Conversion & self-build warranty in Clitheroe
- Legal requirement
The short answer
Latent defects cover for conversions
- Price from
- £1,500.00
- Time on site
- 30 to 60 minutes (detailed consultation)
What you get
You get an insurance certificate providing 10-year structural defect cover for your converted or self-built property, essential for mortgage lenders.
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When do you need a Conversion & self-build warranty?
You must sort your cover before you start any work on the site. Most banks will not give you a mortgage without one of these policies. It is vital for barn conversions, office swaps, or building from scratch. If you want to sell your home within a decade, the new buyer will need it too. Retrospective cover is much harder and more expensive to buy later.
What happens on the day
An auditor will visit your site several times at key moments during the build. They check the foundations and the roof to make sure everything is safe. You will need to show them your plans and technical drawings. Your builder should be there to answer any tricky questions. Once the final check is done, you get your 10 year certificate. As a guide, expect to pay around £2,000 to £5,000 for a standard build.
How to prepare
- Gather your full sets of technical drawings
- Confirm you have your planning permission documents
- Contact a warranty provider before starting work
- Check if your builder has relevant experience
- Prepare a site plan for the auditor
- Ensure site access is safe for the inspector
- Keep your building control documents in one place
How to improve your result
- Use experienced contractors with good references
- Follow every detail in your approved plans
- Choose high quality materials for the foundations
- Take photos of the work at every stage
- Fix any small issues the auditor mentions quickly
Why it is useful day to day
This policy gives you total peace of mind for 10 years after you finish. If the walls crack or the roof fails, the insurance handles the huge repair bills. It makes your home much easier to sell to future buyers. Having experts check the work also ensures your builder sticks to high standards.
Why we ask these questions
The provider will ask for detailed plans to understand how the house is built. They want to know who is doing the work and what materials you are using. This helps them spot risks that could cause a claim later. You must tell them about any old parts of the building you are keeping.
Frequently asked questions
Often needed alongside
Development finance
Funding for new builds and conversions
- Recurring
Landlord insurance
Buildings, contents and liability for let property
- Recurring
Home (buildings) insurance
Buildings cover for owner-occupiers
Bridging finance
Short-term loans for purchases and chains
Renovation & contract works insurance
Cover during building works and self-build
- Recurring
Contents insurance
Cover for belongings
- Legal requirement
New-build structural warranty
10-year structural warranty for new homes
- Recurring
Commercial property insurance
Offices, shops, industrial units


