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If your loft needs a makeover, look no further. Bark’s range of Loft Conversion Specialists means you can get free quotes quickly and easily.


How do I start a Loft Conversion?

Converting your loft needn’t be difficult. As one of the most favoured types of home improvement, loft conversions are an ideal way to create extra space inside of your home. But carrying out a loft conversion isn’t a straightforward process, so finding the right people for the job is vital. Thankfully, Bark makes it easy to connect to experts so you can start planning your loft conversion today.

The cost to convert

So how much are loft conversions?

Due to the effort required when converting a loft, the difference in price can be quite large and will vary depending on the options you go for. Before proceeding, you should set a budget and a timescale for your project.

Do I need planning permission for a Loft Conversion?

In the majority of cases, carrying out a loft conversion is fine, as it is recognised as a permitted development. The design of the conversion does need to fit specific parameters, however.

If you want to convert your loft past these parameters (or you have a home located in an area of conservation), you need to make sure to apply for planning permission. This also goes for any instance where you wish to change the height or shape of the roof.

What are the benefits of a Loft Conversion?

There are a few great benefits to converting your loft into a new room.

Out of these benefits, boosting the market value of your home is particularly favourable. In some cases, a loft conversion can add up to 25% to the original value of your home - which is something to consider if you plan on selling your home in the future.

Building an extension outwards can be a great way to create a recreational space such as a conservatory, but can also take up a lot of room. Converting your loft enables you to build upwards rather than outwards, while simultaneously insulating your home.

And of course, having an entirely new room is always a plus. This can become the basis for anything you imagine – maybe you’d like another bedroom, or how about a home gym?

What kind of Loft Conversion should I choose?

There are a variety of options to choose from when deciding on a loft conversion. Of course, the type of loft conversion you opt for will affect how much you can expect to pay and how much time it will take, too.

Hip to Gable

This type of loft conversion is recommended if you own an end of terrace, detached, or semi detached house. It is a type of conversion carried out on roofs that have three slanted sides. Aside from opening up the loft, Hip To Gable conversions allow for the staircase to join seamlessly in the process. They can also be fixed to a dormer loft at the rear side of the roof.


Mansard loft conversions take a little more work and effort than the other types of conversion mentioned above. In most cases, Mansard conversions require planning permission because of the complexity of the changes needed. However, all of the work put into a Mansard conversion, the results are the most aesthetically appealing - creating an abundance of space, light and headroom.


Shell conversions are most useful for those on a set budget, or homeowners that want to be involved in the construction process. Shell conversions are unique in that they enable you to add their own finishing touches to the design. It is a heavily structural work that enables great collaboration with the tradespeople involved.


The most popular type of loft conversion, dormer conversions are an extension of an existing roof. While they are straightforward, a dormer loft conversion is an efficient use of space and can quite easily become the biggest room in your house once finished. They are quite versatile and can be constructed on a variety of structures and in varying configurations.
J Sutton Building Services  profile image

J Sutton Building Services


‘19 Certificate of Excellence

J Sutton Building Services are a professional family run business with a wealth of experience operating within the building and construction industry throughout South London and Surrey. Whether you are looking for an extension, loft conversion, refurbishment or general building work we offer a bespoke tailor made service in line with client’s customised requirements from conception to completion ensuring your vision is achieved. Our ethos is to serve our customers to the highest level with quality workmanship, service and information always keeping our lines of communication open to deliver a seamless package with each project being managed to uphold our philosophy. J Sutton Building Services are continually being improved, ensuring all our electricians are fully compliant with NICEIC Regulations and our gas engineers are all GAS SAFE Registered. For more information visit our website www.jsuttonbuilding.co.uk

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How can someone tell if their loft is suitable for conversion?

It depends on the volume, a precise calculation would need to be carried out.

A comfortable height to have would be 2.3m upwards but that largely depends on the volume you need to achieve, which is 50m3 for a detached and semi-detached dwelling and 40m3 for anything else however, each property can widely vary.

This is all provided that a loft conversion is being done under permitted development however, for precise information and site surveys please contact us.

Run us through the different stages in the loft conversion process - what’s involved?

The different stages in the loft conversion process are, installation of steels on to pad stones or spreader plates along with your existing ridge timber being replaced with a steel/timber ridge.

Floor joists installed into new floor steels approximately 30mm above your existing first floor ceiling joist.

Vertical timbers installed on to your existing perimeter roof wall plates to start the process of creating the new dormer/hip to gable/mansard loft.

Depending on requirements roof rafters may need to be replaced along with new roof tiles and generally velux windows installed for natural lighting to the property.

To the rear of the property tiles will be installed vertically to whether the property, windows, doors, or juliette patio doors installed along with balconies.

Flat roofs receive traditional three layer felt or GRP systems.

Internally stud partitions are installed, plasterboarded along with all timbers then plaster skimmed to a finish. Towards the end of the project a stair case is broken through from the existing first floor level into your new loft conversation level. Carpentry, Electrical and Plumbing second fix works installed dependant on customer requirements.

What do you love most about your job?

J Sutton Building Services create a first class and prestigious building projects from conception to completion with a client based focus who listen, advise and guide to achieve complete customer satisfaction, value and 100% achievement for all involved.

What inspired you to start your own business?

J Sutton Building Services were formed in 1971 and have been a family business to date.

Why should our clients choose you?

J Sutton Building Services offer a complete turnkey service from the first point of contact comprising architectural services which include planning, building control and structural drawings along with structural calculations, in addition we have our own private building control offices to once again slip stream the entire construction journey.

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The average price of a Loft Conversion Specialist is £1,150

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The average rating for Bark Loft Conversion Specialists is 4.69, based on 17,515 reviews.

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