You can download a comprehensive list of charitable grants for churches from the Churchcare website:
Here are some specific trusts which are worth researching:
One of the UK’s largest grant-making trusts, supporting churches to restore their historic buildings and open them for wider community benefit
The Anchor Foundation
Supporting Christian charities concerned with social inclusion and the arts. Only in exceptional circumstances will grants be given for building work.
Awards for All
Three funding priorities for community-led projects: bringing people together; improving the places and spaces that matter to communities; and enabling people to fulfil their potential.
Grants to projects that provide or improve biodiversity, community spaces, and places for outdoor recreation.
Bishop of London's Mission Fund
Supported mission work throughout the Diocese, aimed at reaching ‘beyond the walls of the church’.
Grants for the conservation of church buildings and their historic contents.
Church Urban Fund
“Near neighbours” grants offer funding to bring together neighbours and improve communities. “Together grants” are for faith-based organisations to engage in social action.
Wide range of grant types including community, environment, and faith. They like to match-fund. Revenue and capital grants available.
Heritage Lottery Fund
Funding for heritage projects of a wide variety, as long as they make a lasting difference for heritage, people and communities.
Heritage of London Trust
Islington local ward councillors
Local ward Councillors have an annual budget per ward for small grants.
Methodist Chapel Aid Limited
Provide loans to churches and associated organisations which are primarily intended to enable churches to acquire, develop or repair church buildings
National Churches Trust
A wide range of funding for churches towards repairs and maintenance, community and partnership work, and the development of larger projects.