For cladded timber buildings that have external walls made of combustible material and exceeds 15 sqm internal floor area must be sited with a minimum distance of 1000 mm from any third-party boundary. This is to limit the risk of the spread of fire.
If the structure or cabin is in excess of 30 sqm internal floor area, then building regulations approval should officially be sought.
The log cabin cannot extend beyond the part of the original house nearest to the highway – meaning you can’t put a log cabin in your front garden or beyond the front wall of your house without planning permission.
It must have a height of less than 4 meters in the case of a building with a dual-pitched roof or 5 meters if it is within 2 meters of a boundary. The eaves cannot exceed height of 5m.
Local Authority Information
A great resource is www.planningportal.co.uk where you can find lots of information from your local authority.