About ARJ Building

House extensions and renovations from ARJ Building in Edinburgh.


We can help you with your ambitious plans, you can decide if you want standard or bespoke finish. Visit one …


Whether you are planning a house extension, or kitchen extension we can help. Visit one of our projects to find …


Bespoke constructions that requires collaboration across multiple disciplines. Visit one of our projects to find out more.

Our latest Projects

We are an Edinburgh based building company offering house extensions and general building services. The company specialise in domestic house extensions, home conversions, home refurbishments and commercial contracts. The company have been an established builder in the Edinburgh area for over 20 years. When ARJ build house extensions we take all the stress from the customer as in house staff complete all jobs from start to finish including the building design , architectural planning , structural engineering and obtaining local authority building warrants and arranging planning applications for home extensions.

UPVC Windows

If you require new UPVC windows we can help. Visit one of our projects to find out more.

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Chimney Stonemason

If you are looking for someone to fix your chimney we can help. Click here to find out more.

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Musselburgh House Renovation

We specialise in house renovations. Click here to find out more.

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Roofing Edinburgh

We have large experience in roof construction and repairs. Click here to find out more.

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House Extensions Edinburgh (Morningside)

If you are looking to build a house extension, we can help you. Click here to find out more.

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Trinity Loft Conversion

We specialise in Loft Conversions. Click here to find out more about our Trinity Loft Conversion project.

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What We Do?

Customers looking to extend their home with a loft conversion or with a house extension or general building requirement will be visited in person by the owner of the company, on agreement to proceed with work and full project planning being agreed, building work will only begin when the customer is fully aware of all stages of the project. Our Edinburgh house extensions team are efficient, reliable, and trustworthy and treat all customers’ homes with the greatest of respect from home extensions to new home builds. All contactable references confirm the company are among the few highly recommended house extensions specialists and general builders Edinburgh has to offer.


Having trouble choosing house extension builders, Edinburgh area? You’ve finally decided to go ahead with the house extension. You’ve been …


Do you need a kitchen extension in Edinburgh? We design and build house extensions to create your ideal kitchen. Whether …


Conversion of a garage in Edinburgh area is a popular and relatively low cost method of increasing the floor area …


We offer you a loft conversions Edinburgh service you can really trust. We will assist you with all aspects from …

What Our Client’s Say?

Your feedback is important to us!

I choose ARJ Building Services after considering three quotations for work to my kitchen. From the outset, I was impressed by their willingness to listen to my vision of how the kitchen would work for me and we had several detailed and helpful conversations at the planning stage, which ment that nothing was left to chance. I am delighted with the end result and when I returned to the flat (having been living elswhere during the job) found that ARJ had employed cleaners to ensure that I did not have to return to dust and a lengthy clean up! Odds and ends that needed adjusting were also followed up, and I would use the company again. I can certainly recommend ARJ Building.


We’re writing to thank you and ARJ for the work that you’ve recently carried out at our home. We are very pleased with how the building work progressed and the attention you personally gave to the job. It’s notable that we approached ARJ after we received a speculative letter following submission of our planning application. We had contacted other builders and who came with recommendations, but were swayed by the time you gave to visiting us on several occasions to answer our questions to our allay our concerns. It’s also worth noting that ARJ quotation was competitively priced. In summary, we’d do it all again to achieve the same results, particularly as the work was carried out within budget and completed ahead of schedule.

David and Sian

We have recently used ARJ for an extension and loft conversion. Overall we were pleased with the work carried out by ARJ, which was within budget and the timescale initially agreed, and would be happy to recommend them for similar projects – we would certainly look to use them again if we were going to carry out any renovations in the future.


We engaged the services of ARJ contractors to remove an initial wall between the kitchen and existing dining room of our Victorian house. The team were always polite, respeced our own home and went to immense lenghts to keep the mess and distruption to a minimum. The job itself was done effeciently, on budget and ahead of time. I would have no hesitation in recommending ARJ for any building work from the smallest to the largest.



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