NaCSBA Membership

Boost the Custom and Self-build sector by becoming a member of NaCSBA.

NaCSBA works to grow the self and custom build market, raising its profile and boosting opportunities for your business. It relies on membership subscriptions from companies and organisations to help fund this core work.

Our financial independence means that we have an objective voice when lobbying, that Government respects. Members can be found on our Membership Directory on our consumer facing Self Build Portal. This site advises people how to self build, and allows them find their local self build registers.

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    Membership options

    We have four levels of membership for professionals – Gold Corporate Member, Custom Build Member, Standard Member and Not-for-profit. Sign up via PayPal, below, or email Donna Muir and arrange a call about joining.


    As well as all the custom build and standard member benefits (see below), Corporate Gold membership has a suite of tangible, additional benefits to grow your business.

    • Send four marketing communications a year to our Self Build Portal* Third Parties contact list.
    • Secure a premium, top of the page entry on our membership directory on the Self Build Portal
    • Receive invites to contribute to reports and research, and to NaCSBA events, such as our House of Commons receptions.

    Corporate ‘Gold’ Partnership £3,150 annually

    Three-year deal* £7,500 – saving 15% over the cost of three individual years!

    Rates exclude VAT


    Being a Custom Build member connects you with other enablers and developers bringing on multi-plot sites. As well as all the standard member benefits (see below), Custom Build members benefit from:

    • Networking with fellow custom build developers on issues and solutions
    • Access to senior policy makers at DLUHC and Homes England, via NaCSBA
    • The opportunity to shape policy affecting Custom Build
    • The chance to use the extra membership cost for shared benefit
    • Access to experts and technical guidance – including help on VAT, SDLT, CIL, planning

    Small Company (2-9 employees) £675 annually

    Medium Company (10-49 employees) £1,130 annually

    Large Company (50+ employees) £1,985 annually

    Rates exclude VAT

    Standard membership is our entry level, and like most levels there are different rates to reflect the size of your company, ensuring that membership is fair.

    All standard members of NaCSBA get the benefits set out below, and form the backbone of our organisation – your fees support our work.

    Sole Trader (1 employee/legacy landowner*) £175 annually

    Small Company (2-9 employees) £315 annually

    Medium Company (10-49 employees) £795 annually

    Large Company (50+ employees) £1,350 annually

    *By legacy land owner, we mean a landowner, such as a farmer, working to bring on self or custom build on multi-plot sites on a piece of land that they own.

    Rates exclude VAT


    Local Authorities and other not for profit groups, such as community-led housing groups, are able to secure membership for a special rate to reflect the fact that they are not profit generating. In addition, they are not bound by our Code of Practice, as other members are.

    Local Authorities have a special membership rate – £315 annually (plus VAT).

    Rates exclude VAT

    Most Self Build Portal users are would-be custom/self-builders researching products or services for their future project. Data suggests that those who have registered are: in the detailed preparation stages of getting their projects under way; typically holding budgets of £1-200k each, though many have budgets of over £500k; want to get their project underway in the next two years;  looking for land.

    Member benefits

    • Get a free copy of NaCSBA’s Custom and Self Build Market Report – worth £295!
    • Add NaCSBA’s logo to your website and marketing material to show you are a trusted company
    • Use the Code of Practice for arbitration should difficulties arise*
    • Profile your company in our Membership Directory, ideally place for consumers to see on the Self Build Portal
    • Publicise your news and case studies via the Self Build Portal.
    • Be part of a trusted voice in the industry
    • Get access to industry statistics and research
    • Contribute to our consultation responses and positioning papers
    • Join regular online updates on activity
    • Get monthly NaCSBA Newsletters
    • Feed into NaCSBA’s growing body of best practice

    Why become a NaCSBA member?

    As a company, you understand the bigger picture – you want to make building a home easier in the UK. You want others to appreciate that self or custom built homes offer the most beneficial and effective way to get the best quality or most cost effective homes, while securing more opportunities for your business though NaCSBA’s work.

    NaCSBA’s Code of Practice is a significant benefit for you and your customers. It demonstrates that you are a trusted operator in the sector, giving your customers peace of mind when sourcing businesses to work on their project. It supports you should communications break down, as an early form of arbitration.

    Check out the range of NaCSBA’s work

    Contact our Engagement Manager Donna Muir on 07968 124939 or
    Membership is for 12 months.

    Become a member now

    Choose your level of NaCSBA Membership below and show your support now!
    Prices below include VAT.

    Membership Options

    *For the three year Gold Corporate membership deal of £7,350 (exc. VAT) contact membership.