Professional Custom Home Builders in Bury Saint Edmunds

No. Your annexe will encounter exactly the same water pressure as you experience within the main house, without notable reduction in pressure with the annexe in place.

A SIPS based granny annex generally is not acceptable to most local authorities for lawful development. This is because this type of construction cannot be considered to enjoy demonstrable movability. Fundamentally, most councils now consider a SIPS based garden annex to be too weak and too structurally insecure to demonstrate significant or realistic movability. Consequently, in most cases, local authorities will strike out an application for lawful development if the structure of the annexe is based on SIPS. However, unlike a SIPs structure, our unique hybrid garden annexes which can demonstrate an integrated floor assembly and frame structure is recognised to be strong enough to be proven to be completely movable, and therefore an Annex by GX Modular does not require planning permission and a Lawful Development Certificate may be granted, but only as we never use SIPs.

At present, there are no second-hand garden annexes available on the market, but we anticipate that several may become available within the next few years as the user base extends and some families may choose to reconfigure their family lifestyles. Please contact us to enquire about updates.

In almost every case, the existing precedent, which was established in 2019, means that a Garden Annexe is not separately rated as long as the annexe is being used by a member of the family that occupies the main house.

A bespoke annexe can normally be completed on site within 6 months. A modular annexe project is often 14-16 weeks on site, our competitors claim A hybrid Garden Annexe is normally installed in just 5-10 days