Buying a new-build home comes with peace of mind—at least that’s the idea. Everything is supposed to be brand new, built to high standards, and protected by warranty. But what does that warranty actually cover? And how long does it last?
In this guide, we’ll explain exactly what’s included in your new-build warranty, how long each part lasts, and how to make sure you don’t miss your chance to get defects fixed.
What Is a New Build Warranty?
A new build warranty is a type of insurance-backed protection that covers you—the homeowner—against major structural problems and workmanship issues for a set number of years after construction.
Most homes in the UK come with a 10-year warranty, provided by a recognised scheme such as:
- NHBC (National House Building Council)
- Premier Guarantee
- LABC Warranty
- Checkmate
- Or via the New Homes Quality Code (NHQC)
The warranty isn’t a one-size-fits-all policy. It usually has different phases, depending on how long you’ve lived in the property.
Typical Warranty Timeline
Let’s break it down:
🧾 0–2 Years: Developer Responsibility Period
During the first two years after completion, your builder or developer is directly responsible for:
- Cosmetic issues (chips, scuffs, marks)
- Poor finish (uneven flooring, unsealed windows)
- Faulty installations (kitchens, plumbing, electrics)
- Missing items or incomplete work
- Snagging defects
If anything breaks due to poor workmanship or was never properly installed, the developer should fix it—no debate.
This is when a Post-Completion Snagging Survey is especially valuable. Many homeowners are surprised at how many issues still qualify for repairs under the 2-year window, even after they’ve moved in.
Book a post-completion survey →
🛠️ Years 3–10: Structural Warranty Period
After year two, the builder is off the hook for most issues—but you’re still protected for serious structural defects. The warranty provider (e.g. NHBC) steps in to cover:
- Structural failure of walls, floors, roofs
- Foundation issues
- Load-bearing elements
- Drainage problems related to design or construction
This doesn’t include:
- Wear and tear
- Minor cracking
- Normal maintenance
- Appliance failures
- Decoration issues
If your roof leaks because a tile slipped, that’s your problem. If the roof structure collapses due to poor design, that’s theirs.
Is the NHQB Warranty Any Different?
Yes. As of 2022, most major builders are now signed up to the New Homes Quality Board (NHQB) and follow the New Homes Quality Code (NHQC).
This adds extra layers of consumer protection, including:
- Mandatory pre-completion inspections (you can book your own)
- A dedicated complaints process
- Enforceable timescales for fixing issues
- A New Homes Ombudsman service
If your builder is NHQB-registered, they must address snagging reports—even post-completion—within a reasonable timeframe. This improves your position massively when it comes to chasing repairs.
What’s Not Covered by New Build Warranties?
It’s important to know where the limits are. Most policies will not cover:
- Damage caused by lack of maintenance
- Natural settlement cracking (unless extreme)
- Issues caused by home improvements
- Wear and tear on carpets or paint
- Damage from storms, floods, or leaks unrelated to build error
And crucially: if you don’t report a snag or issue in the first 2 years, you may lose the right to have it corrected for free.
How to Make the Most of Your Warranty
Here’s how to stay protected without any headaches:
✅ 1. Book a snagging survey early
Ideally, you’d get a Pre-Completion Inspection before moving in. But if you’ve already moved in, don’t worry—Post-Completion Surveys are designed to catch everything you missed and help you report it before the 2-year mark ends.
✅ 2. Keep a defect log
Note down issues you spot as you live in the home. Use a spreadsheet or just keep a folder with dated photos.
✅ 3. Report in writing
Send your snag list or defect list by email. This creates a time-stamped record and is much harder for a developer to ignore.
✅ 4. Follow up
If the builder doesn’t act within a reasonable time, raise a complaint via the NHQB or your warranty provider.
Real-Life Example: £3,800 Saved
One of our clients booked a post-completion inspection 18 months after moving in. They hadn’t noticed anything serious—just a few sticking doors and patchy paint.
The survey revealed:
- Improperly sealed windows
- Unvented bathroom extractor
- A gap behind kitchen units hiding uninsulated pipework
- Driveway gradient causing pooling water
The builder addressed all issues, and even re-levelled the drive—all within warranty. Cost to fix privately? Over £3,800. Cost of the survey? Less than £500.
Conclusion: Know Your Rights, Use Your Window
Your new home warranty is there to protect you—but only if you use it in time. The first two years are the most important. If something feels off, looks wrong, or just doesn’t sit right—get it checked.
You’re entitled to a safe, well-built home—and there’s no harm in making sure you actually got one.
Want Help While You’re Still Covered?
Book a Post-Completion Snagging Survey today. We’ll inspect every room, fixture, and fitting—and give you a professional report to hand straight to your developer.
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