Do you need planning permission for a garage

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Do You Need Planning Permission for a Garage?

A new detached garage built within permitted development limits does not require planning permission in England. The main limits are maximum 4m height, single storey, within the curtilage, and not in the front garden.

Building a new detached garage in the garden of a house can be done without planning permission in most cases under the permitted development rules for England. Understanding the specific limits ensures the garage is built within them.


Permitted Development for Outbuildings

Under Class E permitted development for dwellinghouses in England, outbuildings including garages can be built without planning permission provided specific criteria are met. The structure must be within the curtilage of the dwelling (within the property boundary). It must not be forward of the principal elevation, meaning not in the front garden visible from the street. It must be single storey. The eaves height must not exceed 2.5 metres. The maximum height is 4 metres for a dual-pitched roof or 3 metres for any other roof type.

Additionally, the total area covered by all outbuildings must not exceed 50 percent of the total curtilage area, excluding the original house footprint. If an existing extension or other outbuilding already uses a significant proportion of the garden area, the available permitted development allowance for a new garage may be limited.


Proximity to Boundaries

If the garage is within 2 metres of a property boundary, the maximum overall height is reduced to 2.5 metres for any roof type. This is an important limit that affects the design of garages positioned close to a side or rear boundary.


Properties Where Planning Permission Is Required

Several categories of property do not have the standard permitted development rights for outbuildings. Listed buildings require planning permission for any outbuilding in the curtilage. Properties in some conservation areas may have restricted outbuilding rights under Article 4 Directions. Flats and maisonettes have no outbuilding permitted development rights. New build properties may have had permitted development rights removed as a planning condition.

Even where planning permission is not required, Building Regulations approval is needed if the garage includes any habitable accommodation, electrical installation, or plumbing. A detached single-skin garage under 30 square metres internal floor area with no sleeping accommodation is generally exempt from Building Regulations. Check the specific position with your local authority before starting work.


Summary

A new detached garage can be built without planning permission in England if it is single storey, maximum 4m height (dual pitch) or 3m (other), not in the front garden, within 50 percent of the curtilage area limit, and not closer than 2m to the boundary at more than 2.5m height. Listed buildings, some conservation areas, and flats require planning permission. Building Regulations may apply depending on size and use.

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