top of page

Professional Builders in Glasgow

Local Building Contractors, Specialising in Home Extensions, Loft Conversions & Garage Conversions in Glasgow & Surrounding Area's

Extending & Converting Homes in Glasgow for 30+ Years

If you live in Glasgow and are looking to expand your living space or transform your home, we have the expertise and experience to bring your vision to life. At Glasgow Extensions & Conversions, we know that every home deserves the highest level of attention and care, and we are passionate about creating unique and stunning spaces that reflect our clients' personalities and lifestyles.


I’m a paragraph. Use this space to tell people more about what you do and the services you offer. Double click here or click Edit Text to get started.


Welcome to Glasgow Extensions & Conversions, Your Trusted, Local, Reliable Builders in Glasgow, Cumbernauld, Falkirk, East Kilbride & Surrounding Area's

Creating Your Dream Space


Decking > Roofing > Kitchens > Bathrooms & More

About Us

Are you looking for experienced, reliable builders to transform your space into something extraordinary? Look no further!

Glasgow Extensions & Conversions, based in the heart of Glasgow, is owned by local builder Stan Milligan, who has over 30 years of experience in the building industry, and has established an enviable reputation as the leading provider of bespoke building services specialising in all forms of House Extensions in Glasgow including traditional Rear Extensions, Double Height Extensions, Single Storey Extensions, Kitchen ExtensionsWrap Around Extensions, Side Return Extensions as well as all styles of Loft Conversions and Garage Conversions.

Rear Extension Glasgow.jpeg

Working with homeowners from Glasgow City Centre, Bearsden, Giffnock and South Side Glasgow through to Ashton Lane, Glasgow West End, Merchant City, Scotstoun and Glasgow East End, we manage every aspect of your project from initial design and planning through to building and completion and take great pride in our commitment to delivering exceptional quality and craftsmanship in every home extension, conversion or other projects we undertake.  Our team of highly skilled building professionals are dedicated to delivering stunning home extensions and conversions that exceed our clients' expectations. 

Highest Quality
Finish Gauranteed

Fully Trained Professional

Over 30 Years

Public Liability Insurance to the Sum of £5 Million

Recent Work

Happy Customers

Double Garage Conversion & Kitchen Extension - Location G68

''Very fairly priced. Project managed professionally. Dependable and trustworthy. Unforeseen changes to plan was handled calmly. Highly efficient team of workers , friendly and approachable. Excellent workmanship throughout. Highly recommend''

Extension for WC, Utility and Family Room - Location FK3

''I am very happy with the work Stanley and his team carried out. He kept to timelines and carried out a few extra jobs at the end. There were some adaptations to the plans that he undertook with professionalism. Would highly recommend and if needed any further work I would contact him again''

Why Choose Us


Glasgow Extensions & Conversions is a local, professional and trusted family-run building company serving home owners throughout Glasgow and the surrounding areas. Not only do we have more than 30 years’ experience in the building trade but all of our past clients would recommend us and have rated us 10 out of 10 on CheckaTrade.

Attention to Detail

During the planning stages of your home extension or conversion, we work closely with both our customers and the local authorities to cover every last detail. After looking at your architect’s drawings and discussing your needs with you, we will provide you with a free quote. Once you have accepted this, we will arrange a suitable date and time for work to commence and we aim to provide hassle-free experience throughout the whole process.

Meeting Your Needs

When you choose G.E.C, we will always go the extra mile to meet your needs. As well as providing any advice and guidance you may require, we offer a payment plan scheme for smaller jobs. Designed to suit your individual needs and budget, our professional building services are not only highly effective but also affordable. We guarantee to deliver a project that suits your property and your unique requirements to the very highest standards.

Qualified Tradesmen

Our time-served tradesmen are certified by City & Guilds for carpentry and joinery and hold CSCS cards. We meticulously observe all local authority building standards and provide you with the relevant completion certificate once the work is complete and signed off.

Request a Call
All the Latest From Our Blog
Call Our Expert Team Today on 01236 378934 | 07594 587418

To Discuss Your Dream Home Extension or Conversion Idea's for you home in Glasgow

bottom of page