About CNJ Consultants
Independent cost consultants helping homeowners build with clarity, control, and complete cost certainty.
Who we are
Accurate Cost Advice,
Built Around You.
With decades of combined experience in quantity surveying and project management, our team helps homeowners understand the real cost of their build and make confident decisions from day one.
We provide clear, independent advice that protects your budget, reduces risk, and keeps your project on track from first sketch through to completion.
Meet our team
Founder and Managing Director
Operations Manager
Commercial Manager
Office Manager
See How We’ve Helped Others
Recent Projects We’ve Supported
Little Shepley Basement
Private Homeowner
15 Oct 2023
Surrey
£250,000
We provided detailed cost planning and ongoing support for a large basement construction, including the pool area. CNJ ensured costs were monitored closely as the project progressed.
Horsley Thatch Extension
Private Homeowner
18 Jan 2023
Surrey
£200,000
We supported this unique residential extension, which included intricate thatch roof works and a new first-floor extension. CNJ provided detailed cost planning and guided the tender process.
Woking Kitchen & Flooring
Private Homeowner
15 Dec 2024
Surrey
£45,000
This project involved installation of a new kitchen alongside modern flooring. CNJ provided cost management and project oversight ensuring the renovation was delivered on budget.