Home extension and neighbour issue

Hi, this is my first post. Apologies in advance if this seems silly but this is all very new to me.

Currently doing a single storey extension on our house in a conservation area.

We’ve almost finished, are about 2/3 weeks from the end. This is our first time doing a house project and so far things have gone surprisingly well.

Just today, a neighbour who owns many properties around us has said he might speak to the council as the house is about 300mm bigger than the original plans that were submitted to planning and subsequently approved, making our house closer to his properties (but not crossing the boundary line).

I fully accept that we’ve knowingly done this, HOWEVER building control has visited the site regularly and signed off everything including foundations before the walls went up. 

I don’t think they physically measured the property (apparently they rarely do) but they have been on site several times with ourselves/our builder and have been happy. As the built is not quite finished we haven’t had their final compliance report yet but all good from them so far.

My question is - can building control revert their decision and can they/the council force us to knock it down?

Many thanks.

Comments

  • Andy_L
    Andy_L Posts: 12,976 Forumite
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    AIUI building control just check that the building conforms to, current, building standards. They do not deal with planning permission
  • Section62
    Section62 Posts: 9,155 Forumite
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    edited 1 March 2024 at 2:57PM

    Hi, this is my first post. Apologies in advance if this seems silly but this is all very new to me.

    Currently doing a single storey extension on our house in a conservation area.

    We’ve almost finished, are about 2/3 weeks from the end. This is our first time doing a house project and so far things have gone surprisingly well.

    Just today, a neighbour who owns many properties around us has said he might speak to the council as the house is about 300mm bigger than the original plans that were submitted to planning and subsequently approved, making our house closer to his properties (but not crossing the boundary line).

    I fully accept that we’ve knowingly done this, HOWEVER building control has visited the site regularly and signed off everything including foundations before the walls went up. 

    I don’t think they physically measured the property (apparently they rarely do) but they have been on site several times with ourselves/our builder and have been happy. As the built is not quite finished we haven’t had their final compliance report yet but all good from them so far.

    My question is - can building control revert their decision and can they/the council force us to knock it down?

    Building control don't normally comment on or get involved in planning matters.

    Building otherwise than in accordance with the approved planning drawings is something that the planning department could take enforcement action over - and are potentially more likely to do that in a conservation area than elsewhere.

    Is there is reason why the extension is being built 300mm larger than the plans approved by planning?  Did the builder express any concerns about this?

    Edit:  The answer to the bit in bold is 'yes', ultimately the council could make you demolish the part of the building not in accordance with the plans, but it is more likely they will first ask you to apply for retrospective consent or for a non-material amendment... but that does depend to some extent how much fuss the neighbour can (reasonably) kick up and what kind of impact the additional 300mm has on the conservation area.
  • GrubbyGirl_2
    GrubbyGirl_2 Posts: 907 Forumite
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    Never wise to knowingly not follow the approved plans.  The least you will face is having to apply for retrospective approval, but they may play hard ball as you are in a conservation area AND you have a complaining neighbour.  I am curious though as to how the neighbour has measured your extension without trespassing on your property?
  • EssexExile
    EssexExile Posts: 6,400 Forumite
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    Never wise to knowingly not follow the approved plans.  The least you will face is having to apply for retrospective approval, but they may play hard ball as you are in a conservation area AND you have a complaining neighbour.  I am curious though as to how the neighbour has measured your extension without trespassing on your property?
    A tape measure over the fence.
    Tall, dark & handsome. Well two out of three ain't bad.
  • Section62
    Section62 Posts: 9,155 Forumite
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    I am curious though as to how the neighbour has measured your extension without trespassing on your property?
    Counting the number of bricks?
  • sevenhills
    sevenhills Posts: 5,938 Forumite
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    edited 1 March 2024 at 2:57PM

    I fully accept that we’ve knowingly done this

    Rather a daft thing to do, did you think a larger extension wouldn't get approved?
  • Chickereeeee
    Chickereeeee Posts: 1,276 Forumite
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    Sounds like OP has gone too close to the boundary. Planning like to keep a metre gap.
  • thearchitect
    thearchitect Posts: 304 Forumite
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    I assume that you mean that the footprint of the extension is 300mm wider.   That may not seem like a lot but it may also have an impact on, for example, the height of a pitched roof and - as others have said - distance to boundaries.   Planning may consider or a Non Material Variation, but it is important that you have your architect or surveyor discuss this with them at an early stage.
    Health Warning: I am happy to occasionally comment on building matters on the forum. However it is simply not possible to give comprehensive professional technical advice on an internet forum. Any comments made are therefore only of a general nature to point you in what is hopefully the right direction.
  • DRP
    DRP Posts: 4,287 Forumite
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    Why is the neighbour going to complain? How close are you now from the boundary?
     I suppose there’s a big difference from the wall going from 120cm to 90cm from boundary, compared to being 40cm and now 10cm…
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