CONTRACTORS

How to Find the Right Building Contractor (And Avoid Costly Mistakes)

Choosing a Builder Shouldn't Feel Like Gambling

Whether you're planning a house extension, loft conversion, renovation, landscaping project, or a full property refurbishment, choosing the right contractor is one of the most important decisions you'll make.

The cheapest quote is rarely the cheapest project.

Many homeowners focus on price alone, only to discover later that key items were excluded, workmanship is poor, communication is lacking, or the project takes months longer than expected.

The goal isn't finding the cheapest builder.

It's finding the right builder.

Why Choosing the Wrong Contractor Can Cost Thousands

Common issues homeowners face include:

❌ Unrealistically cheap quotes

❌ Poor workmanship

❌ Constant requests for additional money

❌ Delays and missed deadlines

❌ Lack of communication

❌ Builders disappearing halfway through projects

❌ Work that fails Building Control inspections

A contractor that is £10,000 cheaper initially can easily end up costing £20,000 more by the time mistakes are corrected.

1. Don't Compare Prices – Compare Scope

One of the biggest mistakes homeowners make is comparing the bottom line.

For example:

Builder	Price
Builder A	£45,000
Builder B	£58,000
Builder C	£62,000

Most people immediately focus on Builder A.

But what if Builder A hasn't included:

• Structural steel installation

• Electrical upgrades

• Decorating

• Waste removal

• Building Control fees

• Floor finishes

Suddenly the cheapest quote becomes the most expensive.

What To Ask

Ask every contractor:

"Can you provide a breakdown showing exactly what is included and excluded?"

A professional contractor should be able to provide this.

2. Ask To See Similar Projects

Anyone can show photos downloaded from the internet.

Instead ask:

• Have you completed similar projects?

• Can I see before and after photos?

• Can I speak with a previous customer?

• Can I visit a completed project?

A contractor who has completed twenty loft conversions is generally a safer choice than one attempting their first.

Visual Example

7

3. Check Reviews Properly

Don't just look at the star rating.

Read:

• The negative reviews

• How the company responds

• Whether reviews mention communication

• Whether projects were completed on time

Look for patterns.

One bad review isn't necessarily a problem.

Ten reviews mentioning poor communication probably is.

4. Ask About Insurance

A legitimate contractor should normally carry:

• Public Liability Insurance

• Employers Liability Insurance (where applicable)

Ask for evidence.

Professional contractors won't be offended by the request.

5. Understand Who Will Actually Be On Site

Many homeowners think they're hiring the person who quoted the work.

Often they're not.

Ask:

• Who will manage the project?

• Who will be on site daily?

• How often will the owner visit?

• Who is my point of contact?

Communication often determines whether a project feels stressful or enjoyable.

6. Beware of Large Upfront Payments

This is one of the biggest warning signs.

A reasonable payment structure often follows progress.

For example:

Extension Project

• Deposit for booking and materials

• Foundations completed

• Structure completed

• Roof completed

• First fix completed

• Final completion

Avoid paying huge sums before work begins.

7. Ask About Programme and Timescales

Ask for:

• Start date

• Estimated completion date

• Key milestones

A professional contractor should have a realistic programme.

Be cautious of builders promising unrealistically fast completion times simply to win work.

8. Make Sure Building Regulations Are Considered

A good contractor should understand:

• Building Regulations

• Structural requirements

• Insulation standards

• Fire regulations

• Drainage requirements

If a builder dismisses regulations as "not important", that's a major red flag.

9. Trust Your Instincts

This sounds simple, but it's important.

Ask yourself:

• Do they return calls?

• Are they organised?

• Are they punctual?

• Do they answer questions clearly?

• Do they seem transparent?

If communication is poor before work starts, it rarely improves once construction begins.

The Contractor Scorecard

Before making a decision, score each contractor out of 10:

Category	Score
Experience	/10
Communication	/10
Reviews	/10
Similar Projects	/10
Insurance	/10
Professionalism	/10
Detailed Quote	/10
Value For Money	/10

The contractor with the highest score is often the best choice—even if they aren't the cheapest.