FixThatNow
Extensions and additions — General contractor — Cost calculator
This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.
How it works
- Describe what you need.
- Choose a relevant service and location.
- Compare responses and decide directly.
Extensions and additions — General contractor — Cost calculator
Approximate cost estimate
Indicative domestic extension construction allowance in London, with separately selected kitchen and bathroom allowances; not an all-in extension project.
Estimated cost£72,000.00
This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.
Post your job with this budget
What this estimate includes
- Area-based construction guide allowance; selected kitchen and bathroom costs are separate published additions.
What this estimate excludes
- Professional and statutory fees; surveys; site-specific ground, access and drainage premiums; external landscaping; finance and contingency.
- Basements, complex multistorey works and guaranteed fully fitted handover scope.