Caravan Act, PD & Full Planning Explained

Granny Annexe Planning Permission in
St Clears

Getting a St Clears granny annexe wrong on paper costs far more than getting it right first time, the structural, planning, and building regulations elements all need to align properly.

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Local to St Clears
Three Routes Explained
Council-Ready Applications

The Three Routes For A St Clears Granny Annexe

The planning position for a St Clears annexe comes down to two questions, is it genuinely mobile within the Caravan Act’s size limits, and is it genuinely ancillary to the house rather than a separate, independent dwelling.

A structure meeting the caravan definition, movable by road, built in no more than two sections, within 20 metres by 6.8 metres by 3.05 metres internal height, can often be sited in a St Clears garden without full planning permission, provided it stays ancillary.

Where a St Clears annexe is permanently fixed, or genuinely self-contained with its own facilities used independently, the caravan and permitted development routes generally don’t apply, and a full application becomes the realistic path.

Right Route Confirmed

Caravan Act, permitted development, or full planning

Caravan Act Route

Movable structures that may need no permission at all

PD Size & Siting

Permitted development limits checked properly

Council-Ready

Applications built to be approved

Granny annexe planning permission

How We Help in St Clears

Every St Clears annexe enquiry starts with establishing the real facts, is the structure genuinely mobile within Caravan Act limits, is it staying incidental to the house, or is it a self-contained dwelling, since that shapes the whole route.

From there, we prepare exactly what your St Clears project needs, whether that’s a Lawful Development Certificate confirming caravan or permitted development status, or a full planning application.

Structural and building regulations input runs alongside the planning process for St Clears annexe projects, whichever route applies.

The Real Requirements For St Clears Granny Annexes

Honesty about what your St Clears annexe actually needs comes before any recommendation, not after we’ve quoted for the more expensive route.

We understand the genuine legal distinction between incidental and self-contained use for St Clears annexe projects, which is exactly what most generic guidance gets wrong.

A Lawful Development Certificate, where your St Clears annexe genuinely qualifies for it, gives you written confirmation rather than a risky assumption. If you need help with a granny annexe, give us a call on 0330 133 5316 or fill in the form below.

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Granny Annexe Planning Permission FAQs for St Clears

Do I need planning permission for a granny annexe in St Clears?

It depends on three things, whether the structure genuinely qualifies as a caravan under the Caravan Sites Act, whether it stays incidental to the house under permitted development, or whether it’s a self-contained dwelling, which almost always needs a full application in St Clears.

What is the Caravan Act route for a St Clears annexe?

Under the Caravan Sites Act 1968, a structure qualifies as a caravan if it’s capable of being moved by road in no more than two sections, and doesn’t exceed 20 metres in length, 6.8 metres in width, or 3.05 metres in internal height, St Clears annexes meeting this can often avoid planning permission if they stay ancillary to the house.

Can I use permitted development for a St Clears annexe?

Only if it stays genuinely incidental to the house, St Clears outbuildings under Class E permitted development cannot be separate, self-contained living accommodation, the moment sleeping facilities are used independently, permitted development stops applying.

What counts as a self-contained annexe in St Clears?

A St Clears annexe with its own bedroom, bathroom, and kitchen, used independently of the main house rather than as shared accommodation, is generally treated as self-contained, which usually means full planning permission is needed.

Do I need a Lawful Development Certificate for my St Clears annexe?

We recommend it, even where your St Clears annexe genuinely qualifies as a caravan or permitted development, a Lawful Development Certificate gives you written confirmation rather than an assumption that could cause problems later, particularly when selling.

Can you handle planning and building regulations for my St Clears annexe?

Yes, we handle the full picture for St Clears annexe projects, the planning route, whichever applies, and building regulations compliance, as one coordinated service.