A building warranty is a quality mark and guarantee scheme that provides homeowners with additional protection when building or renovating a property. Contractors registered with a warranty scheme meet strict quality requirements and offer their clients financial security — for example in the event of insolvency or construction defects.
What Does a Building Warranty Offer?
The scheme protects consumers on several levels:
- Insolvency protection — if the contractor goes bankrupt, the work is completed or the homeowner is compensated
- Defects cover — defects that appear within the warranty period are repaired
- Dispute resolution — in case of disagreement, an independent adjudicator can be appointed
- Quality auditing — registered companies are periodically inspected
Application
Building warranties are relevant for various construction projects:
- New build — homeowners commissioning a new house
- Renovation — major refurbishments to existing properties
- Extensions — conservatories, rear extensions and loft conversions
- Major maintenance — extensive works to roofs, facades and services
Warranty Periods (Typical)
- Structural warranty (NHBC/similar) — 10 years for structural defects
- Contractor’s warranty — 1–2 years for general defects (snagging period)
- Manufacturer’s warranty — varies by product (e.g. 10–25 years for roof tiles)
- Latent defects insurance — 6–12 years depending on policy
Related Terms
- Contractor
- Guarantee
- Handover
- Building contract
- Snagging
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