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Permitted Development - Ground Floor Rear Extension (3-4m) - Part 1

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UK Permitted Development Extension, Ground floor rear extension.
What you can do without Planning Permission
Home Extension
Addition notes:
It is advised to apply for a Lawfulness Certificate to the local authority. This allows the Local Authority to assess that the design complies with Permitted Development requirements. More information can be found on your Local Authority website.

Опубликовано:

21 авг 2024

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Комментарии : 100

@RENDEZVOO 3 года назад

Great video which makes this topic easy to understand. Planning laws can be daunting and confusing at times. I really hope you continue to do more videos like this as they are a great education, not just for the public, but even for those in the business of house design.

@betaplanltd5967 3 года назад

Thank you, that's appreciated.

@ponsaelius5668 3 года назад

It is worth also pointing out that if you were extend from the rear of the house ANDthe garage in this instance, and these elements touch one another, even if they are staggered then this would not be permitted development. This is because it would be an extension from the side of the house (that small set-back area) and over half the width of the property - falling foul of side extension rules on a technicality. These videos are good, and informative, but I would probably recommend if you are not sure to apply to the council for a Lawful Development Certificate for any work you think is permitted development. It is half the planning fee and in the grand scheme of the development the cost of drawing up plans etc is worth the peace of mind. You will receive a legal document approving the works and this is very useful if you ever come to sell the house!

@betaplanltd5967 3 года назад

Thanks for your comment, correct, extending off both can fall in the technicality of a side extension, due to the width being more than half the width of the original house. I plan on doing a PD side extension video, which will also cover 'wrapped around's' which generally require planning.

@buzzukfiftythree 3 года назад

One thing always to bear with permitted development on builds after 1975 is that local councils can remove the automatic right to develop without planning permission when an estate is built. That has happened to us (estate of detached homes built in 1980 by Wimpey), and all we wanted to do was to convert one of two integral garages into a habitable room. Make sure you check before carrying out permitted development.

@richardhewitt7097 3 года назад

We got planning for a 6m rear extension under permitted planning. Terraced house.

@artfulstarboy 3 года назад

Great video... Please do a video for outbuilding extension!

@betaplanltd5967 3 года назад

Hi, thanks for watching, I will do a video on the following situation in the next few months: 6-8 rear extension outbuilding side extension two storey rear extension additional storey extension extension costing planning permission / building control

@whydotufaqoff 3 года назад

Thanks, Nicely explained and illustrated ...

@betaplanltd5967 3 года назад

Thank you.

@erfanoveenomaan 3 года назад

Excellent Informative video

@hemenahmad2764 3 года назад

HI BETA PLAN Good video and easy straight forward explaining but missing rear 2 story extension! What's the new rules? Thanks

@madhatters14 3 года назад

Could do with explaining flat roof height ignores parapet height and is measured from the actually flat roof plane. Well explained video 👍🏻

@betaplanltd5967 3 года назад

Thank you, correct. The flat roof height is taken from the roof finish (top side) felt, rubber whatever the finish is. 'From the ground level at the base of the outside wall to the point where that wall would meet the upper surface of the flat roof - the overhang and the parapet wall should be ignored for the purposes of measurement'.

@anthonymcardle3359 2 года назад

Great video and very informative thanks

@KingstonHomeMaintenance 3 года назад

This changed in 2019 after the trial period of two years, on a detached house its 8m and 6m on any other. Some areas may have local building rules in place and also of course the conservation areas and listed buildings. Just do a quick google and look at planning portal

@betaplanltd5967 3 года назад

Thanks for the comment, in 2019 the 6-8m extension rule was made permanent, however this does require a prior notice application (not be confused with a householder application). There is a fee and a time scale. This video is what you can do without any application, under permitted development. I am preparing a video on the 6-8m extensions and requirements. The standard permitted development rule hasn't changed.

@amber300c 3 года назад

Hi, can you do a video on a 2 storey extension for a terraced house?

@nawazali93 3 года назад

Thank you so much for the advice 👍

@ishkhan2620 3 года назад

Hi, Isnt permitted development 6 meters for rear and 8 metres for detached?

@alexlambert4640 3 года назад

I believe that’s for a larger home extension application

@saulcritchley4633 Год назад

When extending to the rear, does it come under permitted development if you extend further than the current width of the house. For example the house is 10m length by 6m width, could you do a single storey rear extension 3m (extending to 13m) length and then the width be 8m instead of 6m or does it have to match the width of the original house at 6m. This extra width would solely be for the new extension and not the existing house Love the videos very informative & i look forward to your response

@betaplanltd5967 11 месяцев назад

That would need planning permission. PD works off the original house in respect of rear extensions. Watch my side extension video that explains something similar to what you are asking.

@oddsandwindsocks5905 3 года назад

Very helpful thankyou

@cherrugropap 16 дней назад

Hi! Very informative video, thank you. I intend to build a conservatory at the rear of my terraced house. Can the conservatory have a tiled roof without planning permission? Thank you.

@betaplanltd5967 15 дней назад

Thank you, planning permission is no problem with a tiled roof, assuming everything is compliant.

@cherrugropap 12 дней назад

@@betaplanltd5967 Hi! Thank you for your answer. Could you please tell me what is the percentage for glazing? I have read about a rule of 25% of the floor area. Thank you very much in advance.

@betaplanltd5967 12 дней назад

@@cherrugropap yes, 25% the floor area the area of whatever windows are being covered up by the extension.

@cherrugropap 12 дней назад

@@betaplanltd5967 Thank you so much for your kindness to answer my questions, you did helped me a lot.

@cherrugropap 12 дней назад

@@betaplanltd5967 Sorry for the trouble, one last question. My conservatory will be 9 square meters, is it exempt from the 25% glazing rule? Thank you

@gelleby3 3 года назад

"Where not on Article 2(3) designated land* or a Site of Special Scientific Interest; and subject to ‘prior approval’, the limit for single-storey rear extensions is increased to eight metres if a detached house; or six metres for any other house." I would think it's important to state this in the video, no?

@betaplanltd5967 3 года назад

Thanks for your comment, I didn't include the 6 / 8m extension requirements for the following reason. As you correctly stated they would require a prior notice application. Ultimately a prior notice application could be refused. As they are subject to the neighbour consultation. 3 / 4m PD extension in line with all the requirements can be built with no applications. I am preparing a video on the 6 / 8m extension separately.

@DRIVEFROMHOME4K 2 года назад

👍👍👍 top video

@betaplanltd5967 2 года назад

Thank you.

@artfulsplashertees Год назад

Hi. What about garden length. An architect on here said the back perimeter fence has to be 7 metres away from the back wall of your extension. Another architect said you can extend only half of your garden length. So if 4 metre garden only 2 metre extension. Pls clarify. Many thanks.

@betaplanltd5967 Год назад

Hi, the 7m figure is in relation to having a 2 storey rear extension within PD. The other comment, and extension cant take up more than 50% of the properties amenity space (including previous extensions and outhouses). I hope that makes sense.

@southernrealist5789 3 года назад

Excellent videos. Appreciate your effort. My mid Terrance house is about 5m wide. At the rear there is an original 2.3m wide and 4m long out toilet and store on one side. I want to covert the out toilet and stores to a shower room and a small room - I want to extend it by 3 metres. Would I also be about to make the 3m extention part ever so slightly wider from 2.3m to 2.6m? Or would I need planning?

@betaplanltd5967 3 года назад

Hi, thanks, if you are building wider than the original width, it would need planning.

@craigmalone9997 3 года назад

Very well explained and edited video. My semi detached house picks up my attached neighbours foul and mine runs along the back of both houses round the side of mine and out to the main sewer. It runs exactly where I would want the extension and where you had it in this explanation. Any input on if this would need moved or can an extension be built over existing drains ? Thanks

@betaplanltd5967 3 года назад

Hi, thank you. Firstly, based on your comments I would consider you would need a building over / close too agreement from your local water authority (who deal with drainage) as you are building over or close to a 'shared' sewer. Its no problem building over a sewer. i.e. a sewer can pass through a foundation and under an extension. You wouldn't be able to build a wall on a foundation over a sewer (inline with the sewer). The extension could go bigger or smaller. You could re-position the sewer, but that's subject to cost, ease, acceptance from the water authority. Hope that helps.

@craigmalone9997 3 года назад

@@betaplanltd5967thanks for the response, yeah the drain would only be passing through the found and not actually built on top of. That seems like good news as if drain had to be moved would be a huge undertaking and cost. Thanks again

@dianeshanley8021 Год назад

Very informative video however the allowable roof overhang is not made clear. If my permitted development rear extension on a semi-detached house has a combination lean-to roof incorporating an apex; then is there a limit on how much the apex roof section can project - if, for instance, I want to create a covered porch to sit under? I'd love to hear your views.

@betaplanltd5967 Год назад

Thanks for watching, eaves aren't included in the projection dimension. However, in my opinion if they were more than a standard projection (say 200-300mm) they may start to be looked at as part of the extension. If it was a covered porch, I would suggest they definitely would form part of the extension. As the support for the projecting covered porch would be structural.

@mehrdad499 3 года назад

Hi Beta Plan Thank you for posting this video. I have a question and would appreciate it if you could respond to it. Is the 50m3 permitted volume for semi-detached properties based on the internal dimensions or external considering the thicknesses of external walls? The planning portal requires all dimensions to be external but the legislation says the increase of the contents of the loft shall be less than 50m3. I would say the contents refer to the internal volume.

@betaplanltd5967 3 года назад

Hi, thanks for watching the video. The 50m3 volume is the external increase over the original roof space i.e. externally measured from the external face of a roof plain. 'Content' I would suggest is reference to the volume above the original external roof space.

@samirsaddedis711 3 года назад

thank you for this nice video, i really find it informative i have a question, if we would like to change the slope of the first floor roof without changing the walls sizes for example from 45^ to 75 do we need a planning permission or it falls within the permitted development. kind Regards

@betaplanltd5967 3 года назад

Hi, thank you. Why would be my first question. Hard to answer without having any details. I would suggest its a question to the planning department

@mgplumb9135 Год назад

Would I be able to build a single story extension that projects to 4 meters with a second story that projects 3 meters under permitted development, if it was more than 2 meters from the boundary?

@sonysony9585 2 года назад

hi, can i remove red brick wall fence? it is 3 meter away from road. i would like build one store extra room size 3meter wide and 5.5 meter long, 16.5 square meter, without planning permission. garden door i will not remove, it gonna be separate building with concrete metal bars, stones, red hard bricks, my house semidetached size 9 meter long, 5.5 meter wide, 49.5 square meter. the law says 50% footprint width allowed build without building control, my house wide 5.5meter so i can build 2.75meter wide? or 3 meter will be ok too? thank you

@azzamody 2 года назад

PD was 6m depth in rear extension , could you clarify when that’s has been changed and that changed on all London borough or still some is implementing 6m depth ?

@betaplan57 2 года назад

Thanks for watching, 3m semi detached / terrace, 4m detached houses are the allowance for PD. 6m requires a prior notification application. LDN the same, unless the individual council has any specific restrictions.

@elliottsill5992 Год назад

Hi I’m after building a rear mono pitched extension on the back of my semi detached house. I’m wondering what the maximum the roof ridge can go to please? also is the roof ridge where the it connect to the original house brick work.

@betaplanltd5967 Год назад

4m, is the maximum height of the ridge. 3m is the maximum height of the eaves.

@fruitydwarf3679 3 года назад

If there is a garage that is not connected to the dwelling but original to the house, can that be extended off of in terms of what you have explained for the garage?

@betaplanltd5967 3 года назад

Thanks for watching, no unfortunately, it would be an out building. However, there PD rights for outbuildings.

@fruitydwarf3679 3 года назад

@@betaplanltd5967 Thanks for your reply, really appreciate the help!

@cracoviacracovia9466 3 года назад

Can you make a video about garage permiton separated or attached

@damindabandara5594 4 года назад

Hi thanks for the informative video. Has the 2020 annoucement affected this or do we need further clarification in October 2020 to confirm?

@betaplanltd5967 4 года назад

Hi Daminda, These are the current requirements.

@SiddharthPandeyProfile 3 года назад

Hi, thanks for the video. I’m looking to buy a detached bungalow that already has a single storey rear extension, I think it is 5.50m to build a living room and kitchen. If I buy this, how much I extend at the back to build something extra? like a bedroom with En-suite and a conservatory for example. Will they approve a second single storey rear extension as the garden at the back is very big and have a lot of space for more extension. Thanks

@betaplanltd5967 3 года назад

Hi, Thank you. Bit hard to comments really, the max is 8m depth off the original house, which can incorporate a previous extension, assuming it all within the requirements. Probably worth speaking to the planning department. Something would need to be submitted either way.

@SiddharthPandeyProfile 3 года назад

@@betaplanltd5967 Thanks for your reply. So, is it like they don't allow more than 8m depth even if an applicant submits a plan request? As in this case, the remaining allowance is roughly 2.50m. I was hoping to build a bedroom with an ensuite and a conservatory. Is it like the conservatory also needs to be within the 8m allowance? I read somewhere that there is no planning permission required for the conservatory.

@betaplanltd5967 3 года назад

@@SiddharthPandeyProfile Anything over 8m (on a detached would need planning). Up to 8m would need a prior notice application. A conservatory is no different from an extension. Still falls within the size limits.

@richardjohnson8731 3 года назад

Does this mean an end of terrace can come out 4m, whereas there mid terraced neighbour can only come out 3 metres? If the 'terrace' is just 3 homes, 4m for the 2 ends and 3m for the mid-terrace?

@betaplanltd5967 3 года назад

Hi, thanks for watching. No it doesn’t an end terrace is still a terrace. 4m is only on a detached. Link detached, semi and terrace are allowed up to 3m. Under permitted development rights.

@richardjohnson8731 3 года назад

@@betaplanltd5967 Reply much appreciated. Also, many thanks for the video, very informative.

@leebishop4485 3 года назад

I’ve got planning passed for my detached house and the measurements out from existing brick work to new brick is 4.3 is this ok , obviously that 0.3 is block cavity brick ,thanks

@betaplanltd5967 3 года назад

Thanks for watching, If you have had plans passed, you build inline with the approval. The limit without the need for planning is 4m on a detached house under permitted development.

@leebishop4485 3 года назад

@@betaplanltd5967 thank you so much for replying, great up- loads ,good luck for the future,Lee.

@betaplanltd5967 3 года назад

@@leebishop4485 Thank you.

@paan1 4 года назад

Can you explain the rule regarding the extension not exceeding 50% of the area?

@betaplanltd5967 4 года назад

Hi, any extension can not cover more than 50% of the garden (your private amenity space).

@nigeltaylor8310 3 года назад

Link detached home. Can you remove the linked garage to make it a detached house.

@betaplan57 3 года назад

Hi, Thanks for watching. I haven't been asked that before. It makes sense, whether or not planning would accept it is another matter. I would be interested to see. I would suggest the question would have to be made for full clarification.

@dhillonflora 2 года назад

Hi, thanks for the video. Is anyone able to tell me what the maximum width of the extension is allowed to me under permitted development? Would the maximum width be the width of the original house?

@betaplanltd5967 2 года назад

Hi, Thanks, correct the width is governed by the width of the original house in terms of a rear extension.

@InvernessFarm Год назад

Does this rule still applies for the terrace house? My house is end terraced.

@ronmaren4135 3 года назад

what does ''....within 2 meters of the boundary'' mean?

@betaplanltd5967 3 года назад

Thanks for watching. If the extension is built closer to the boundary line / fence less than 2m away.

@ronmaren4135 3 года назад

@@betaplanltd5967 thank you so much, I learned a lot from your videos

@davidparry2301 2 года назад

Q in the case of a pair of semi’s that currently both have a conservatory if I wanted to change mine to an extension how close can the extension wall be to the neighbours conservatory

@betaplanltd5967 2 года назад

Thanks for watching, you can build up to your boundary line i.e. as close to or on your boundary line as permits. It may require party-wall act notices. Always discuss with your neighbour too.

@davidparry2301 2 года назад

@@betaplanltd5967 thanks for that information and good video. Very concise and clearly explained 👍

@betaplan57 2 года назад

@@davidparry2301 Thank you.

@bs2592 Год назад

Think this is out of date now...?

@betaplanltd5967 Год назад

Not as far as I am aware.

@mt3377 3 года назад

Is neighbour consent still required thanks

@betaplanltd5967 3 года назад

Hi, thanks for watching. Neighbour consent or prior notification as it’s more commonly known is only for extensions over permitted development. Between 3-6m on terrace or detached houses and 4-8m on detached house.

@ajaznawaz37 3 года назад

It’s more meters than three and four no?

@betaplanltd5967 3 года назад

Hi, more than 3m (on a semi or terrace) or 4m (on a detached) would require a Prior Notice Application to the Local Authority.

@longandshort6639 3 года назад

I thought it was up to 8 metres under PDR

@betaplanltd5967 3 года назад

@@longandshort6639 For a 6m (semi or terrace) or 8m (detached house) extension you need to submit a Prior Notice Application to your local LA. The requirements are the same, but you would need to notify the planning authority prior to starting.