Your trusted team of expert builders and project managers, specializing in architectural design, structural engineering, and energy-efficient homes.
At STAAC, we merge innovative design with robust structural engineering to create homes that are beautiful, functional, and sustainable. Our commitment to energy efficiency and passive House principles ensures your home consumes less energy, reduces its carbon footprint, and maximizes comfort.
We design eco-friendly homes using advanced insulation, airtight construction, and renewable energy, whether for new builds or renovations. Our sustainable designs prioritize both aesthetics and practicality.
Ballpark Figures for Your Home Extension
These are the starting prices for the most common extension types:
At STAAC, the cost of £2,300 per square meter plus VAT for design and build typically includes all expenses related to construction and design.
Our Design fees are from 5% of the Build Cost.
Electrics: Wiring, outlets, switches, and standard lighting.
Plumbing: Water and drainage.
Construction: Materials, labor, and all building work.
Foundations: Excavation and base construction.
Structure: Walls, roof, and steelwork.
Roofing: Roof materials and insulation.
Windows & Doors: Standard installations with glazing.
Insulation: Wall, floor, and roof insulation.
Internal Walls & Ceilings: Partitioning and plasterboarding.
Project Management: Oversight to keep on schedule and budget.
Contingencies: Extra funds for unexpected costs.
For a New Build property with a total area of 150 square meters:
Total Cost = 150 sqm × £2,300/sqm = £345,000
This estimate includes:
This is a rough estimate, and actual costs may vary based on location, design complexity, and material choices.
Note: Finishing and fit-out are not included in this cost.
Award Winning Design & Build Team
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Saact trading as Staac. Company No – 10638628
Registered Office: 62 Cavendish Place, Eastbourne, BN21 3RL, UK
Registered With Companies House Cardiff
