Permitted Development – Page 2
GPDO classes, limits, conditions, prior approval and Article 4 directions explained.
Permitted Development articles – page 2
279 articlesMeans of access under Part 2 Class B of the GPDO
A dropped kerb onto an unclassified road can be permitted development under Part 2 Class B, but only in support of other permitted work, and never onto a classified road.
Part 11 demolition: what the prior approval decides
The determination is narrow: method and restoration, nothing else. What belongs in the method statement, why conservation areas are outside it, and the 28 day silence rule.
New flats above commercial premises under Part 20
The upward extension right is real but narrow. Age limits, three separate height controls and a long list of prior approval matters decide most sites before design starts.
Part 6 agricultural permitted development on a large holding
On a holding of five hectares or more, Class A of Part 6 permits substantial agricultural buildings without a planning application. The ground area and height limits, the 400 metre livestock rule, and what reasonably necessary actually means.
Porches under Class D and the two metre highway distance
Class D has three absolute limits and no prior approval route. How to measure the ground area externally, where the 2 metre highway line falls, and when a full application is the better option.
Class B roof extensions and the 20 centimetre rule
Class B permits roof enlargement within a cubic content allowance, below the existing ridge, and set back 20 centimetres from the original eaves. Where each limit bites, and where the class does not reach.
Why Part 1 rights do not apply to a flat or maisonette
Article 2 of the GPDO excludes flats and maisonettes from the definition of dwellinghouse, removing every Part 1 right. What still applies, and why the application is not a householder one.
Permitted development rights after a Class Q conversion
A barn converted under Class Q is a dwelling without householder permitted development rights. Extensions, sheds and hard surfacing all need permission, so plan the whole site at prior approval stage.
Reverting to a previous use after a permitted change
Part 3 grants a right to change use. It does not generally grant a right to change back. Ask the question before you implement the change, not after the tenant leaves.
Curtilage of a listed building and the rights you lose
If your house is listed, the garden wall and the old coach house may be listed too. The 1948 test decides it, and unauthorised works are a criminal offence with no immunity period.
Part 16 telecoms apparatus and the prior approval route
Under Part 16 the permission comes from the Order, so the council can only consider siting and appearance. Objections about health or need cannot be acted on, however many arrive.
Class H antennas: size, number and siting limits
Class H of Part 1 allows up to two antennas on a house within stated size limits. Flats have no right at all, designated land restricts highway-facing positions, and listed buildings need consent.
Measuring height where the ground slopes
The datum is the highest part of the ground immediately next to the building, so the downhill corner is what breaches the limit. How to measure it and record it.
Permitted development does not excuse a wildlife offence
Converting a loft under permitted development is lawful development and can still be a criminal offence if bats are roosting. What to check before work starts, and what to do on discovery.
Article 2(3) land: which designations remove rights
Five designations make a site article 2(3) land under the GPDO. Side extensions and rear dormers go, single storey rear extensions and rooflights stay.
Obscure glazing and the 1.7 metre opening restriction
The 1.7 metre line is measured from the floor inside, not the ground outside. Get it wrong and the whole extension drops out of permitted development.
The seven metre rule for two-storey rear extensions
Class A removes permitted development for a two-storey rear extension within 7 metres of the opposite rear boundary. How the measurement works, plus the depth, pitch and window conditions.
Raised platforms, decking and the 300mm trigger
Part 1 of the GPDO excludes raised platforms over 300mm from Class A and Class E, so a deck 310mm above adjacent ground needs permission. How the measurement works and how to design around it.
Class A rear extension depth on a detached house
Class A allows a 4 metre single-storey rear extension on a detached house, measured from the original rear wall, and up to 8 metres through the prior approval route.
Scaffolding, hoardings and the highway licence
Planning permission does not let you stand a scaffold on the footway. Highway licences under the Highways Act 1980 run on a separate track, with their own applicants, timescales and lead times.
Loft conversions with no external change to the house
Internal alterations are outside the planning system altogether. The question is what happens the moment you cut an opening in the roof.
Air conditioning condensers on commercial buildings
The permitted development right for plant applies to industrial and warehouse premises. On a high street unit, assume an application and a BS 4142 assessment.
CCTV and security cameras: the permitted development limits
Most security cameras on a commercial building need no planning permission, provided they stay inside the Class F size limit. The floodlight beside them is a different matter.
Replacement windows and doors: when they are development
A like-for-like window swap is not development, so no permission is needed. Change the material, opening pattern or frame depth and the position shifts, with flats and listed buildings handled differently again.
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