New House Build Dublin

A new house build in Dublin is a sequence of connected stages, not simply walls and a roof. Depending on the project, new home construction can involve site assessment, design and planning coordination, groundworks, foundations, the structure, roof and external envelope, windows and doors, insulation, airtightness, ventilation, plumbing, electrics, heating, interior fit-out, external works, testing, snagging and handover.

Decisions made during design and the early construction stages shape everything that follows. Foundation and drainage choices affect the structure; service routes affect the finishes; insulation and airtightness details affect how comfortable and efficient the finished home is.

That's why experienced house builders in Dublin plan the whole sequence before work starts. If you're improving a home you already live in rather than building new, see our complete house renovation or home extension in Dublin services instead.

Owning a plot is the starting point, not the go-ahead to build. Before construction begins, the site, design, approvals, responsibilities and programme should be established so the build can proceed in a planned way. Not every site needs the same investigations, but these are the areas to work through:

Every site shapes the house that can be built on it and how it can be built. Size, levels, access and the surrounding properties all affect design, logistics and construction. Some matters, such as ground conditions or drainage, need input from architects, engineers, surveyors or other relevant professionals.

A new dwelling will generally involve the planning system, and the exact requirements depend on the site and the proposal. Planning considers how the house relates to its surroundings: the site context, design, scale, height, orientation, access, parking, neighbouring properties, local planning policy, services and landscape.

Planning permission and Building Regulations / Building Control are separate processes. Planning deals with whether the development is acceptable; Building Regulations deal with how the building is constructed.

RSM can work alongside your design and planning team and construct from the approved project documentation. Planning decisions rest with the planning authority, and no outcome can be guaranteed. For wider context, read our planning permission guide.

Building Control is the system that oversees compliance with the Building Regulations, and it is separate from planning permission. Before work starts, a Commencement Notice is generally submitted to the building control authority, typically through the Building Control Management System (BCMS).

Depending on the project and applicable Building Control requirements, this stage can involve identifying the project participants, providing construction documentation and setting out who is responsible for design, construction and compliance. The specific route should be confirmed by the appropriate professionals for each project.

Foundations transfer the weight of the house into the ground, so they must be based on the structural design and the actual site conditions. No foundation type is best for every site; the appropriate solution is established from project-specific design and site information.

The substructure also brings together the ground floor construction, damp and moisture protection, drainage and the points where services enter the building, all of which need to be coordinated before the floor is completed.

Once the foundations are complete, the main structure takes the house up to its full form. This can include external walls, internal structural elements, upper floors, structural steel where designed, openings, stairs and the roof structure.

The construction system depends on the approved design. Masonry, timber-frame and other approved systems each have their own sequencing and detailing requirements; none is right for every house.

New dwellings in Ireland are subject to Building Regulations relating to energy performance. An energy-efficient new build comes from fabric performance, insulation, airtightness, attention to thermal bridging, efficient heating and controls, planned ventilation and renewable energy contribution where applicable.

Every new home receives a BER assessment, and its final performance depends on the design, specification, systems and that assessment. No specific rating should be assumed in advance. Read about energy performance and the Building Regulations.

Good insulation on its own doesn't guarantee a well-performing house. If air leaks through gaps at junctions, around windows and doors, or where pipes and cables pass through the airtight layer, heat is lost and comfort suffers.

Insulation continuity, airtightness and thermal bridging are decided at the details. They depend on coordination between trades and careful construction quality, especially at service penetrations that are easy to overlook once the walls are closed.

Once the house is weather-tight and the services are in, the project moves to the finished interior. That can include plastering, internal doors, stairs, joinery, flooring, tiling, painting, decorating, lighting and final fixtures.

Where it's part of the agreed service, RSM coordinates both the construction and the final fit-out, including the kitchen fit-out, a complete bathroom fit-out and walk-in showers.

"Turnkey" should be defined by the actual contract and scope, not used as a vague label. For a fully managed turnkey house build in Dublin, the scope can potentially cover site works, structure, services, interior fit-out, the kitchen, bathrooms, finishes, snagging and handover.

There is no universal timeline for building a house. It helps to separate the pre-construction period (design, planning, detailed drawings, procurement and Building Control steps) from the on-site construction period, which begins once work starts on site.

Changes can sometimes be made, but the impact depends heavily on when the change is requested. Early changes are usually easier. Structural changes need appropriate design review. Late changes can affect completed work, service changes after first fix can create rework, and material changes can affect procurement.

Whatever the change, it should be documented and agreed properly before the work proceeds.