- Design & Build (Turnkey Projects)
Design & Build Turnkey Projects Manchester
Design & Build – Turnkey Projects Residential & Commercial
Dunhil Constructions LTD offers a complete Design & Build (turnkey) service that takes your project from initial idea through to final handover under one roof. This streamlined approach removes the stress of managing multiple contractors, architects, and consultants.
Our turnkey Design & Build service is ideal for busy homeowners, property investors, and commercial clients who want a single point of contact and full accountability.
- What We Offer
What is a Turnkey Design & Build Project?
We manage every stage:
site surveys
architectural design
planning permission
structural engineering,
construction
interior finishing
landscaping
snagging
You simply approve designs and budgets — we handle the rest.
Residential Design & Build
Perfect for new builds, house extensions, loft conversions, and whole-house refurbishments. We create modern, energy-efficient homes tailored to your lifestyle, delivering beautiful living spaces with minimal disruption.
Commercial Design & Build
We deliver complete office fit-outs, retail units, restaurants, and mixed-use developments. Our commercial turnkey projects focus on functionality, brand image, durability, and fast completion to minimise business downtime.
- What We Offer
Key Benefits of Our Turnkey Service
We construct everything from individual custom homes to small and medium-scale residential developments. Our projects include 2–5 bedroom family houses, luxury detached properties, and multi-unit residential buildings. Every home is designed around your lifestyle, with open-plan living spaces, modern kitchens, luxurious bathrooms, ample natural light, and smart home-ready features.
We focus on creating homes that are not only beautiful but also practical, energy-efficient, and future-proof. From the foundation to the roof, every element is carefully planned and executed by our experienced team.
- Single fixed-price contract with full cost certainty
- Faster project delivery (up to 30% quicker than traditional methods)
- Reduced risk and fewer disputes
- Better design integration and value engineering
- In-house team of architects, project managers, and tradespeople
Our Proven Process
With over 25 years of experience and full CHAS accreditation, we have successfully delivered hundreds of turnkey projects across Manchester, Birmingham, London, and the UK. All work is fully insured and delivered to the highest standards.
Typical Costs in 2026
A typical 30–60m² double-storey extension ranges from £60,000 – £120,000+ depending on specification and location.
Single-storey rear/side extension
Double-storey extension: £1,800 – £3,200 per m² (often more cost-effective than two separate single-storey builds)
A typical 30–60m² double-storey extension ranges from £60,000 – £120,000+ depending on specification and location.
- our process
Reliable Service from Start to Finish
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- step 01
project planning
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- step 02
site execution
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- step 03
Quality Inspection
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Investment Turnkey projects
Turnkey projects typically offer better value than separate contracts. Costs vary by scope, but we provide transparent fixed-price quotes after the initial meeting.
If you want a stress-free construction experience with guaranteed quality and timelines, our Design & Build turnkey service is the smartest choice.
- contact Us
Ready to Strat your project?
Contact Dunhil Constructions LTD today for a free consultation and detailed turnkey quote.