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Loft Conversions in Horsham

Don't move out, move UP

We're a trusted and reliable loft conversion specialist improving homes in Horsham.

Dedicated & professional service team

Quite a few of our customers come to us having spent many years and a significant amount of money creating their dream home, only to find themselves suddenly outgrowing it.  Converting a loft can be a great way to add value to a property but also transform it so that it can meet the needs of a growing family.


Our friendly and dedicated team can help guide you to the right loft conversion one that will meet your needs and help you through the process.  Having undertaken many loft conversions in Horsham over the years we understand the Horsham District Council planning requirements and can navigate you through the process.

Horsham District Council Logo

Lets get started and add much-needed space and increase value to your property

Home Office

Perfect way to work in comfort with peace and quiet.

Man Cave

The Den, last bastion of sanctitude 

Music Studio 

Practice in your very own studio

Home Gym

Train at your leisure at a time that suits you

Kids games room

A space for the Kids to game and keep the toys.

A bedroom/bathroom

Add an extra bedroom with en-suite shower or bathroom

Types of Loft Conversions

If you’re looking for a straightforward, efficient and cost-effective solution, you may settle upon our highly popular Dormer loft conversion, or fully utilise the potential of your sloping roof using our Hip-to-Gable option.

For owners of larger properties, a more specialised solution may be appropriate: the L-shaped loft conversion opens up floor space across a main building and a rear extension, meanwhile, a Mansard conversion optimises both space and light, transforming your attic into a whole new storey for your property.

dormer conversion

Dormer Conversion

two windows double dormer conversion

Two Window Dormer

skylight velux conversion

Skylight Conversion

L  shaped dormer
Hip to gable & rear dormer

Hip to Gable & Rear Dormer

L-Shaped Dormer

Choosing a Loft Conversion Specialist

It can be difficult to find a loft conversion company that is able meet all the requirements necessary in regards to cost, skill sets and professionalism. 


Premier has been doing this for over 25 years, our experienced back office team manages the process from inception to completion.  Our in house designer, contracts manager, construction manager and customer service team will be working with you every step of the way.  

Premier by Design Building Consultants Loft Conversion Staircase

Can I convert my loft space?

While most buildings can accommodate some kind of loft conversion, for some homes, only a certain type of conversion may be possible and your home will need to meet building standards such as ceiling height, structural support, access etc.

Cabrio Velux dormer
Premier by Design Building Consultants Dorma Window

Is planning permission required for a loft conversion?

In the case of certain properties, it may be necessary to apply for planning permission (for example, if the building is located in a conservation area).

What building regulations will apply?

Building regulations will inevitably come into play for even minor works, and must be considered. For more important information on the legal side of things, visit our planning page.

Locations we cover: Premier is able to covers most of the south coast. We undertake Loft Conversions in: Brighton Worthing Haywards Heath Horsham Bognor Regis Arundel Littlehampton Hove Shoreham Crawley Havant Chichester

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