Class Q conversion

Clive

Staff Member
Moderator
Location
Lichfield
Anyone know the max % or sq ft you can extend a redundant barn by under class Q ?

I have a potential small project that i’m
looking into viability of. - anyone recommend a planning (class q experienced) consultant to help with application etc ?

@George from SJM Planning is this the kind of thing you can assist with ?
 

robs1

Member
If you mean part q conversion into a house then you can't extend full stop, we are doing one and I wanted to add a tiny porch to go from the main building into a small lean to to make a office, was told can't do that, but would need to get the part q then apply for full permission for the whole lot again to get the porch. I've looked at dozens of parts q applications and councils are just ignoring the law and applying conditions on materials etc that they aren't meant too.
That advice is worth what you paid me 🙄 I suspect George might be along shortly
 

Homesy

Member
Location
North West Devon
0% I think. That's what I was told. You can't even put a conservatory on or even some steps outside the original footprint. However some councils may take a different approach. You may have to apply for planning permission to find out.
 
Anyone know the max % or sq ft you can extend a redundant barn by under class Q ?

I have a potential small project that i’m
looking into viability of. - anyone recommend a planning (class q experienced) consultant to help with application etc ?

@George from SJM Planning is this the kind of thing you can assist with ?
Certainly something I would be interested in assisting in.

Since the change in legislation in May you now can, in certain circumstances, extend a barn by up to 4m plus up to 200mm on each external wall to permit insulation etc.

But by using this new legislation you are limited to 150m2 per dwelling. If you are considering a larger dwelling (up to 465m2) then you can still use the old legislation but you cannot extend the footprint in any way.
 

Clive

Staff Member
Moderator
Location
Lichfield
Certainly something I would be interested in assisting in.

Since the change in legislation in May you now can, in certain circumstances, extend a barn by up to 4m plus up to 200mm on each external wall to permit insulation etc.

But by using this new legislation you are limited to 150m2 per dwelling. If you are considering a larger dwelling (up to 465m2) then you can still use the old legislation but you cannot extend the footprint in any way.

it's a small dwelling, even extended 4m it would be well under that 150m2 - I would be interested in talking to you
 

Homesy

Member
Location
North West Devon
Certainly something I would be interested in assisting in.

Since the change in legislation in May you now can, in certain circumstances, extend a barn by up to 4m plus up to 200mm on each external wall to permit insulation etc.

But by using this new legislation you are limited to 150m2 per dwelling. If you are considering a larger dwelling (up to 465m2) then you can still use the old legislation but you cannot extend the footprint in any way.
Amazing what you pick up on this forum. I asked the question back in February. I'll be back in touch with my architect. Makes my project much more viable.
Thanks.
 
Amazing what you pick up on this forum. I asked the question back in February. I'll be back in touch with my architect. Makes my project much more viable.
Thanks.
Please consider a Planning Consultant.

Your architect may not consider the nuance of the change in legislation, for example, the new legislation now requires established highway access and space standards which is a trade off for the extensions.
 

Hill Ground

Member
Livestock Farmer
Location
Bucks
We didn't do class q, but a house rebuild.

Planning consultant was well worth the money.

Most architects just sub the planning bit out anyway, so spent the same money, but dealt directly with the planning expert who really knew his stuff!
 
We didn't do class q, but a house rebuild.

Planning consultant was well worth the money.

Most architects just sub the planning bit out anyway, so spent the same money, but dealt directly with the planning expert who really knew his stuff!
We are working for or alongside architects more and more now as they realise that keeping up with planning legislation and dealing with councils is a full time job on its own.
 

Doing it for the kids

Member
Arable Farmer
Please consider a Planning Consultant.

Your architect may not consider the nuance of the change in legislation, for example, the new legislation now requires established highway access and space standards which is a trade off for the extensions.

Yet to meet a useful architect but our planning consultant is by a country Mile the cheapest asset we have.

Don’t tell him but I’d pay him x10 what he charges us for the service he gives!
 

Daniel

Member
Mixed Farmer
Anyone know the max % or sq ft you can extend a redundant barn by under class Q ?

I have a potential small project that i’m
looking into viability of. - anyone recommend a planning (class q experienced) consultant to help with application etc ?

@George from SJM Planning is this the kind of thing you can assist with ?
Looks like George has it covered but I’ve used Ian Pick Associates before, he does a lot of Ag work.
 

pellow

Member
Location
Newquay
Don't know what your council is like up your way but in Cornwall they are clutching at straws to refuse class Q, I've just had one turned down as I didn't detail how the new stud walls would connect to the existing structure

Its a lottery down here, I know someone who had a shed made of Crittal bin panels passed for conversion
 
Don't know what your council is like up your way but in Cornwall they are clutching at straws to refuse class Q, I've just had one turned down as I didn't detail how the new stud walls would connect to the existing structure

Its a lottery down here, I know someone who had a shed made of Crittal bin panels passed for conversion
Any chink in an application and councils will refuse them. 5 years ago Class Q was easy - now from an applicant/agents angle it is harder to navigate than a full planning application.
 

serf

Member
Location
warwickshire
Any chink in an application and councils will refuse them. 5 years ago Class Q was easy - now from an applicant/agents angle it is harder to navigate than a full planning application.
All should be fine simple and easy though now labour are in cos they are going to get planning through as fast as possible and just ignore any complaints from neighbours 👍....
 

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