Transform Your Scotland Home with Expert
Building Extension
Your home should work for you, and our team is here to make that happen. Building Extensions provides professional extension and renovation services throughout Scotland, with most projects completed for homeowners in Glasgow. We focus on creating modern, spacious and functional living areas that add real value to your property
Bespoke Home Extensions Crafted for
Scotland Living
12 weeks
Typical Build Time
10 years
Structural Warranty
+ 25 %
Property Value
Who We Are
Building Trust. Creating Space. Adding Value.
Building Extensions is a home improvement company serving clients across Scotland, with most of our work carried out in Glasgow. We specialise in home extensions, conversions and full property upgrades that increase space, improve comfort and raise long term value. Our team combines strong craftsmanship with organised project management so every client receives a professional and predictable experience.
👉 Save time and money with our clear Design & Build process – [read more on our blog].
01.
Experience
15+ years building home extensions Scotland with proven results.
02.
Pricing
We offer stage-by-stage pricing with no hidden costs or extras.
03.
Planning
All planning permission for extensions Scotland handled with ease.
04.
Quality
Every home extension Scotland includes a 10-year structural warranty.
05.
Satisfaction
Over 60% of new projects come from referrals and repeat clients.
06.
Service
A dedicated Project Manager keeps your extension project on track.
Home Extensions Across Glasgow:
South, North, West & East
At Building Extension, we specialise in designing and building bespoke home extensions in Scotland, delivering beautiful spaces tailored to your lifestyle. From stylish rear extensions in Glasgow to contemporary kitchen extensions in Southside Glasgow, innovative wrap-around projects in North Glasgow, and elegant double-storey extensions in West Glasgow, our portfolio reflects our commitment to quality and detail.
Why Homeowners Choose Us
Building Trust. Creating Space. Adding Value.
Clients trust us for reliable service, strong communication and consistent results. From the first consultation to the final handover, our process is designed to be smooth and stress free. We listen carefully, plan accurately and build with attention to detail in every phase of the project.
👉 A smartly planned extension solves space issues without the need to move house – [see more on our blog].
Peace of mind
A dedicated Project Manager keeps your house extension Scotland running smoothly.
Fixed pricing
Transparent costs so your home extension Scotland stays on budget without surprises.
Expert planning
We manage all planning permission for extensions Scotland, saving you time and avoiding delays.
Proven results
Over 70% of projects at Reltic Extend come from happy client recommendations in Glasgow.
The Building Extension Promise
Before we even think of starting a design, we will thoroughly analyse the history and physical properties of a site.
Every home extension Scotland we deliver is built with durability in mind. All projects include a full 10-year structural warranty, so you know your investment is protected for the long term. On top of that, our team provides 6 months of aftercare support to resolve any small issues that may appear once you’ve settled into your new space.
We understand how stressful delays and unexpected costs can be. That’s why every house extension Glasgow, Scotland is managed by a single dedicated Project Manager who keeps everything running smoothly. With trades kept in-house, you benefit from tight programmes, efficient scheduling, and no inflated subcontractor mark-ups. The result? Your project is delivered exactly when promised, at the agreed cost.
Paperwork and approvals can be overwhelming. At Building Extension, we take care of it all – from planning permission for extensions Scotland to Building Regulations and on-site inspections. You’ll have the confidence of knowing that your extension is legally sound, structurally safe, and built to the highest standards.
Our skilled extension builders in Glasgow, Scotland are fully qualified and bring years of experience across all types of property extensions. From rear extensions to double storey extensions, we deliver quality workmanship, safe working practices, and attention to detail on every project.
Over 60% of our new property extensions Scotland come directly from client referrals. That means homeowners who trusted us were so satisfied with the outcome that they recommended us to family and friends. It’s proof that when you choose Building Extension, you’re in safe hands.
We deliver quality workmanship, honest guidance and clear timelines. We respect your home and keep the entire experience organised and transparent. Our goal is to ensure you always know what is happening, when it is happening and why it matters.
The Building Extension Goal
At Building Extension, We aim to be Scotland’s leading choice for high quality extensions and renovations by raising industry standards and giving homeowners a service they can truly depend on. We believe every family deserves a home that suits its needs, supports its lifestyle and feels comfortable for years to come.
Your Project, Built the Right Way
Whether you want to add a new room, open up your living space or complete a full transformation, we deliver solutions built around your goals. If you are ready to improve your home, our team is ready to bring your ideas to life.
Extending your home is often cheaper than buying a bigger property – [see comparisons on our blog].
Frequently Asked Questions About Home Extensions in Glasgow
Thinking about a double-storey extension but not sure where to begin? You’re not alone – many of our clients have the same questions before starting their project. To make things clearer, we’ve prepared answers to the most common queries about costs, planning, design, and the building process, so you can move forward with confidence.
Yes! At Building Extension, we provide a free home extension cost calculator in Glasgow, Scotland that gives you an instant estimate based on your project details. Simply enter your preferred extension type – whether it’s a rear extension, kitchen extension, side return extension, or double-storey extension – along with your property size, and you’ll receive a clear cost guide within seconds. It’s the easiest way to plan your budget before arranging a detailed consultation with our team.
In most cases, yes. Double-storey extensions usually require planning permission, especially in Scotland where space is tight. Our team manages the entire planning process for you, including drawings and applications.
On average, a double-storey extension takes 16 – 24 weeks, depending on complexity. This includes planning, construction, and finishing touches, with our team keeping you updated at every stage.
Absolutely. A well-designed double-storey extension can significantly increase your property’s market value, often by more than the cost of the build itself. It also makes your home more functional and attractive to buyers.
Yes, most clients remain in their homes during construction. We carefully plan the works to minimise disruption and keep your daily life running as smoothly as possible.
The ground floor often becomes a spacious kitchen -diner or family room, while the upper floor can be transformed into bedrooms, a bathroom, or even a home office. The design is entirely tailored to your needs.
Tips & Ideas
