Self Build

Scheme 

  • Applicants who want to build a property on their own land.
  • You will be assessed against the criteria set by the Local Authority in line with their Supplementary Planning Guidance - Affordable Housing.
  • Housing need refers to households lacking their own housing or living in housing which is judged to be inadequate or unsuitable, who are unlikely to be able to meet their needs in the housing market without some financial assistance.
  • Affordable Housing - Housing provided to those whose needs are not met by the open market.
  • You will need to provide information as noted in the Tai Teg process.
  • Proof of land ownership is required.
  • Proof of mortgage and/or savings is required.
  • Once Tai Teg have completed the assessment it will be forwarded to the relevant Local Authority to be considered as part of the Planning Process.
  • The land will be subject to a Section 106 agreement with your Local Authority. Please contact the Local authority for further advice and guidance.
  • There is an assessment fee of £75.00
  • Please note :- Since the 1st of April 2026, self-build in Gwynedd is being administered by Gwynedd Council. Please contact tai@gwynedd.llyw.cymru / 01286 685100.

Eligibility Criteria

  • Be over 18 years of age.
  • Have a combined Gross household income of between £16,000 and £60,000. See Income tab.
  • Be able to obtain a mortgage and have savings to cover the other costs of building a home.
  • Not be able to buy a home suitable for your needs on the open market.
  • Not currently own a home anywhere in the world (unless a court order forces you to remain on the deeds of a property where your children live) or if you currently own a home you are able to show the local authority that the current home is unsuitable and does not meet your family's needs.
  • Be able to meet the specific criteria set by each local authority in regards to self build. Please refer to the Local Authority Supplementary Planning Guidance for Affordable Homes.
  • Be British or an EU/EEA citizen, or have indefinite leave to remain.
  • Local Connection - each Local Authority will have their own local connection criteria/policy please contact the planning department for guidance & advice.