How to Choose a Builder in Aberdeen

Choosing the right builder is the single biggest decision in any home project. Get it right and the work runs smoothly, on budget and to a standard you are proud of. Get it wrong and it can cost you far more than money. Here is how to vet a builder in Aberdeen properly.

Whether you are planning a loft conversion, a kitchen refit or a full home extension, the quality of the firm you hire matters more than any single design choice. A good builder protects your money, your home and your peace of mind. A poor one can leave you with unfinished work, no paper trail and no recourse. The difference between the two is usually visible before a single brick is laid, if you know what to look for.

This guide is a practical vetting process. It covers the credentials worth checking, the paperwork that protects you, the warning signs that should make you walk away, and the exact questions to ask before you commit. None of it requires you to be an expert. It just requires you to ask, and to expect straight answers.

Start with accreditations and insurance

Anyone can call themselves a builder. Accreditation is the first honest filter, because the recognised schemes vet their members and hold them to a standard. The two names worth knowing in the UK are the Federation of Master Builders (FMB) and TrustMark, the government-endorsed quality scheme. Membership of either means the firm has been independently checked, not simply that it owns a van and a website.

Insurance is just as important and far more often overlooked. A builder working on your home should carry public liability insurance at a minimum, which covers damage or injury arising from the work. Ask to see the certificate and check it is current. If a firm cannot or will not show you proof of cover, that on its own is a reason to look elsewhere.

Granite Builders is a family-run firm with over 20 years of experience, an FMB member and TrustMark registered, and we are fully insured on every job. We are happy to evidence all of it before you decide anything.

Insist on a written quote, never a verbal one

A verbal price is worth nothing once work begins. A proper written quote sets out exactly what is included, what is excluded, and what the figure covers, so there is no argument later about whether something was part of the deal. It is the document you measure progress and final cost against.

Be wary of a quote that is suspiciously low. A figure well below everyone else's is rarely a bargain. It usually means something has been left out, cheaper materials are assumed, or the price will climb through extras once you are committed. A good builder explains what drives the number rather than just naming one. If you want a sense of realistic figures before you compare quotes, our cost guides for home extensions and loft conversions set out the typical ranges.

Get a contract and tie payments to milestones

For anything beyond the smallest job, you want a written contract. It does not need to be intimidating. At its simplest it records the scope of work, the agreed price, the rough timescale, and how and when payments fall due. That single document prevents the great majority of disputes, because both sides know what was agreed.

On payments, the safest structure is stage payments tied to completed milestones. You pay as defined sections of the work are finished, which keeps the builder's incentive aligned with progress and means you never get far ahead of the work you have actually received. A small deposit to secure dates and order materials is normal. A demand for a large slice of the total before anyone has started is not.

Check references, reviews and recent work

A builder worth hiring will have a trail of satisfied customers, and will be glad to point you to them. Ask for recent local references, ideally for jobs similar to yours, and actually follow them up. Speaking to someone who has lived with the firm's work for a year tells you things no brochure can.

Independent reviews add a second view. Look across more than one platform rather than trusting a single page, and read how a firm responds to any criticism, which often says as much as the praise. Where you can, ask to see finished projects in person or in honest photographs. Pattern matters more than any one glowing line.

Confirm who handles the building warrant

In Scotland most structural and habitable-room work needs a building warrant from Aberdeen City Council or Aberdeenshire Council. The warrant covers structure, fire safety, insulation and the like, and a completion certificate is issued once the work passes. This is separate from planning permission, which is a different question about whether you are allowed to build at all.

A capable builder manages the warrant process on your behalf, prepares or coordinates the drawings, and sees it through to the completion certificate. If a builder is vague about the warrant, or suggests skipping it, treat that as a serious warning. Unwarranted work can cause real problems when you come to sell. We handle the building warrant for you on every project that needs one, and we will tell you honestly when a job falls under permitted development and when a formal application is required.

Ask about the workmanship guarantee

Finally, ask what stands behind the work once the team has left. A written workmanship guarantee shows a builder is confident enough in their standards to put their name to them after the job is done. It is one of the clearest signals that a firm intends to be around, and contactable, if anything ever needs putting right.

Red flags: when to walk away

Some warning signs are serious enough that no charm or low price should override them. If you see these, be very cautious, and in most cases simply walk away.

The questions to ask before you hire

You do not need to interrogate anyone. A handful of plain questions, asked of every firm you are considering, will tell you a great deal by how readily and clearly they are answered.

1. Are you FMB members and TrustMark registered, and can I see proof?
2. Can you show me your public liability insurance certificate?
3. Will I get a full written, itemised quote rather than a verbal figure?
4. Will we have a written contract setting out scope, price and timescale?
5. How are payments structured, and are they tied to completed stages?
6. Can you give me recent local references for similar work?
7. Will you handle the building warrant and completion certificate for me?
8. What workmanship guarantee do you provide once the job is finished?

How the right builder protects you, at a glance

Run any firm you are considering against that list. A builder who comes through cleanly on every row is one you can hand your home to with confidence. On every point above, Granite Builders is set up to give you a clear, evidenced answer. We would rather you choose us with your eyes open than feel rushed into it.