Invoice app for builders in Birmingham
Stage invoices, variations, CIS deductions — multi-month projects tracked through a single WhatsApp thread.
£29.99/mo · 7 days free · no card needed
Start Free on WhatsAppA real Birmingham builder’s voice note:
"Mr Singh, Moseley Birmingham, kitchen extension stage two, fourteen thousand, variation for the skylight two-fifty."
What builders in Birmingham actually have to log on a job
- CIS deductions — Subby gross/net flagged automatically on every invoice; monthly CIS300 export ready for your accountant.
- Stage payments & retentions — Valuation 1, 2, 3… each as its own invoice; final 5% retention auto-scheduled.
- Building Control sign-off — BC reference and inspector name attach to the invoice as a note.
- Materials vs labour split — VAT-correct lines so the client can claim back where eligible.
- Variations & day-works — Voice-note a variation, Holdfort drops it as a separate dated line so you don’t lose it at final account.
What builders in Birmingham actually deal with
Severn Trent Water across Birmingham and most of the West Midlands
Birmingham Clean Air Zone (CAZ-D) covers the city-centre A4540 ring road — £8 per day for non-compliant vans. Register with the government portal or you’ll get auto-fined.
Birmingham City Council plus the seven West Midlands metropolitan districts. Building Control is delivered via BCC’s own service or approved inspectors.
Edwardian and inter-war semi-detached dominate the suburbs; tower blocks and back-of-pavement terraces still common in inner-city areas; increasingly high-density new-build around the Colmore Business District and Perry Barr.
Serving Moseley, Harborne, Edgbaston, Kings Heath, Solihull and the rest of West Midlands. The CAZ forces many older trade vans into the daily-charge zone or off-site parking. More than one Birmingham spark I know now quotes two prices: "inside the ring road" and "outside it".
Birmingham sits slightly below national average — £45–£75 for most trades’ callouts, with premium for CAZ entry. Holdfort doesn’t set your prices — your rates are yours — but it stops you from losing track of what’s owed, what’s paid, and what’s been expensed along the way. All through WhatsApp. No app to install, no portal to log into.
Questions from Birmingham builders
Yes. Mark a payee as a CIS sub-contractor once and every invoice splits gross/net, deduction rate and verification number — all exportable to CIS300 at year-end.
Yes — voice-note "valuation 2 of 4, plus retention 5%" and Holdfort produces both as linked invoices on a single project so the running total stays accurate.
Voice-note it as a line: "plus eight pounds CAZ day pass" — Holdfort adds the line item. Most Birmingham customers are fine with it, especially business customers who’d pay it anyway.
Yes — developers and letting agents love a fast branded PDF because it gets reviewed and paid inside their usual 28-day cycle. Several Birmingham builders use Holdfort to bill stage payments to developers on Colmore Row refurbs.
If you’re a WIAPS-approved plumber, your approval number prints on the invoice footer. No separate cert upload, no separate portal — it’s just text on the PDF.
Yes — quarterly-ready breakdowns and sole-trader categories. Required for self-employed earners over the MTD threshold from April 2026. See the MTD guide.
£29.99 per month, all in. 7 days free, no card needed to start. Founding-member price locked for life.
Birmingham builder? Finish the job. Voice note the rest.
7 days free. 30 seconds to set up. Just WhatsApp.
Start Free on WhatsAppHold the fort. We’ve got the paperwork.