Not true in Hertfordshire, where both Welwyn Hatfield and
North Hertfordshire districts are to be split between the
new Central Hertfordshire and Eastern Hertfordshire unitary
authorities.

Tom

On 16/07/2026 18:19, Edward Bainton wrote:
Thanks. I’ve been only dimly aware of the process.  I agree that mapping the provisional new ones is a good idea.

As far as I’ve been able to work out, in Cambridgeshire all consulted- upon new unitaries have boundaries where an existing jurisdiction already has its boundaries.

Could that be the case elsewhere, too, so that the crudeness can be resolved?


Sent from my mobile device with apologies for brevity.

On Thu, 16 Jul 2026 at 19:13, SK53 <[email protected] <mailto:[email protected]>> wrote:

    Dear All,

    I'm not aware of any detailed discussion about local government
    reorganisation.

    Today the preferred new unitary authorities have been announced for
    all but two areas of England (Cambridgeshire and West Sussex).

    I've looked at the available maps for Notts, Lincs, Derbyshire,
    Leicestershire and Rutland. They look quite crude. The LGR site
    allegedly has a postcode checker to find one's new unitary
    authority, but it doesn't work for me. This does suggest that
    someone has compiled a postcode, or even uprn, lookups for the new
    authorities.

    In the absence of detailed maps, it seems to me it may be worth
    adding these provisional boundaries to OpenStreetMap. In particular,
    elections for the new local authorities are scheduled for May 2027.
    Modelling of possible voting outcomes in those elections is likely
    to be of immediate interest.

    These are notionally proposed boundaries, although given the
    timetable they are firmer than that, but may be subject to minor
    tweaks. I think using whatever is current practice for proposed
    boundaries is still appropriate. Although I have no idea if this is
    something like type=boundary + boundary=proposed +
    proposed=administrative or type=proposed:boundary etc.

    Jerry



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