The 84-page self build handbook
Plot to completion, covering route options, procurement, risk and the order everything has to happen in.
From finding a plot to handing yourself the keys — the structure, checklists and financial controls a self build needs.
Secure checkout coming soon — payments are not yet enabled.
What's included
Self build rewards preparation more than any other project type. This pack gives you the structure professionals use, translated for homeowners.
Plot to completion, covering route options, procurement, risk and the order everything has to happen in.
Spreadsheet
Score any plot on access, services, ground conditions, planning history and constraints before you bid.
Spreadsheet
Stage-payment cash flow, VAT reclaim tracking and contingency modelling in one place.
Editable
A realistic 12–18 month programme you can adapt, with dependencies and long-lead items flagged.
Reference
Structural warranty, site insurance and what lenders will expect at each stage.
Printable
Templates for recording decisions, variations and inspections so your paper trail holds up.
Who is this for?
You want the full picture before committing to a plot or a mortgage.
You are appraising sites and need a consistent way to compare them.
You are working with a developer or package provider and want to hold them to account.
Table of contents
Inside the pack
A look at the layout and depth you can expect. Final pages may differ slightly.
Reviews
Homeowner reviews will appear here once the pack is released.
Homeowner reviews will appear here once the pack is released.
Homeowner reviews will appear here once the pack is released.
Pricing
Self Build Project Pack
£59£89
One-off payment. Lifetime access to updates.
Payments are not enabled yet — this is a preview of the pack.
Every BuildGuide guide and tool stays free. The pack simply gathers the templates, trackers and detail into one place so you are not piecing it together yourself.
Instant download once payments go live.
FAQs
No. The plot appraisal tools are designed to be used while you are still searching, and they often save far more than the price of the pack.
It explains what qualifies and gives you a tracking sheet. Your final claim should still be checked against current HMRC guidance.
Parts of it are, but the pack assumes a new-build dwelling. Conversion-specific packs are planned.
Ask Mason
Describe your project and Mason will point you to the guidance — free — that fits your home and situation, including whether the Self Build Project Pack is worth it for you.
Start with MasonUnderstand what Building Regulations cover, when they apply, how approval works and how they differ from planning permission.
Read guideFrom first sketch to shovel-ready drawings, learn the practical steps that lead to a smooth, well-priced extension project.
Read guideA clear comparison of planning permission and Building Regulations for UK homeowners, covering what each controls, when they apply and how they work together.
Read guideA plain-English guide to structural work in the home and the Party Wall etc. Act 1996 for UK homeowners, covering when engineers are needed, what notices to serve and how to keep neighbours onside.
Read guideAnswer a few short questions about your home improvement for an early, plain-English indication of whether Building Regulations approval is likely to be required.
Open tool Interactive toolAnswer seven quick questions and see how likely planning permission, permitted development, building regulations and the Party Wall Act are for your extension.
Open tool Interactive toolDescribe your project and get tailored, plain-English guidance on the approvals, steps and risks that apply to your home.
Open toolBuildGuide Project Packs provide general guidance for homeowners in England. They are not legal advice, a planning decision or a professional design.