready information — with optional support as construction begins.
Explore
Tell us the idea and get an indicative fee.
Survey
Capture and understand the existing property.
Design
Develop options around brief, budget and site.
Approve
Navigate planning or the appropriate approval route.
Technical
Coordinate Building Regulations and buildable detail.
Price
Prepare information for contractor pricing.
Build
Optional support as the project moves onto site.
Why ARCHITRES?
One practice.
One standard.
A joined-up approach keeps design, technical thinking and client service aligned throughout the project.
01
Architecture
Practice principle
Clear spatial thinking shaped around people, site and context.02
Design
Practice principle
Thoughtful materials, proportion and detail without unnecessary complexity.03
Technology
Practice principle
Robust technical information, coordination and digital delivery.Free homeowner tools
Useful answers before you appoint anyone.
Available nowComing next
Planned
Planned
Architectural fee estimator
Get an indicative fee range in around a minute.
Try it →Build-cost calculator
Estimate construction, consultants, statutory fees and contingency.
In developmentProject timeline
See how long survey, design, planning and technical stages may take.
In developmentPlanning-route checker
Explore whether planning permission or another route may apply.
In developmentResidential services in Leeds & Yorkshire
Start with the question you are trying to solve.
Our detailed service pages explain the likely design, planning and technical route for common residential projects.
01House extension design in LeedsRear, side-return and two-storey extensions →
02Loft conversion design in LeedsDormers, hip-to-gable and roof-space projects →
03Planning drawings & applicationsPlanning and lawful-development routes →
04Building Regulations drawingsTechnical information for approvals and pricing →
Advice centre
Useful answers before you commit.
Plain-English guides to costs, planning, technical design and the practical steps behind a residential project.
Cost guide
Visit the Advice centre →
How much does a rear extension cost in Leeds?
What should sit inside the overall project budget, beyond the building work itself.
PlanningPermitted development vs planning permission
How the two routes differ and why the right starting point depends on the property.
TechnicalWhat are Building Regulations drawings?
What a technical drawing package is for and why it matters before construction.
Ready when you are
Tell us what you’re planning.
Start with an estimate or speak directly to the practice about your project.
Get a project estimate →