
Mark Stevenson
Mark Stevenson is a construction professional with almost 35 years’ experience across housebuilding, timber systems manufacturing and bespoke residential development. He is the owner of Elsworth Projects Ltd, a consultancy specialising in the project management of bespoke self-build homes.
Previously Managing Director of Potton and former Chair of NaCSBA and the Structural Timber Association, Mark is widely recognised for his specialist knowledge of timber construction, land finding and appraisal, and the construction of self-build projects.
Alongside his professional career, Mark is a skilled joiner, hands-on renovator and serial self-builder. He regularly shares his knowledge at Homebuilding & Renovating Shows and coaches self-builders.
Latest articles by Mark Stevenson

How to install your mains drainage and services
By Mark Stevenson last updated
While it might not be the glamorous part to a build, our self build expert Mark Stevenson gets stuck into explained what you need to know about installing your mains drainage and services

A guide to building with masonry — cavities, wall ties, process and more
By Mark Stevenson published
Our self-build expert looks at building with masonry to construct the superstructure of your project

Timber vs masonry: Which building system should you choose?
By Mark Stevenson published
With timber and masonry the most popular methods for building houses and extensions, how do they compare when it comes to efficiency, safety and environment?

Loft conversion building regulations: What you need to know
By Mark Stevenson published
Although a loft conversion may not require planning permission, you are still bound by building regulations. Here's why and which Approved Documents will apply the most

Building Regulations Part H: Our expert guide to drainage installations
By Mark Stevenson published
Our expert Mark Stevenson explains what you need to know about part H of the building regulations so you can get your drainage right and avoid costly mistakes on your project

I'm a professional builder and this is how I manage a project timeline
By Mark Stevenson published
Mark Stevenson looks at how a project timeline is managed and what tools the professionals use to make sure the build gets started, and finished, on time

Planning Permission to Demolish and Rebuild: What to Know
By Ken Dijksman, Michael Holmes, Mark Stevenson published
Planning Hub Understanding the rules around securing planning permission to demolish and rebuild is essential to make sure you don't waste money on a plot you can't develop

Do Designated Areas Make Good Building Plots?
By Sally Tagg, Mark Stevenson, Ken Dijksman published
Planning Hub Plots in designated areas, such as an AONB or Conservation Area, hold strong appeal to self builders - but can you actually get permission from the local planners to build?

Planning Conditions: The Ultimate Guide
By David Snell, Ken Dijksman, Mark Stevenson published
Planning Hub Don’t overlook the attached planning conditions in the euphoria of gaining planning approval. Failure to discharge conditions can invalidate the permission for your build — ignore them at your peril!
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