Premier Rear Extension Services in Ireland

Have you ever felt limited by the space in your home? Looking to breathe new life into your property? Coastal Homes is here to help you. We specialise in transforming homes with stunning rear extensions. Experience the remarkable change it can bring to your living space. Don’t wait, contact us today or give us a call.

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Get in Touch with Coastal Homes!

We’re just one click away. Fill out the form below to start your journey with us.

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Why Choose Coastal Homes for Rear Extension Services in Ireland

Local Understanding

Living in Ireland, we understand the unique architectural nuances and the weather conditions. With our deep-rooted local knowledge, we can design a rear extension that perfectly complements your Irish home while ensuring longevity against the elements.

Tailored Designs

Every home and homeowner is unique. We ensure your rear extension not only meets but exceeds your expectations by creating tailored designs that align with your vision and the aesthetics of your existing home.

Comprehensive Solutions

Whether it’s a single-storey rear extension or a more intricate dormer bungalow rear extension, we offer solutions that encompass all aspects, from planning to execution, ensuring seamless integration.

Sustainability Matters

Being responsible builders, we ensure that all our rear extension projects are environmentally friendly. We use sustainable materials and techniques that minimise environmental impact while maximising energy efficiency.

Transparent Pricing

Budgets are essential. Coastal Homes prides itself on offering competitive and transparent pricing without compromising on quality. Every penny spent is an investment in quality and craftsmanship.

side and rear extension

Get Your Dream Home in Three Easy Steps!

Design Consultation

Got a vision for your dream home? Share it with us! Our expert team is all ears, ready to understand and incorporate your unique needs into the design.


Watch your dream take shape! Our skilled builders ensure quality construction, keeping you in the loop at every step. We believe in making the process transparent and enjoyable for you.


The moment you’ve been waiting for stepping into your dream home! We ensure a smooth handover process, leaving you to enjoy the comfort and beauty of your new beautiful home.

building a rear extension

Professional & Experienced Rear Extension Company in Ireland

It’s more than just adding space; it’s about enhancing your home’s value, functionality, and aesthetic appeal. But without the right expertise, the dream can quickly become a nightmare. Missed deadlines, unexpected costs, and poor-quality work can all arise.

Our services include:

  • Side and Rear Extension
  • Building a Rear Extension
  • Contemporary Rear Extension
  • Rear Kitchen Extension
  • Semi-Detached Rear Extension

Our Comprehensive Services

Home Renovation

Beyond rear extensions, our team specialises in full home renovations. We can transform your existing space into a modern haven while preserving its historic charm.

Loft Conversions

Utilise that unused attic space. Our team can transform it into a functional room, be it a home office, bedroom, or a playroom.

New Builds

Starting from scratch? We can help you design and build your dream home, ensuring every corner resonates with your vision.

Landscaping Services

Complete your home transformation with impeccable landscaping. From gardens to patios, we create outdoor spaces that you’ll love.

Interior Designing

An extended space needs a touch of design magic. Our interior designers are adept at turning any space, old or new, into a masterpiece.

single storey rear extension

Dreaming of a custom-built home?

At Coastal Homes, we transform dreams into reality. Embark on your journey with us today and let’s create your perfect haven.

Services We Provide at Coastal Homes

House Extensions

House Extensions

House Renovation

House Renovation

Windows & Doors

Windows & Doors

Interior Design

Attic Conversion

contemporary rear extension

Our Process


Our journey begins with understanding your vision. In our initial consultation, we discuss your requirements, the potential challenges, and the scope of the project.

Designing & Planning

After understanding your vision, our design team creates detailed plans. We also help you navigate any planning permissions or regulations related to your rear extension.


With approved plans in place, our skilled craftsmen begin the transformation. Regular updates ensure you’re always in the loop, and any concerns are addressed promptly.

Completion & Handover

Once your rear extension is ready, we conduct a thorough quality check, ensuring every detail aligns with our shared vision. After any final tweaks, we hand over your transformed space.

What Our Client Says

Coastal Homes built my dream home! Their attention to detail and professionalism is unmatched.

I couldn’t be more happier!

Coastal Homes has a fantastic team!

They turned my vision into a reality and built a home that exceeded my expectations.

I can’t thank Coastal Homes enough! They made the construction process easy and enjoyable.

I love my new home!

Coastal Homes is the best!

They built a beautiful home that fits all my needs. The team is friendly and professional.

I had a great experience with Coastal Homes. They understood what I wanted and delivered beyond my expectations.

Coastal Homes is amazing!

They helped me design and build my dream home. The process was easy and stress-free.

I highly recommend Coastal Homes!

They made the construction process simple and enjoyable. I’m in love with my new home!”

Coastal Homes exceeded my expectations!

They built the perfect home for me. The team is professional and attentive.

I had a wonderful experience with Coastal Homes. They made the construction process easy and enjoyable.

In love with my new home!

Frequently Asked Questions

What is a rear extension?

A rear extension is a structural addition to the back of a home, expanding its living space. These can be single or multi-storey, tailored to the homeowner’s preferences.

Do I need planning permission for a rear extension in Ireland?

In Ireland, many rear extensions can be built without planning permission under the ‘Exempted Development’ rules. However, certain criteria and size limits apply, so it’s vital to check with your local council.

How much does a rear extension cost in Ireland?

Costs can vary based on design, materials, and specifics of the build. As a general ballpark, rear extensions in Ireland can range from €1,200 to €1,800 per square metre. However, it’s essential to get a tailored estimate.

How long does it take to build a rear extension in Ireland?

Depending on complexity, a single-storey rear extension in Ireland might take about 10-14 weeks from start to finish. More intricate designs or unforeseen challenges can lengthen this time.

Can I add a rear extension to a semi-detached house in Ireland?

Yes, rear extensions can be built on semi-detached homes in Ireland. It’s important to respect boundary lines and any local regulations, ensuring a smooth process.

How can I ensure my rear extension suits my home's design in Ireland?

Engage a reputable architect or builder familiar with Irish architecture and regulations. They can help design an extension that harmonises with your home’s existing style and character.

Build Your Dream Rear Extension with Coastal Homes

Your home is a reflection of your journey. Enhance its narrative with a beautifully designed rear extension.

Embrace the solution to all your space concerns. Complete the contact form below, and you’ll hear from us within 2-4 hours. For immediate assistance or to discuss your vision, please call us.

Get in Touch with Coastal Homes!

We’re just one click away. Fill out the form below to start your journey with us.

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