Isa Building Ltd · Company 09504208 · Trading heritage since 1999
Active, accounts up to date·main contractor & subcontractor·Head office Aylesbury
With over 25 years of dedicated experience, ISA Building specialises in turning dreams into reality through quality craftsmanship and exceptional service. They pride themselves on a reputation for delivering outstanding results that stand the test of time, making the construction and renovation process as stress-free as possible for their clients. Their team works closely with clients to understand their vision, offering expert guidance and tailored solutions.
ISA Building has a history of operating in Romania and Italy for over a decade before relocating to the United Kingdom nine years ago. They have served as the primary contractor for various projects, including new homes, cladding, and renovations. They stay abreast of new products and emerging technologies in the construction sector, with certified installers for various flat roof systems and FENSA-certified window installations.
Their vision is to be a top construction firm, admired for quality and detail, recognised for innovation and collaboration, and committed to growing their team and maintaining enduring relationships with clients and the supply chain. They aim to provide high-quality services on time and within budget, understanding client needs and giving back to the communities they operate in.
Two 4-bedroom detached houses were built, with one for personal use. The project was completed in under 11 months despite challenging conditions including a pandemic, material shortages, and driver shortages.
Client · Bill Sawyer
Renovation of the main floor, including a kitchen rebuild that involved knocking down a wall to enlarge it and reallocating the cloakroom. Wet underfloor heating was also installed.
Client · Marius Tomozeiu
A loft conversion project undertaken after a positive experience with a previous house extension. The work was efficient, of high quality, and responsive to client changes, with suggestions made by the team. Timings and costs were adhered to, and the site was cleaned daily.
Client · Bryan Wickware
A house extension project completed two years prior to a subsequent loft conversion, for which the clients were very happy with the work.
Client · Bryan Wickware
This profile was compiled from public records. Claim it to add the things buyers ask for:
ISA Building offers over 25 years of experience in construction and renovation, dedicated to quality craftsmanship and client satisfaction. They make the process stress-free, from start to finish, with a two-year warranty. Their listed services include Main contractor, House builder, Refurbishment, Roofing and Cladding.
Isa Building Ltd is registered at 33 Lee Road, Aylesbury, HP21 8JF, in South East.
Isa Building Ltd states that it works across Nationwide.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Isa Building Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount in its filed accounts, turnover is likely to fall between £140k and £380k. This is an estimate, not a filed figure.
Companies House lists Isa Building Ltd as active, with accounts most recently made up to 2025-03-31.
Isa Building Ltd displays Checkatrade, Icopal, Protan, FENSA and Velux on its website.
Isa Building Ltd works in Residential and Commercial.
Isa Building Ltd was incorporated on 2015-03-23, though the company says it has traded since 1999.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.