House Extension in Dublin

Milltown Construction are builders with a tradition of constructing large and small house extensions in Dublin, adding more space to your home. Call us today to find out more.

End To End Dublin Extension Contractor

As one of the leading home extension contractors in Dublin, we specialise in providing a full end to end service that takes care of all aspects of your development.

From initial consultation through to house extension design, planning and final completion of the work, our building experts will project manage every stage of your build.

Whatever the size, you can trust us to remove the worry and stress and deliver your dream home extension.

House Extension Services in Dublin

We’ve a tradition of building all types of extensions including:


If you want to re-design your dream kitchen, a house extension is the perfect solution to add the extra space you need.

Single Storey

A simple single storey house extension will increase the space on the ground floor of your home and perfect for extending the kitchen, dining room or downstairs living space.

Double Storey

If you want to add a lot of space to your home, a double storey house extension is the ideal way to achieve your goal.


Add more room to the back of your property with a rear home extension. Whether you need a single or double storey build, we can design the perfect solution.


Want to increase the floor area of the front of your home? We can design a contemporary house extension addition that complements the exterior of your property.

Flat Roof

We build traditional style, one or two storey house extensions complete with a flat roof that meets planning and building regulation requirements.

Free Consultation

Looking for a company or builder that constructs large or small home extensions for properties in Dublin? We specialise in providing a professional design and build project management service. Contact us today and book a no obligation, free consultation.

Different Reasons For Extending A Home


If you’re home could do with a bit of a makeover or you want to adapt and change the layout for any reason, a house extension is the ideal way to give you more space.

Additional Living Area

Increasing the size of the living area will create more room for you and your family. Extending a lounge, adding more relaxation space or a dining area is achievable with a professionally planned house extension.

Lifestyle Changes

With the increase in working from home now being a major part of our daily lives, having a house extension that adds a home office could be the solution to afford you the peaceful environment to carry out work.

Adding Value

A well designed extension not only gives you more space to live in and grow your family, it can also add value and increase the price of your home should you want to move in the future.

House Extension Cost In Dublin

There is not a one size fits all quote for a house extension as there are many elements that will determine the overall cost.  The size of the project will be the most significant factor especially if you are looking to add a double storey or large additional space to your home.

As one of the best house extension companies in Dublin, our specialist team will help you plan the right solution for you and advise you on expected costs.

Looking for an House Extension Services in Dublin? Book a call today!

Benefits Of Extending Existing House

  • Create More Space

              A well planned home extension design will increase the space in the property. You could add a bedroom or an extended kitchen, dining area or extra living space for relaxing.

  • No Need To Move Home

              An extension could save you the stress, hassle and increased costs of moving home especially if you like the area you live in but need additional space.

  • Increase Property Value

              Extending your home will make it more attractive to future buyers and will improve the selling price in comparison to other properties in the area.

Why Select Milltown Construction To Build Your Home Extension?

Milltown Construction are one of the premier house extension companies. We specialise in planning and constructing the very best Irish home extensions.

From start to finish we will manage your project with courtesy, honesty and integrity, leaving you to get on with your busy daily lives.

Our company has helped homeowners turn their dreams into reality, affording them additional space for their families.

So, if you’re thinking of building a home extension, why don’t you get in contact with us and arrange for us to provide a free consultation. You’ve got nothing to lose.

Frequently Asked Questions

That really depends on the size of the house extension project. Realistically it could take anywhere between 12 to 26 weeks. We can advise how long it could take at the time of your consultation.

You shouldn’t have to move out of your home as we should be able to work around your normal daily lives. However, you should expect some disruption.

The spring, summer or autumn would be the best times to have a front or back of house extension built, when the weather is generally better, dryer and warmer.

Start Your House Extension Journey Today

If a home extension is what you need to give you more space in your property, we are ready to assist you and to manage your project for you. Simply get in contact with us today and book a free consultation.