Enhance Your Living Space with a House Extension

With over 25 years experience in transforming homes in Edinburgh,
we’re dedicated to bringing your vision to life without the need for relocating.

House Extension Builders in Edinburgh & the Lothians

Transform your home with Muirfield Construction, where we turn your vision into reality with extensions that redefine your living space. Recommended by top architects, our approach begins with respect for your home and vision. ‘From the moment Martyn and Stevie step into your property’ you’ll know you’re in good hands.

Our customers recommend us for any building work but also testify to our commitment to quality, timelinesscommunication and flexibility, giving a positive experience from start to finish.

Choose Muirfield Construction for your house extension in Edinburgh or the surrounding areas, and let us make your home extension journey as seamless and enjoyable as the spaces we create.


  • Price Certainty: We guarantee that the price we quote is the price you pay, with no unexpected costs.
  • Quotes, Not Estimates: When we provide a price, it’s a firm commitment, not a rough guess. You can budget with confidence knowing the financial aspect of your project is secured.
  • Industry Experts: Fixed pricing in our field is uncommon. We believe in full transparency and accountability.
  • Adherence to Plans: Our fixed prices are assured, provided there are no deviations from the agreed-upon plans and drawings.

From Architect’s Sketch to Perfect Finish: Your Home, Redefined

house extensions midlothian

Muirfield Construction is more than just a construction company; we are your dedicated partners in the journey of transforming your home. Our collaboration with local architects guarantees that each project becomes a personalised creation that reflects your vision, needs and desires.

Our approach is founded on open communication and flexibility, ensuring that your voice is heard and valued from start to finish. We keep you involved in every step along the way. As your needs and inspirations evolve, our plans adapt seamlessly to meet and exceed your expectations.

This commitment to collaboration and excellence ensures that the process of expanding your living space is as fulfilling and stress-free as the exceptional, functional space we bring to life. Trust Muirfield Construction to redefine your home with precision, passion, and personalised care.

Fill out our Contact Form

Use our form to give us a few details about your home, extension project and a way to contact you.


We'll be in touch to arrange a Home Visit

Martyn or Stevie will visit your home to understand what you’re looking for, give advice and explain the process.


Get your Fixed Price Quote

Once we have the details we need, we’ll be in touch with a quote and a timescale within a few days.


Welcome the new Home Expansion

Whilst the work is underway, we’ll keep you informed, ensuring you’re satisfied with the end result.




We elevate your home with bespoke extensions, seamlessly adding space and value. Our expert team blends innovative design with precision craftsmanship, ensuring every project enhances your home’s functionality and aesthetic appeal.

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We reimagine your living space with meticulous renovations, from kitchen updates to full home makeovers, prioritising quality craftsmanship and minimal disruption to deliver spaces that perfectly blend beauty with functionality.

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We specialise in complex structural alterations, from enhancing open-plan living spaces to improving natural light, expertly balancing aesthetic appeal with the highest safety standards, setting us apart in the field of building contractors.

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We excel in transforming under-utilised spaces into valuable, functional areas of your home through loft and basement conversions, enhancing both the functionality and value of your property with professional care and precision.

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Customer Testimonial

Builders who truly care

I got recommended to muirfield construction by the architect we chose. Martyn and Stevie came around to look at the property and give a quote for a lower level extension. They were both very friendly and polite. They insisted on taking their shoes off before entering the property – this gave a good initial first impression, and we accepted the quote after receiving a few days later.

They finished the work within the 3 month timescale they gave and were a joy to be around the whole time. Nothing was a problem to them – as a few changes to the works were requested along the way. We are very satisfied with the completed work and would recommend them to everyone looking to have any building work done.

– Danny

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Construction Experts

25 years in the industry


Operating across the Lothians


Get a Quote

Fixed Priced Quotes on Extensions

Our Address

Muirfield Construction

19 Douglas Crescent, Bonnyrigg, Midlothian, Scotland, EH19 2DG

Company number SC754226