Costs Involved

For customers lucky enough to own your own piece of land buying a granny annexe for your own private land is a great way to marry up your perfect home and your perfect location. There’s a list of things that will need to be arranged by you, the landowner, before your home is delivered. The costs you will need to allow are as follows: 

Local Authorities

In the modern planning system, the application phase is where key issues are expected to be resolved, as far as possible. We always recommend seeking planning permission for your own land, whether this falls under a 'Certificate of Lawfulness'.

If you are comfortable handling this yourself that’s great, you will need to talk to your local planning authority regarding gaining a licence to site. If you’re unsure we can help you, give us a call or arrange a meeting and we can work together.

Your Granny Annexe

This can vary according to the model, size, and specification. The more size and luxury fittings you add, naturally the higher the price will be. 

Plot Preparation

Your home needs to sit on a concrete base and we would always recommend that the base is poured and fully cured before the home has arrived. Concrete takes a while to fully harden, your base should have at least 3-4 weeks minimum curing time before the home is sited. We would always recommend getting professional third-party advice for the build-up of your home’s base, depending on the ground conditions and the weight of your granny annexe.

Amenities will need to be in place for gas/water/electricity and sewage.


Talk to specialised haulage (again we can provide you with suggestions) or alternatively, you can let us handle this for you. Either way, the chosen transport company will provide a quote for delivery from our chosen manufacturers' headquarters in Brandon, Suffolk to your desired destination.


Once your unit is on site you’ll require a builder to return and construct any steps/ramps/decking/patios/landscaping to the exterior of your home. Some preparation for this can be done in advance, like ordering the required materials but most of the work will need to be carried out when the home is sited on your plot.