How do I calculate my loft conversion?

Measure the head height The minimum height you need for a loft conversion is 2.2m, and you can easily measure this yourself. Take a tape measure and run it from the floor to the ceiling at the tallest part of the room. If it’s 2.2m or more, your loft should be tall enough to convert.

Do loft conversions need structural calculations?

Due to new building regulations, specifically brought in to improve safety and performance, a new floor structure needs to be provided in the loft space. Using the correct beam calculations for loft extensions enables you to get the job done right first time and in a way that meets the building regulations.

Are loft joists load bearing?

Lofts weren’t really built as load bearing rooms – or certainly not built strong enough to inhabit – so if you’re looking to house anything heavier than a few bags of old clothes and seasonal items, you’ll need to strengthen your loft. So what needs to be done to strengthen your new loft conversion?

Do you need a structural engineer for loft conversion?

Do I need a Structural Engineer for a Loft Conversion? The simple answer is yes! A loft conversion is a complicated process so speak to a structural engineer as well as an architect.

What are the structural calculations for a loft?

This information is all contained in your essential loft conversion structural pack, including your beam calculations for loft extensions. As shown in the example above, existing ceiling joists are designed to withstand a much lighter load than a domestic floor load.

What do you need to know about loft conversion?

Our loft conversion structural calculation pack includes calculations for all elements of the structure which need to be newly constructed or modified on site. This includes forming the new floor and roof structures. As standard, our calculation packs include all the following calculations and details.

How to do beam calculations for loft conversions?

Our bespoke loft conversions calculation pack directly addresses the need for modifications and strengthening, including beam calculations for loft extensions. It is important your existing plans detail the current roof construction.

Do you need to double the joists for a loft?

It is standard building practice, and a building regulation requirement, that joists supporting partitions and baths are doubled. This information is all contained in your essential loft conversion structural pack, including your beam calculations for loft extensions.