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Loft conversion planning

A loft conversion or an attic conversion is the process of transforming an empty space or loft into a functional room, typically used as a bedroom, office space, a gym, or storage space.

Recent research carried out by the Nationwide Building Society has shown that by converting a loft space, your house value can increase by as much a 20%

Loft Room

Loft conversion planning

See how we can bring your loft conversion dreams to reality.  Our loft conversion plans provide detail down to the very last millimeter.

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Why you should choose us for your loft conversion planning

No stress

We take the stress out of the whole process for you

Expert advice

With 15 years experience we will help you achieve the development you desire

Planning permission

We help you navigate the pitfalls of the planning permission process

Building regulations

We are by your side up until the construction phase and ensure all building and engineering requirements are met

Loft conversion planning considerations

Lawful development certificate

Contract Signature

Subject to certain parameters, the conversion of attic space may constitute Permitted Development.  The legislation varies between each house type (detached, terraced, Semi).  Atrium will provide a full appraisal of your requirements and ascertain whether you fall into the Permitted Development thresholds and if so will assist in obtaining for you the Legal Document known as a Lawful Development Certificate.

Full planning permission

Attic Window

In some circumstances, for example the insertion of a dormer in the roof of the front elevation, the need for planning permission will be unavoidable.  Atrium will guide you through the process and enable you to get the conversion you desire, ensuring  the development is aesthetically pleasing as well as meeting all of your practical and functional needs in terms of living space.

Our loft conversion planning process

Survey and existing drawings

Accurate measured drawings are required as a basis for design.

Sketch design stage

Design floor elevation plans examining all possible realistic options for design until a favoured scheme emerges.


Developed design to planning including submission of Planning Application / Lawful development certificate.

Technical design

Full specification and working drawings for building regulations

* Structural calculations may be required for wall removals / foundation design, vaulted ceilings etc and enabling works for loft conversions

Our loft conversion planning in numbers


Over 90% success rate on planning application submission since company inception

14 days

Extremely fast end to end service.  Measured surveys completed on the same day with draft proposal ready within 14 days.

100% UK

We cover all over the United Kingdom, far and wide.  No job too big or too small.  Site visits are available or work can be carried out remotely if necessary.

Client testimonials for loft conversion planning

Matt and his team have been brilliant. He has been very informative throughout the whole house extension planning process. I would definitely recommend to family and friends.

Sian Higgins

Get a FREE quote for your loft conversion today

We aim to respond within 1 hour

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