Derbyshire
Ilkeston is our home town, and we design and build loft conversions for all kinds of houses here, from the brick terraces built as the town grew on coal, iron, hosiery and lace to the post-war semis of estates such as Kirk Hallam. For many families, a loft conversion is a way to gain a bedroom, office or en suite without leaving the area, and we handle the whole job, from the first design to building control sign-off.
Local loft conversion specialists
Planning in Ilkeston is decided by Erewash Borough Council. The Ilkeston Conservation Area covers the town centre: the hilltop Market Place, Bath Street, South Street and Wharncliffe Road. Inside that boundary, a dormer or hip to gable needs full planning permission, and the council's appraisal notes Welsh slate roofs and red brick chimneys there, with dormers not a common local feature, so the design needs care. Most of the town sits outside the conservation area, where many houses can use permitted development within its size limits.
Homes here run from Victorian and Edwardian terraces to the estates of the 1950s to 1970s and newer houses, so we look at every roof individually. We produce the drawings, arrange the structural calculations and deal with building control. Ilkeston is our home town and our base is here, so we're never far away.
How a loft conversion worksOur services
Every type of loft conversion, designed and built by one team, with structural calculations and building control handled for you.
A box extension built out from the roof slope
Built out from the slope of your roof, a dormer adds valuable headroom and floor space so the loft works as a proper room. We handle building regulations, structural engineering and every finishing touch.
A full-width box across the rear roof slope
A flat roof and vertical walls off the rear slope give maximum internal volume and a traditional room shape. Popular on terraced and semi-detached homes, with private building control, structural calculations and approvals all covered.
A steep 72° rear wall with a flat roof above
One of the most transformative options. The rear roof is rebuilt as a near-vertical wall, typically at 72 degrees, with a flat roof on top, creating room for several bedrooms or a large master suite.
The sloping hip rebuilt as a vertical gable wall
Made for semi-detached, end-of-terrace and some detached homes with a sloping “hipped” roof. We build the sloping side up into a vertical gable end, significantly increasing headroom and usable floor space.
Two linked dormers forming an L in plan view
Two dormers joined together, one on the main roof and one over the rear extension, forming an “L” from above. Ideal for Victorian and Edwardian terraces, using every inch of roof space.
A small gabled roof over each dormer window
A dormer with its own gabled roof that mirrors the main roof, keeping the character of period and traditional homes while bringing in extra space and plenty of natural light.
Roof windows set flush into the existing slope
Roof windows fitted flush with the existing roofline fill the loft with daylight without major structural changes. They typically fall under permitted development, so they are quicker and easier to install.
Structure and weatherproofing done, fit-out left to you
We build the weatherproof, structurally sound shell: steelwork, floor, roof alterations, dormer if required, windows, staircase and external roofing. You finish the interior at your own pace and budget.
Why Top Mark
Two decades of designing and building loft conversions across Nottinghamshire and Derbyshire.
We listen to your ideas, suggest improvements and plan the space around the way you live.
Private building control, structural engineer’s calculations and building regulations are all part of the service.
Detailed quotes that include building control fees, and clear communication as the work goes on.
Our process
The same proven sequence on every project, from the first steel going in to the final sign-off, with you involved at the moments that matter.
Work starts on day one with steel fabrication and the new structure, creating a strong framework to safely support your new living space.
With the structure finished, we fit your new staircase so the loft is safe and easy to reach from the floor below.
Once the stairs are in, you come up and see the space for yourself. Planning rooms and windows while standing in the loft is far easier than working from a drawing.
First-fix electrics and plumbing go in, and you can talk through ideas for your bathroom and main room with our electricians and plumbers.
We insulate, plasterboard and build internal walls while our roofers and bricklayers work outside, keeping the time on site to a minimum.
Plasterers, second-fix joiners, electricians and plumbers complete every detail on site, leaving you with a transformed home you’ll love for years to come.
Our work
A selection of our loft conversions across Nottinghamshire and Derbyshire.
Reviews
From 31 reviews on Google. Here’s what a few of our customers had to say.
5 out of 5 stars
Highly recommend Top Mark Conversions Ltd They listened carefully to our ideas offered valuable suggestions and delivered exactly what we wanted The quality of the craftsmanship was impressive and our new living space has added both comfort and value to our home
5 out of 5 stars
We recently had a loft conversion completed by the team at Top Mark Conversions Ltd and couldn’t be happier with the results. From start to finish, they were incredibly helpful, professional, and clearly very experienced. Nothing was ever too much trouble for them – they were always happy to answer questions, offer advice, and make sure everything was exactly how we wanted it. The quality of workmanship is excellent, and the whole process felt smooth and well managed. I’d highly recommend TopMarkConversions to anyone considering a loft conversion. A great team delivering a fantastic end result!
5 out of 5 stars
Mark and his team were fantastic throughout our project. From the initial meeting with Mark to discuss and price for the job he kept us informed at every step. The whole team were professional and nothing was too much trouble. With the access to various trades at his disposal, any requirements we had were able to be met. Would thoroughly recommend.
5 out of 5 stars
Highly professional work from Mark and his team. All trades,material delivery,waste disposal and any loose ends were taken care of by Mark promptly Great communication, always on the other end of the phone to answer any questions Highly recommended
5 out of 5 stars
Mark and his team was truly amazing! The whole team was friendly , polite and helpful. Nothing was an issue for them. Helped us to design and achieve the most out of our loft. The space they have created is unbelievable. Highly recommend them! Trustful and professional service. They look after every single step of the work. We didn’t have to deal with anything. Hard to find such genuine contractors like them! 👌
5 out of 5 stars
Outstanding craftsmanship from Mark and his team, from day 1 Mark kept us informed and updated on the progress. We are so grateful for following Marks advice and years of experience, because we now have a loft space that suppresses all of our expectations and more. I can't thank you all enough. Highly, highly recommend. Thank you so much
5 out of 5 stars
Top Mark Conversions Ltd transformed our unused loft into a bright spacious and beautifully finished room. From the initial consultation to the final handover the team was professional organised and easy to work with The workmanship was exceptional and the project was completed to a very high standard
5 out of 5 stars
Mark and his team were brilliant from start to finish. They completed the shell loft conversion efficiently while keeping the quality of work to a very high standard. They explained every step clearly, gave helpful advice and recommendations, and dealt with any issues that came up without any hassle. We’ve been left with a fantastic loft conversion and me and my wife couldn’t be happier with the result. Thanks again!
5 out of 5 stars
Mark and his team were incredible. It was unbelievable how quickly our cold dusty loft was transformed into a light and spacious luxury en-suite bedroom. Mark was always available to talk me through each stage of the conversion and help me make decisions when I had no idea what I wanted. I now have a beautiful bedroom and feel like I’m on holiday in my own house. Would highly recommend
5 out of 5 stars
What can I say! Nothing but high praises for Mark and his team! We moved out and handed over the keys and came back to our vision becoming a reality! Mark and his team were 100% professional from pre-contract to completion. Not once did I feel that any question, call, concern or request was unanswered or ignored! An absolutely talented team and brilliant company who I’ve recommended and would continue to recommend over and over again! Thanks again Mark and your team! You really did deliver a Top Mark Conversion!
5 out of 5 stars
Very pleased to have found Mark and the team to do our loft conversion. From the moment of receiving the quote to the end we have always received the best service - the level of professionalism and expertise is second to none - nothing was too much trouble! We have managed to add on two extra bedrooms and a bathroom - just what our family needed - so pleased with the end result. Highly recommend!
5 out of 5 stars
Mark and the team were brilliant! They completed my loft conversion, creating a third bedroom in my terraced house, to an excellent standard. From the start of the project they kept me upto date and nothing was too much trouble. Really lovely guys and I couldn’t recommend them highly enough. Thanks!
FAQs
Can’t see your question? Our team is always happy to talk it through.
Ask us a questionOften not, as many Ilkeston homes can use permitted development within its limits on size and position. Erewash Borough Council handles planning here. If your home is inside the Ilkeston Conservation Area, which covers the town centre around the Market Place and Bath Street, a dormer or hip to gable needs full planning permission. Building regulations approval is always required.
Victorian and Edwardian terraces often suit a rear dormer, or an L-shaped dormer where there's a rear outrigger. Post-war semis with hipped roofs usually suit a hip to gable conversion. Bungalows, and roofs that already have good headroom, can sometimes work with Velux windows alone. We'll assess your roof and explain the options.
Yes. Ilkeston is our home town and where our base is, so it's at the heart of the area we cover. We also work across the surrounding towns and villages in Derbyshire and Nottinghamshire, including West Hallam, Derby and Nottingham. Get in touch to arrange a visit and a free quote.
Most take between 6 and 12 weeks, depending on the size, complexity and type of conversion. Larger projects such as mansard or hip to gable conversions can take longer because of the extra structural work.
We keep disruption to a minimum. Most of the work is contained within the loft, and we keep the site clean and safe. In most cases you can carry on living at home during the build.
Yes. Get in touch by phone, WhatsApp or the enquiry form and we’ll arrange a free quotation for your project.
Coverage
We’re based in Ilkeston and convert lofts across Nottinghamshire and Derbyshire. These are some of the nearest places we cover.
Free quote
Tell us a little about your home and what you have in mind. One of our project managers will get back to you to talk it through and arrange your free quotation.
Top Mark Conversions
Open 7 days, 9am to 5pm
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Call 07925 891 170