Adding space, light, and value to your home sounds exciting, but knowing where to start can feel overwhelming. You’re not alone.
That’s where Isteni Design & Build comes in.
One Team. One Process. Zero Stress.
Are you thinking about a loft conversion but unsure where to start? You are not alone. Many homeowners love the idea of adding space, light and value to their home, but the process can feel overwhelming.
That’s where we step in. At Isteni Design & Build, we handle everything from the initial survey and design to planning approvals, construction and final handover. You can sit back and relax while we deliver your dream space, on time and on budget.
We believe home improvements should feel exciting, not stressful. That is why we provide fixed pricing, dedicated project management and a clear timeline from day one. Our focus is on craftsmanship, communication and delivering high quality spaces that enhance modern living.
From first ideas to final handover, we take responsibility for the whole journey so you can relax while we deliver the space your home deserves.
We understand that a loft conversion is a big decision, both emotionally and financially. That’s why we have built our service around trust, clarity and guaranteed delivery.
We believe you should always pay a fair price. If you receive a like-for-like quote from another reputable company, we will **beat it**. You get the best value with no compromise on quality.
We promise to complete your loft conversion within **8 weeks** of starting work. With our experienced team and structured project plan, delays are minimised and timelines are respected.
Your loft should be beautiful as well as functional. Our complimentary interior design service means you get smart layouts, efficient space planning and stylish finishes, all included in your build package.
No juggling multiple trades or chasing updates. You will have a dedicated project manager who is your single point of contact from day one to handover.
We believe in clarity and honesty. Your fixed price quote includes everything, no surprise extras, no last-minute charges.
In 2024, Vik from IstenI Design and Build managed our loft conversion entirely. We encountered an unexpected issue with a ceiling beam, which could have caused delays. Vik immediately took charge, explained the options, and coordinated the work smoothly, ensuring the project stayed on schedule. His professionalism, problem-solving skills, and... dedication to quality made, the whole process seamless. I couldn’t recommend him more for managing a project with such care and expertise!
We had our loft converted last summer worked closely with Vik & Shally from Isteni. From our first meeting, they came across as very knowledgeable and patient from party wall to architect drawings. They explained all our options clearly and helped us make smart design decisions. The project was completed on time, and the craftsmanship is outstanding....
In particular, Shally has a great eye for design and helped us choose colours and finishes that made the space look calm and welcoming. Halfway through, we weren’t sure about the built-in wardrobe placement, and Shally immediately came to site, suggested alternatives, and made adjustments without fuss. It’s rare to find that kind of flexibility. Would absolutely recommend.
I couldn’t be happier with the work carried out by ISTENI. They replaced the roof on my building and also completed underground works, and the standard of workmanship was absolutely amazing. The attention to detail was spot on, and they were extremely thorough with cleaning up throughout and after the job....
Their timekeeping was excellent, and the whole project was very well managed. Management kept me fully updated at every stage, explaining what was being done, where they had reached, and regularly sending updates and photos, which I really appreciated.
Overall, the job was completed to a very high standard and ran smoothly from start to finish. I’m extremely happy with the work and wouldn’t hesitate for a second to recommend ISTENI to friends and family. Thank you for a fantastic job.
Isteni Design & Build delivered a fantastic loft conversion for us last year. Vik, the director, was involved from day one and kept everything clear and straightforward. The team completed the work within the agreed timeline with no hidden costs. We had an issue with low head... height, but Vik came up with a smart structural solution that worked perfectly. Communication was excellent throughout. Highly recommend them for anyone considering a loft conversion.
Working with Isteni Design & Build has been a genuinely positive experience. Payments were always on time and exactly as agreed, which is rare and very much appreciated. The team are professional, approachable, and flexible when site conditions or programmes change....
Due to the complexity of the site and access, there were a couple of technical challenges, but these were communicated professionally and resolved quickly with practical solutions. Thomas, the Site Manager, was very hot on health & safety, making sure everything is done properly and to a high standard.
Sites are well organised, communication is clear, and everything runs smoothly, which makes the job straightforward and stress-free.
We hired Isteni Design and Build for a loft conversion and kitchen renovation, and they did an outstanding job. The loft feels spacious and beautifully finished, and the new kitchen is both stylish and practical. Their team was professional, reliable, and great at communicating throughout the project. Highly recommended!
Great service! Shally’s work has been excellent from start to finish. Some miscommunication was dealt with quickly and efficiently. Highly recommend.
Great job by Isteni Design and Build the team was very professional and helpful from the survey to the end of the job they did the work really well and even came back after finishing to check if everything was okay... they stayed in touch and made sure there were no problems very happy with the service and would definitely recommend them.
We break the process down into clear, manageable steps so you know exactly what to expect.
We start with a visit to your home at a time that suits you. Our survey is thorough and our advice is honest. During this meeting we will: * Check the suitability of your loft space * Discuss your ideas and requirements * Explore different conversion options * Provide initial guidance on budget and feasibility This is a no pressure, no obligation consultation designed to give you clarity.
Once we understand your goals, our design team gets to work. We will: * Create interior layouts that maximise space and light * Optimise storage, bedroom spaces and bathrooms if needed * Prepare detailed drawings and structural calculations * Submit planning and building control applications We handle all the technical work so you don’t have to. Our team ensures compliance and practical design that works for you and your home.
With plans in place, we provide a transparent fixed price quote along with a detailed schedule. Nothing is left open-ended. At this stage: * You receive clear pricing with no hidden items * We beat any like-for-like quote you have received * Your start date is confirmed * Your 8-week completion timeline is agreed You now have a solid plan, price and timeline giving you peace of mind.
This is where your loft starts to take shape. Our experienced in-house team will: * Manage all onsite work from start to finish * Carry out structural, roofing, electrical and plumbing work * Provide regular updates and clear communication * Maintain a clean and safe working environment Your project manager is on hand every step of the way to keep you informed and stress-free.
As we near completion, we focus on the details that make your loft feel like home. We will: * Carry out high quality plastering and joinery * Install flooring, lighting and fixtures * Arrange building control sign-off * Provide you with your insurance-backed guarantee At handover, you receive a beautifully finished space that’s ready to enjoy, and built to last.
We break the process down into clear, manageable steps so you know exactly what to expect.
We start with a visit to your home at a time that suits you. Our survey is thorough and our advice is honest.
During this meeting we will:
* Check the suitability of your loft space
* Discuss your ideas and requirements
* Explore different conversion options
* Provide initial guidance on budget and feasibility
This is a no pressure, no obligation consultation designed to give you clarity.
Once we understand your goals, our design team gets to work.
We will:
* Create interior layouts that maximise space and light
* Optimise storage, bedroom spaces and bathrooms if needed
* Prepare detailed drawings and structural calculations
* Submit planning and building control applications
We handle all the technical work so you don’t have to. Our team ensures compliance and practical design that works for you and your home.
With plans in place, we provide a transparent fixed price quote along with a detailed schedule. Nothing is left open-ended.
At this stage:
* You receive clear pricing with no hidden items
* We beat any like-for-like quote you have received
* Your start date is confirmed
* Your 8-week completion timeline is agreed
You now have a solid plan, price and timeline giving you peace of mind.
This is where your loft starts to take shape.
Our experienced in-house team will:
* Manage all onsite work from start to finish
* Carry out structural, roofing, electrical and plumbing work
* Provide regular updates and clear communication
* Maintain a clean and safe working environment
Your project manager is on hand every step of the way to keep you informed and stress-free.
As we near completion, we focus on the details that make your loft feel like home.
We will:
* Carry out high quality plastering and joinery
* Install flooring, lighting and fixtures
* Arrange building control sign-off
* Provide you with your insurance-backed guarantee
At handover, you receive a beautifully finished space that’s ready to enjoy, and built to last.
Contact us today to begin your loft conversion journey. Your vision, our commitment.
Contact us today to begin your loft conversion journey. Your vision, our commitment.
Interested in becoming a tenant in one of our HMO properties? Please submit the form below and we will add you to our tenant waiting list.