Technology2 mins ago
attic -planning permission?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Wrong. Planning Permission has been around since 1948. However it is possible that he used what are known as Permitted Development Rights to extend the property. This is OK, but it is unlikely he used this route if there is a dormer window in the roof - post again if you need more info on this.
Either way, he would definitely have had to have Building Control Approval for this modification to ensure that minimum construction standards were met - particualrly insulation standards, method of exit in the event of fire and roof / joist construction in the attic.
I'd be very wary about this.
As buildersmate points out Building Control is a worry. Attic "joists" are not joists they're rafters. They would have been put in to support a ceiling not a floor. A lot of cowboy jobs would floor over them and not replace them with the stronger ones required.
Personally I'd not walk away - I'd run! but if you're really keen make sure you get a full structural survey and brief the surveyer before about your concerns.
Bringing all the above back together again.
Putting a skylight in the roof does not need Planning Permission (because the external shape of the dwelling is unaltered). Extending by adding a loft conversion does not need Planning Permission provided the VOLUME of the extension does not exceed 40 cubic metres (for the type of house you quoted) - as far as I known this is irrespective of what one is going to use it for (either storage or habitable space). But both the above statements may need qualification if the house is in a Conservation Area, in an AONB or it has already been extended before, so best to check with the Planning Department. Many councils have records on websites now but those that have put backrecords up since 1948 I reckon are rare. You may have to visit the offices. That deals with the Planning Permission side.
Building Regs definitely would have been required if the dwelling is claimed to be a habitable room - which seems likely since a skylight was put up there. My earlier comments about what construction areas this covers are above. If he didn't get apply for this, then the posting above about 'discounting' the value is pragmatic - the seller can't claim it as a bedroom - only storage space. It isn't illegal. Once you have purchased, you could get retrospective permission, if you wanted to - but you need to evaluate what the cost of mods might be to do this.
The lender's survey is most unlikely to find this - it is merely checking the sum you propose to borrow will be covered by the minimum market value of the house.