The development hereby permitted shall be begun before the expiration of three years from the date of this permission. Reason: In accordance with the provisions of Section 91 of the Town and Country Planning Act, 1990 ( as amended by Section 51 of the Planning and Compulsory Purchase Act 2004).

The development hereby permitted shall be carried out in accordance with the approved plans listed in schedule A. Reason: For the avoidance of doubt and in the interests of proper planning.

Before the commencement of the development hereby permitted the applicant, or their agents or successors in title, shall have secured the implementation of a programme of archaeological work in accordance with a Written Scheme of Investigation (WSI) which has been submitted and approved in writing by the Planning Authority. The WSI shall include details of the archaeological investigation, the recording of the heritage asset, the analysis of evidence recovered from the site and publication of the results. The development hereby permitted shall be carried out in accordance with the approved scheme. Reason: This is a pre-commencement condition as the site is situated within the core of the medieval town where there is the potential for medieval archaeology to be disturbed during groundworks. The condition will ensure appropriate archaeological investigation and recording in accordance with Sedgemoor Local Plan 2011-32 Policy D26.

Prior to the first use of the extension hereby approved a Schwegler 1FF or 2FN bat box (or equivalent) shall be erected either on the southern elevation of the house or on any suitable tree within the application site. It shall be installed to face a southerly direction and at approximately 3-5m above ground level. Once installed, the bat box shall thereafter be retained. Reason: To secure biodiversity gains in accordance with Sedgemoor Local Plan 2011-2032 policy D20.