HOUSE
DESIGN & RENOVATION
IN LONDON

Loft Conversion: Dormer

There’s good reason why this type of home improvement is the most popular way to expand into your attic. Increase the headroom, usable floorspace, light and liveability at the apex of your house with this flat-roof, straight-wall extension.

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Dormer loft conversion cost

  • Starts from £35,000

Naturally, the end cost of a dormer loft conversion is based on size, shape and finish, plus the current roof structure/pitch. If you choose an L-shaped version, the cost is around £15K more.

There are many aspects that make up the final cost to take into consideration. The structural work includes:

  • Construction of the “box”
  • Windows
  • Floor reinforcement
  • Staircase
  • Insulation
  • Additional skylights
  • Heat source
  • Electrical work
  • Plumbing pipework
  • Lighting
  • Built-in eaves cupboards
  • Safety measures

The decorative, cosmetic finish plus fixtures and fittings include:

  • Flooring: carpets/tiles/vinyl
  • Walls: painted/papered
  • Lights: shades
  • Bathroom: basin/tub/shower
  • Freestanding accessories: storage/furniture
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Dormer loft conversion options

  • Want to expand to the side, rear, or both?
  • How will you use the space?

Many homeowners extend on the back of their property. To maximise space you can go further to create an L-shaped style too.

It takes on average six to eight weeks to complete building, then add on the finishing touches.

Dormer roof conversion planning permission

Significant home improvement work is much easier when it falls under Permitted Development. This project can do so, as long as it complies with certain requirements, such as:

  • Height not exceeding original roof
  • Square footage below a certain amount (semis/detacheds’ total is larger than terraces)
  • Neighbours unaffected (no overshadowing/overlooking)
  • No balconies (except Juliet style)
  • Materials match character of property

Even when all of these guidelines are met, you still need a Lawful Development Certificate.

Planning permission is necessary for those living in a designated conservation area and/or a listed building.

You also need to be sure the work adheres to Building Regulations. These include:

  • Fire safety measures
  • Sound proofing
  • Insulation
  • Design of stars
  • Requisite headroom

Your building company will advise you on all of the legal requirements.

How Fittra can help

Our team has 10 years experience helping London homeowners achieve the dormer loft conversion of their dreams. We provide:

  • Complimentary consultations
  • Bespoke design
  • Project management
  • Straightforward payment schedule
  • 5% deposit
  • Trade discount benefits
  • Legal advice
  • Planning permission applications
  • Liability insurance: £10M employer’s, £5M public/products
  • NHBC-registered
  • Accreditations: FMB, NFB, Considerate Constructors, TrustMark

We look forward to hearing from you.

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Interested in new builds?
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WHY WORK WITH US
pay only for work that has been done!
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FREE CONSULTATION
at all stages
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24/7 COMMUNICATION
with project manager
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£10M EMPLOYER’S
liability insurance
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FREE SCHEDULE
of works
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Benefits from our trade discounts
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£5M public & products liability
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5% only deposit payments
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Detailed cost breakdown
Integrated, in-house team will work on your project
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Benefits from our trade discounts
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£5M public & products liability
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5% only deposit payments
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Detailed cost breakdown

In the end you will get

A high-end product delivered on time and on budget!

TESTIMONIALS
SEE WHAT PEOPLE ARE SAYING
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Maidenhead

The work that Fittra did for me was a full house renovation – this did not include any new build or extension work but it did include moving a number of internal load bearing walls and extending external openings to install large sliding doors. The work was reasonably complex structurally as the upper floor is steel beam and concrete block construction. Externally all windows and doors were changed, guttering and fascias were changed and a new tiled deck constructed to give an outside/inside feel. Internally, walls were moved, new door openings created or widened to give a modern open plan look and feel.Read More

Ealing

“Fittra completed a rear extension, loft conversion and full refurbishment of our house in Ealing late last year. This included new bathrooms, heating system (including underfloor heating), electrics and plumbing. When obtaining quotes, Fittra’s prices were in the middle of the three companies who came back to us with costs, but the fact that it was fully itemised (unlike the other costs we received) gave us piece of mind that we knew exactly what we were getting for our money. “Read More

Wandsworth

“Can’t speak highly enough of Fittra and the job they did. They completed a rear extension, side return and loft extension and pretty much a full refurbishment of our house and garden in SW London. They not only did an incredible job, but they were also great to work with too. Vadym and Ivan’s team were incredibly efficient and hardworking and really amenable and collaborative. I have recommended them to a few friends subsequently, and will continue to do so.”

Hanwell, New build

Team at Fittra possesses all the attributes necessary to be an excellent contractor: they know their market extremely well; they are diligent, responsive, and yet very understanding with their clients. They are very professional and offer cost saving alternatives when possible. The thing that has impressed me the most is the professionalism, knowledge and helpfulness of all the workers.

Read More

Isleworth

“We did our house fully renovation last year July 2019 – December 2019 with Fittra. We are very pleased with the results – our new kitchen (rear extension with lantern roof light), loft conversion, hardwood flooring, underfloor heating, tiling and etc.. Ivan and his team are truly professional. They finished the job with timely manner and customer satisfaction. Their breakdown quotes are easy to understand and easy to work with. We are highly recommended for Ivan, Igor and the team. Great job!!!”

OUR PROJECTS
Maidenhead
Maidenhead

This refurbishment project was absolutely thrilling to accomplish, with a solid team of interior designers and a delightful, intelligible client. Although the 1980s house was structurally complex, with heavy concrete planks in the original structure, as opposed to traditional wood, our team managed to support the existing structures and integrate new features to modernise the […]

Richmond renovation
Richmond renovation

This classic 1960s house in the London Borough of Richmond-upon-Thames required modernisation through a complete renovation.We worked closely with the client to create a new contemporary space that gave the residents more space and improved facilities while seamlessly blended in with the local area.

Ealing
Ealing

This project focused on renovating the terraced house by adding a rear extension and converting the loft. Two large skylights were installed to brighten up the living area and a new bedroom with en-suite shower created on the top floor. The extension added space to the side and rear of the property; this allowed for […]

Wandsworth
Wandsworth

The client chose us for this Wandsworth property to complete a house renovation, an L-shape dormer loft conversion as well as a wraparound ground floor extension. Open plan kitchen was created to maximise the living space and modern design gave it a gorgeous look. Our team added new sky lights over the kitchen island to […]

Wandsworth House
Wandsworth House

We provided design, engineering, construction and project management on this exciting renovation in the London Borough of Wandsworth. The project consisted of a two-storey extension, a brand new, bespoke open plan kitchen; new windows throughout, a new bathroom, stairway, complete plumbing and electrical, and enhanced lighting throughout and a rear-facing bay window.

Hanwell, New build
Hanwell, New build

We completed this substantial and ambitious new build in march 2019. With a large rear garden and extensive parking, the home makes perfect use of its natural space. A bespoke kitchen, with direct access to the garden, is one of the home’s standout features, as are the luxury bathrooms. The first floor features three spacious […]

East Sheen
East Sheen

This project includes a spectacular kitchen installation with a new dining and living area, which is as modern as it is welcoming in its design. We paid close attention to the layout to achieve a spacious, crisp and immaculate area. During the heat of lockdown, the client expressed concerns over staying safe from COVID-19, so […]

Isleworth
Isleworth

The client decided on full renovation of this detached bungalow. Our team built a rear extension with lantern roof light and converted the attic into the living space. They also added 2 new bathrooms to the property, installed underfloor heating throughout the house, changed the entire plumbing and rewired all electric systems. During the final […]

Acton
Acton

We recently completed the full refurbishment of this stunning home in Acton, West London. The extensive project included a brand new open plan kitchen with natural light coming from a huge bespokely designed skylight.   The project also included a new loft dormer, a completely new roof, two bathrooms, brand new electrics and a state-of-the-art […]

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