Consumer Projects
Your Home Extension, Delivered With Confidence
From single-storey rear extensions to full house renovations — we help you define your brief, compare the right builders and manage every stage of the project.
How CommissionIt Helps
Define Your Requirements
We turn your ideas into a clear, detailed project brief that builders and architects can work from.
Compare Options
We source multiple quotes, approaches and materials so you can compare on a like-for-like basis.
Reduce Risk
We carry out supplier checks, due diligence and transparent comparisons before you commit.
Manage Delivery
We coordinate trades, track progress and keep your project on time and on budget.
Typical Projects
Single-Storey Rear Extension
Expand your kitchen or living space with a rear extension — the most popular home improvement in the UK.
Double-Storey Extension
Maximise your footprint by adding space on both floors — ideal for growing families.
Side Return Extension
Transform a narrow side passage into a stunning kitchen-diner or utility room.
Loft Conversion
Add a bedroom, bathroom or home office by converting your loft — often without planning permission.
Open Plan Renovation
Knock through walls, reconfigure your ground floor and create the open plan living space you've always wanted.
Garage Conversion
Convert an unused garage into a usable room — one of the most cost-effective ways to add living space.
Our Process
Define
Tell us what you need — a photo, sketch or description is enough to get started.
Visualise
We create concepts and visuals tailored to your space, style and brief.
Plan
We scope the work, outline timelines and provide transparent cost options.
Source
We identify and compare the best suppliers for quality, value and reliability.
Deliver
We coordinate and manage everything so your project is completed to the highest standard.
Inspiration Gallery
Frequently Asked Questions
Do I need planning permission for a home extension?
Many single-storey rear extensions under a certain size can be built under permitted development rights without full planning permission. We help you understand what's required for your specific project before you spend anything.
How much does a home extension typically cost?
Costs vary significantly depending on size, specification and location. A typical single-storey rear extension in the UK ranges from £25,000 to £80,000+. We help you get accurate, comparable quotes from vetted builders.
How long does a home extension take?
A single-storey extension typically takes 3–5 months from planning approval to completion. We help you build a realistic timeline and manage the schedule so there are no nasty surprises.
How does CommissionIt help with a home extension?
We help you define your brief, create visuals and layouts, compare builder quotes on a like-for-like basis, and manage the project from start to finish. You stay in control — we do the hard work.
Can you help me find an architect?
Yes. We can help you source and compare architects, structural engineers, project managers and specialist contractors depending on the scale of your project.
Ready to Start Your Extension Project?
Tell us what you have in mind. We'll help you define the brief, compare options and get your project delivered to the highest standard.