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Aluminium bifold door Somerset Conservatory suppliers East Devon

If you live in a listed buidling or conservation area, consent will almost certainly required for new windows, doors or conservatory.


Although most local authorities request that like for like, single-glazed replacements are installed (windows and doors), we have had approval for new double-glazing in certain properties.


Secondary glazing is an effective way of incresing thermal efficiency and noise reduction. In most cases secondary glazing will not require planning permission although we will always get this confirmed by your local authority prior to works commencing.


We are able to advise and take care of listed building applications upon your behalf including maps, elevational drawings (existing and proposed) and application paperwork.


Applications usually take between 6-8 weeks in order to gain approval.

Listed buildings and planning consent

Listed buildings and planning consent

Conservatories and planning applications

As a rule of thumb, approximately 60% of conservatories built will require planning permission.


Under the present legislation you may not require planning permission, providing you meet with the following conditions:


No more than 50% of the land which surrounds the "original house" can be developed. If you require a conservatory that covers more than 50% planning permission is required.


If the proposed conservatory faces any road, planning permission will be required.


Maximum depth for a conservatory on a detached property is 4000 mm.


Maximum depth for a conservatory on a semi deched property is 3000 mm.


The maximum height of a conservatory is 4000 mm.


Conservatories built to the side elevation of a property a maximum of 4000 mts high and no more than 50% that of the original house.


At least 50% of area that will form the external boundary / edge of the conservatory must be glazed and 75% of the roof area to be covered with either glass or polycarbonate.(Building regulations).


All conservatories must be separated from the house by an external quality door, patio door or French doors. (Building regulations).


Conservatories on listed building, national parks, Broads Areas of Outstanding Natural Beauty, conservation areas and World Heritage Sites will require planning permission.


There are many more aspects that can affect conservatory planning issues such as product material and design.


Feel free to get in touch if you want some free, no obligation help and advice.

What our customers say...

"I would like to take this opportunity to let you know how 'over the moon' we are with our orangery.


We chose The Green Window Co as we were very impressed with the help and advice given by Russell Frame, he is a credit to your company.


The same applies to the fitting teams that came and I would like to pass on our thanks to them. They worked really hard and left the site just as it was when they arrived.


We always like to use local companies rather than national as we feel you get that personal touch...and we did!.

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