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House extensions
Add the kitchen, living space or bedrooms your home needs, with the building, roofing and internal work coordinated from start to finish.
House extension servicesBuilding contractor near Dundalk
Your local building contractor for extensions and renovations.
House extensions, home renovations, glazed atriums, window installation and bespoke joinery—delivered across Louth and the border region with more than 30 years of hands-on experience.
- One team from structure to finish
- Serving both sides of the border
- Craftsmanship-led approach
- Residential projects of all styles
30+years of
experience
experience
Family-runPersonal service from an experienced local team
Complete coordinationBuilding and finishing trades managed together
Craft-ledCareful construction, joinery and final detailing
Regional coverageLouth, Monaghan, Armagh and South Down
What we do
Explore all services Residential building services, coordinated from start to finish.
From creating new space to refining the final details, JMK brings the core trades together around one clear project.
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Home renovations
Reconfigure and improve existing rooms with practical building work, kitchen fitting, carpentry and high-quality finishes.
Renovation services
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Atriums & window fitting
Bring natural light into the heart of your property with glazed roof structures, new windows and carefully completed installation work.
Atrium and window services
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Bespoke joinery
Made-to-measure units, wall panelling, feature walls, wardrobes and the structural or finishing joinery required throughout the home.
Bespoke joinery servicesOne team, complete project
Less coordination for you. More control over the finish.
Major home projects become difficult when each stage is managed in isolation. JMK’s value is the ability to bring construction and finishing work together under one experienced team.
Meet JMK Developments01
Clear project conversation
Start with the space you want to create, the practical problem to solve and the stage your plans have reached.
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Coordinated trades
Building, carpentry, roofing, plumbing and electrical elements can be brought together around the wider job.
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Detailed finishing
Joinery and fitting capability helps carry the standard of work through to the details you see and use every day.
Recent work
See the full project gallery Real spaces, carefully transformed.
Extension & fit-out
Open-plan kitchen and living transformation
Glazed light, integrated kitchen and connected family space.
How it works
A straightforward route from enquiry to finished space.
Tell us about the project
Share the property location, type of work, approximate timing and any plans or photographs you already have.
Discuss the scope
JMK reviews the requirements and determines whether the project is suitable for an initial conversation or site visit.
Agree the work
The expected scope, responsibilities and key construction stages are clarified before work begins.
Build and finish
The necessary trades are coordinated through the construction, fitting and final detailing stages.
Local coverage
Based in Louth. Working across the border region.
JMK Developments is a local building contractor based at Barronstown, Hackballscross near Dundalk, serving homeowners across Louth, Monaghan, Armagh and South Down.
DundalkCounty LouthCounty MonaghanCounty ArmaghSouth Down
DundalkLouthMonaghanArmaghSouth Down
Frequently asked questions
Planning your next home project?
JMK Developments is based near Dundalk and serves customers across County Louth, County Monaghan, County Armagh and South Down. Project suitability may depend on the size and location of the work.
The core services presented here are house extensions, home renovations, glazed atriums, window fitting and bespoke joinery. JMK can also coordinate supporting building, carpentry, plumbing, electrical and roofing work as part of a wider project.
Yes. The current business information states that JMK can coordinate the building, carpentry, electrical, plumbing and roofing elements required to complete a project from start to finish.
Use the project enquiry form to share your location, project type, approximate timeline and a short description. JMK can then contact you to discuss the next steps and whether a site visit is required.
Start a conversation
Request a building quote Make more of the home you already have.
Tell JMK what you are considering and where the property is located. The initial enquiry only takes a few minutes.