Renovations
Stunning renovations in South London.
Family run craftsmanship
We're a family business and involved in every project from start to finish so you always have a friendly team on hand and a quality finish.
End to end support
We work on the project from idea and planning through scaffolding and plumbing all the way to the final finishing touches.
Fixed Quote & timeline
Workmanship you can rely on. We'll provide a fixed quote and timeline that gives you peace of mind every step of the way.
Why renovate
Smart Spend, Big Space Upgrade
Make the layout work
Open up awkward rooms, improve flow, and create spaces that suit real life. Family time, home working, and calm bedrooms that actually fit furniture.
Add value and future-proof
Quality finishes and modern services lift your home’s value now, while smart choices (storage, accessibility, durable materials) keep it working for the long term.
Warmer, quieter, cheaper to run
Insulation, new windows, efficient heating and lighting cut bills and boost comfort. Cosy in winter, cool in summer, quieter all year round.
Fix the bones, not just the paint
Sort structure, wiring, plumbing and damp properly. A renovation tackles root causes so the house feels solid, safe and trouble-free.
Get a quote for your project
How we work
Design & build, made simple
At Construct Group Alpha, we design, plan, and build loft conversions across South London. We take care of things end-to-end. One team, one timeline, one clear price.
Reliable team of skilled staff
End to end support
Clear pricing and timelines
Got Questions?
Frequently asked questions
If you have questions about our work or how we can help you, get in touch.
Do you do fixed price work?
Yes, we'll give you a fixed price and timeline based on the scope of your project.
Do I need planning permission?
This depends a lot on what you're looking to achieve and how you own your home. You can do a lot of loft conversions under permitted development. Get in touch and we'll determine what you need to complete your project.
Will a loft conversion add value?
On average loft conversions add 20% to a properties value. This changes a lot based on area, existing property size and similar factors but it is a safe bet that it will add value to your property.
Warmer, quieter, healthier
Upgrades you’ll feel every single day
Insulation, acoustic layers, MVHR/ventilation, low-VOC paints and efficient heating. Better air, stable temps, less noise, London life - just calmer.
Walls, roof and floors insulated for more warmer cosy living.
Sound proofing, find your peace even in the thick of the City.
Modernise your home giving it a new lease of life.
How It works
Hello to Handover. Easy as 1, 2, 3
1
Plan and Quote
We start on site to understand how you live and what you want to change. We measure, check services and structure, and talk finishes so the budget’s real—not guesswork.
Discuss scope and options
Provide Itemised quote
Drawings and specifications
2
Build
Your programme is locked in before we start. A dedicated PM keeps trades moving and updates you by WhatsApp/email so you always know what’s happening.
Site care throughout the whole project
Quality & compliance
Change Control taken care of
3
Handover
We finish cleanly and make sure everything works exactly as agreed. Then we stand by it. Snag free finish, with all certificates provided.
Snag free finish
Documents and certifications
Aftercare
Where we work
Design and Build For South London
We’re based in South London and focus our teams locally so we can start faster and keep sites well managed.
We cover:
Clapham
Brixton
Twickenham
Sutton
Richmond
Lambeth
Southwark
Croydon
Lewisham
Greenwich
And many more - if you don't see your area just get in touch.
Recent work
Work We've Done
Balcony. Saville Road
Renovation of Victorian property on SW2 5UY on the brixton clapham boarder. Turning a subprime rental property into a stunning home, blending old and new beautifully. ...more
Portfolio
October 15, 2025•0 min read
Bathroom and pre-market touch up. Solon Road. Sergio & Lynseydsey
Renovation of Victorian property on SW2 5UY on the brixton clapham boarder. Improving a beautiful family home so that it was ready for the market. ...more
Portfolio
September 20, 2025•0 min read
Victoria Flat Renovation Clapham
Renovation of a ground floor Victorian flat in Clapham ...more
Portfolio
September 20, 2025•0 min read
Complete Flat Renovation. SW2 5UY. Richard
Renovation of Victorian property on SW2 5UY on the brixton clapham boarder. Turning a subprime rental property into a stunning home, blending old and new beautifully. ...more
Portfolio
September 20, 2025•2 min read
Balcony. Saville Road
Renovation of Victorian property on SW2 5UY on the brixton clapham boarder. Turning a subprime rental property into a stunning home, blending old and new beautifully. ...more
Portfolio
October 15, 2025•0 min read
Get a quote for your project
Obligation free initial consultation to see how we can support your project.
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