Home Extensions
Single-storey, double-storey, rear and side extensions, including foundations, brickwork, roofing and finishing.
Complete Construction Surrey · Camberley
Beautiful spaces, built with care.
Extensions, loft conversions and renovations delivered with skilled craftsmanship, transparent communication and genuine respect for your home.
Fully insured
Clear written quotes
Direct contact with Carl or Josh
About Complete Construction Surrey
A trusted building partner for your home.
Complete Construction Surrey is led by Carl Collins, Owner, and Josh Dillon, Partner, working across Surrey, Hampshire and London. Together they bring experienced trades, careful planning and hands-on project leadership to turn ideas into beautifully finished living spaces.
From a site visit with Carl or Josh to the final handover, every project is handled with honest advice, respect for the property and close attention to the details that make a home feel special.
What we do
Building services for better homes
Practical advice, quality workmanship and direct contact with Carl or Josh from the first conversation to the final tidy-up.
Loft Conversions
Dormer, rooflight and attic conversions that create practical bedrooms, offices and extra living space.
Renovations & Refurbishments
Whole-room and whole-home improvements that modernise layouts, finishes and daily living space.
Kitchens & Bathrooms
Installation, preparation, tiling, plastering, finishing and coordination with trusted specialist trades.
Brickwork & Structural Work
Openings, steel installation, repairs, alterations and masonry carried out with care and correct sequencing.
General Building
Property improvements, repairs, internal alterations, outdoor works and smaller projects handled professionally.
Project Management
Clear timelines, tidy sites, trade coordination and regular updates so homeowners always know what is happening.
Why choose us
Built around trust, finish and communication.
- Fully insured, professional workmanship
- Clear communication from quote to completion
- High-quality materials and skilled trades
- Reliable timelines and honest pricing
- Local builders covering Surrey, Hampshire and London
Business hours
Monday to Friday: 8:00am - 6:00pm
Saturday: 9:00am - 1:00pm
Sunday: Closed
Contact options
During business hours, call, WhatsApp or email. Outside business hours, please email your project details.
Email quotes@completesurrey.co.uk
How we work
Your vision, carefully managed from first conversation to final finish.
A clear process gives homeowners confidence and keeps decisions, costs and workmanship moving in the right direction.
Listen & Survey
Carl or Josh will visit the property, understand the vision and discuss practical options, priorities and likely timescales.
Plan & Quote
You receive a clear scope and written quotation, with important choices and expectations agreed before work begins.
Build & Communicate
The site is managed carefully, with regular updates and one reliable point of contact throughout the project.
Finish & Handover
Details are checked, the space is completed properly and the finished work is handed back with pride.
Our work
Recent project examples
Replace these starter images with real before, during and after photos from Carl and Josh's projects as soon as they are available.
Camberley, Surrey
Rear Extension & Open-Plan Living
Extension / brickwork / finishingView case study
Surrey
Kitchen Renovation
Kitchen fitting / tiling / finishesView case study
Surrey
Loft Conversion
Dormer / rooflights / plastering / fitted storageView case study
Hampshire
Structural Opening & Brickwork
RSJ support / masonry / alterationsView case studyReviews
Real feedback, published with care.
Customers can submit feedback for approval, while visitors can read verified reviews and follow links to independent review profiles.
Verified customers
Only genuine feedback belongs here.
New submissions are reviewed before publication. This protects customers, prevents spam and keeps the website trustworthy.
Leave a Google reviewHow-to & advice
Helpful guidance before work begins
Short, useful advice pages build trust and help customers understand the process before requesting a quote.
How to prepare for a home extension
Planning drawings, party wall considerations, access, materials choices and how to keep decisions moving.
Ask for guidanceCommon renovation mistakes to avoid
Rushing quotes, unclear scope, late product choices and not allowing for hidden issues in older homes.
Discuss your projectWhat to check before hiring a builder
Insurance, reviews, past work, written scope, payment structure and how variations are handled.
View customer feedbackContact Carl or Josh
Let's build something exceptional.
Share the vision, property location and any drawings or photos. Carl or Josh will advise on the next steps, availability and whether a site visit is needed.