Choosing a Roofer for a House Re-Roof
A practical checklist for comparing roofing contractors, written quotations, materials, standards, leadwork, access, guarantees and completion documents.
Choose the Scope Before You Choose the Price
A reliable re-roofing decision begins with a clear survey and a quotation that explains exactly what is included.
Compare roof areas, access, materials, underlay, battens, fixings, leadwork, chimneys, insulation, drainage, approvals, hidden defects and guarantees before comparing the final total.
Confirm Whether a Full Re-Roof Is Necessary
Local Repair
Appropriate where defects are isolated and the surrounding roof remains serviceable.
Partial Replacement
Suitable where one defined slope or connected roof area has failed.
Full Re-Roof
Often justified where coverings, underlay, battens or several interfaces have deteriorated.
Questions to Ask Every Roofer
Comparable Experience
Ask for completed projects using similar materials and roof forms.
Insurance
Request evidence of suitable public liability and employer-related insurance.
Skilled Teams
Confirm who will complete slate, tile, lead, chimney and specialist details.
Written Scope
Do not rely on a one-line description such as “replace roof”.
Project Management
Identify who handles communication, variations and quality checks.
Guarantees
Ask what is covered, for how long and what exclusions apply.
What Should a Re-Roofing Quote Include?
Specify Products, Not Generic Categories
- Confirm the exact slate, tile or covering product and manufacturer.
- Check pitch, exposure, headlap and fixing requirements.
- Use suitable graded roofing battens and compatible underlay.
- Ensure ridge, hip and verge details have an agreed fixing method.
- Consider BS 5534 principles for pitched-roof design and installation.
- Confirm how insulation, ventilation and condensation control will work together.
Do Not Treat Lead as an Optional Extra
A new roof covering can still leak if old valleys, gutters, chimney flashings and wall junctions remain defective.
Agree How Ridges, Hips and Verges Will Be Finished
Mortar-bedded and dry-fix systems can both be appropriate when correctly specified. The quotation should state the selected method, compatible components and mechanical-fixing requirements.
Resolve the Practical Details Before Work Starts
- Expected start date, project duration and weather limitations.
- Scaffold erection, parking, skips, deliveries and neighbour access.
- Temporary weather protection and daily site security.
- Deposit and stage-payment structure linked to real project milestones.
- VAT, provisional sums and the written variation procedure.
- Who protects loft contents, gardens, conservatories and shared access routes.
What Should You Receive at Completion?
Visual Inspection
Straight courses, complete junctions, secure ridges and functioning drainage.
Guarantees
Written workmanship cover and relevant product warranties.
Certificates
Building Regulations and other approval documents where required.
Photographs
Records of concealed work where agreed before the project.
Final Account
A clear invoice showing accepted variations and payments.
Maintenance Advice
Guidance for gutters, chimneys, leadwork and future inspections.
Plan Your Re-Roofing Project
Choosing a Roofer FAQs
How do I choose a reliable roofer?
Check comparable projects, insurance, written specifications, references, payment terms, guarantees and who will actually complete the work.
How many roofing quotations should I obtain?
Two or three detailed quotations can help, provided each contractor prices the same scope and materials.
Should I choose the cheapest roofing quote?
Not automatically. Compare access, materials, preparation, leadwork, drainage, approvals and guarantees first.
What happens if rotten timber is discovered?
The contractor should photograph the defect, explain the repair and obtain approval through the agreed variation process.
Does re-roofing require Building Regulations approval?
It can, depending on the roof area, structural loading and changes to insulation or other thermal elements. Confirm the route before work begins.
Can I stay at home during a re-roof?
Usually, although noise, vibration and temporary disruption should be expected.
What guarantee should a new roof have?
The written contract should identify workmanship cover, duration, exclusions and any separate product warranties.
Can an accepted quotation change?
Only where the contract permits a variation, such as hidden defects, and the additional work is clearly documented and approved.
Request a Survey-Led Re-Roofing Quote
Neal Roofing can inspect the roof, define the recommended scope and prepare a property-specific written quotation.