North-West-London

Leading Construction Companies London for Quality Home Builds

Clear communication, fair pricing, multi-trade expertise, and rigorous quality control.

Construction Experts in North West London

North West London is one of the most sought-after regions in the capital, known for its diverse properties, growing families and rising demand for high-quality home improvements. HM Construction proudly serves this area by delivering exceptional workmanship, reliable service and long-lasting results. With increasing competition among construction companies in London, our commitment to quality makes us a trusted name across Kingsbury, Queensbury, Colindale, Wembley and Hendon.

Whether you’re planning a loft conversion, a home extension or a full renovation, our skilled team ensures every project is carried out with precision, transparency and

Why Homeowners Choose HM Construction

Selecting the right partner from many construction companies in London can feel overwhelming. HM Construction sets itself apart through:

  • Certified & insured builders
  • Clear communication throughout the project
  • Accurate, transparent quotations
  • Premium materials & modern building standards
  • Dedicated project management
  • Respect for your home, budget and timeline

Every project, whether large or small, deserves high-level craftsmanship and complete attention to detail. This customer-first approach has helped us build a strong reputation across North West London.

Our Construction & Home Improvement Services

At HM Construction, we offer a complete range of construction services in London, ensuring your property is improved, expanded or upgraded exactly as you envision.

Loft Conversions

Loft conversions are one of the best ways to maximise space without extending outward. We specialise in:

  • Dormer loft conversions
  • Hip-to-gable designs
  • Mansard conversions
  • Velux/skylight lofts

As experienced London construction specialists, we transform unused attic areas into comfortable bedrooms, offices or storage-friendly spaces, boosting both space and property value.

Home Extensions

Our house extensions London service helps families grow without needing to move. We build:

  • Rear extensions
  • Side-return extensions
  • Wrap-around extensions
  • Double-storey extensions

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Every extension is planned with structural strength, modern architecture and practical layouts to improve your lifestyle

Home Renovations & Refurbishments

From partial upgrades to full-home transformations, our home renovation London services include:

  • Kitchen and bathroom upgrades
  • Full property refurbishments
  • Flooring, plastering and painting
  • Electrical and plumbing improvements

We blend functionality with premium finishing, creating spaces that feel modern, bright and elevated.

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Kitchens & Bathrooms

Our kitchen and bathroom services include:

  • Modern kitchen remodelling
  • Bathroom redesign and installation
  • Tiling, plumbing and lighting upgrades
  • Premium fixtures and fittings

These two rooms add the most value to your property, so we ensure they look stunning and perform beautifully.

Roofing, Brickwork & Structural Work

We also provide essential services such as:

  • Roof repairs and installations
  • Brickwork restoration
  • Chimney repair
  • Structural reinforcement

Your home’s safety and durability remain our top priority at every stage.

Carpentry & Bespoke Joinery

Custom carpentry gives your home a unique, functional touch. We offer:

  • Fitted wardrobes
  • Staircase installations
  • Interior doors and frames
  • Custom shelving and storage options

All crafted with precision for smooth, long-lasting results.

Areas We Cover in North West London

HM Construction delivers high-quality building services across the following key areas:

Kingsbury, London

Kingsbury offers spacious homes ideal for loft conversions, modern kitchens and rear extensions. We frequently help families create open-plan living areas and functional new rooms.

Queensbury, London

In Queensbury, our work focuses on renovations, extensions and complete interior makeovers. Homeowners rely on us for practical designs and premium finishing.

Colindale, London

With modern developments growing in Colindale, we provide stylish loft conversions, smart space planning and contemporary kitchen upgrades.

Wembley, London

Wembley homes often benefit from larger extensions, bathroom refurbishments and complete structural improvements to support growing families.

Hendon, London

Hendon properties vary from modern flats to traditional houses. We offer full-service construction work, including carpentry, roofing, loft conversions and refurbishments.

Why HM Construction Stands Out Among Construction Companies in London

Many construction companies in London offer services, but few combine:

  • Professional project management
  • Skilled multi-trade specialists
  • Transparent communication
  • Long-lasting workmanship
  • Fair and honest pricing

At HM Construction, every project is handled with care, ensuring your home improvement investment is worthwhile, safe and beautifully completed.

Book Your Free Site Survey Today

Ready to transform your home?

HM Construction provides free surveys, expert guidance and competitive quotations across North West London.

FAQs

How long does a loft conversion take to complete?

Most loft conversions are completed within 6–10 weeks, depending on design and size.

Many loft conversions fall under permitted development, but we handle all approvals if required.

A loft conversion can increase property value by up to 20%, making it a smart investment.

Yes, we can design and install en-suite bathrooms in most loft conversions.

We offer dormer, mansard, hip-to-gable, and Velux loft conversions across London.

We work efficiently to minimise disruption, keeping your home safe and liveable throughout.

Most homes are, but suitability depends on roof height, structure, and access.

Yes, all loft conversions must comply with UK building regulations for safety and quality.

Dormer loft conversions are the most common due to their flexibility and added space.

We deliver bespoke designs, expert craftsmanship, and complete project management.

FAQs

What is the average loft conversion cost in London?

Most projects range from £18,000 to £45,000, depending on type and specifications.

Do I need planning permission for a loft conversion?

Many fall under permitted development, but building regulations approval is always required.

How long does a dormer loft conversion take?

Typically, 6–8 weeks from start to finish.

Can I add a bathroom in my loft conversion?

Yes—many clients include en-suites, especially in loft bedroom designs.

Are loft conversions worth it?

Absolutely. They offer one of the highest returns on investment among home improvements.

Is a hip roof loft conversion suitable for my home?

Ideal for semi-detached properties, it adds width and usable space—popular in Perivale.

Do you offer financing options?

Yes—we provide flexible payment plans to suit your budget.