Invoicing app for UK plasterers pricing day rates, skims and full rooms
Speak the room, the sqm, the coats and the bag count. Fixxa turns it into a proper quote so you're not scribbling on a bit of plasterboard offcut. Send on WhatsApp before you leave.
Quick answer
Fixxa is a voice-first invoicing app for UK plasterers. Dictate skims, float and set, external render or dry lining jobs — price them by day rate or by sqm. Send professional quotes and invoices via WhatsApp with a faster payment link, and keep digital records ready for MTD for Income Tax.
Why plasterers choose Fixxa
- Built for UK plasterers and renderers
- Quote by day rate or by sqm, whichever fits the job
- Materials priced separately from labour
- Send quotes and invoices via WhatsApp
- Faster payment links for card payments
- £19.99/month, £190/year, 14-day free trial
How it works
1. Speak the job
Dictate room sizes, coats, bag count, prep work and day rate. Fixxa builds the quote in seconds.
2. Send on WhatsApp
Quote goes to the customer with a photo of the space if you want. They approve on their phone.
3. Invoice on sign-off
Turn the quote into an invoice at the end of the job. Faster payment link, card in, done.
Key benefits
Day rate or job price, no arguments
Save both structures. Some customers want a fixed price, some understand day rates. Give them what they want without redoing the maths.
Materials priced properly
Bag count, PVA, beads, scrim — line them out separately so materials mark-up is visible and defensible.
Same-day quote wins the job
A quote written in the van at 4pm and sent on WhatsApp beats an email from a competitor three days later. Every time.
Digital records for MTD
Every job is stored. When quarterly updates apply, your income figures are ready.
Built for plasterers
- Full room skims and finishes
- Float and set on new build extensions
- External render (silicone, sand and cement, K-rend)
- Dry lining and stud walls
- Repair patches and small fill jobs
- Ceiling repairs and artex removal
Real plasterers jobs, quoted by voice
Skim over artex, 2 rooms
Speak the sqm, PVA, two coats, day and a half labour. Materials line: 6 bags multi-finish, 5L PVA. Quote goes on WhatsApp before the kettle boils.
New extension float and set
Break it into ceiling, walls, reveals. Day rate for two labourers over three days plus materials. Deposit invoice for the sand and cement up front.
External silicone render on gable
Sqm price, scaffold quoted separately, primer and topcoat itemised. Staged invoicing: deposit for materials, second on completion.
Small ceiling patch, £120 job
Voice invoice done in the van. Faster payment link on WhatsApp. Money in before the next job.
Common quoting and invoicing mistakes
Underquoting materials
Multi-finish bags, PVA, scrim, beads add up. Save them as line items with realistic supply-plus-margin pricing.
Vague day rates
'One day' is not a line item. Write it as '1 day skilled plasterer at £X' so customers see the value, not just the number.
No deposit on materials-heavy jobs
Render and dry lining tie up hundreds in materials. Deposit invoice with a card link means you're not funding the customer's job.
Forgetting scaffold or access costs
External work needs it and someone pays for it. Line-item it out so it's not an argument at invoice time.
Practical workflow tips
- Save your standard materials pack (multi-finish, PVA, scrim, beads) as reusable line items
- Have a fixed day rate for plasterer, labourer and second man saved as separate lines
- Attach a photo of the finished wall to the WhatsApp invoice
- For render jobs, always quote scaffold or access separately
Trust and compliance
Trade certifications (CSCS, K-rend and similar system approvals) remain the plasterer's responsibility. Fixxa handles the quoting, invoicing and payment side of the business.
Simple pricing
Fixxa is £19.99/month or £190/year (2 months free). Includes voice quoting and invoicing, faster payment links, reminders and exports. 14-day free trial, cancel anytime. See full details on the pricing section.
Frequently asked questions
Yes. Save your day rates as line items (skilled plasterer, labourer, second man) and add them per day. Or price the whole job — Fixxa does both.
List materials as a separate line at your supply-plus-margin price. Customers who want detail see it. Your labour line stays clean.
Send a deposit invoice with a faster payment link. The customer taps and pays by card. You get the money before you buy the bags.
Yes. Every quote, invoice and payment is a digital record. When MTD quarterly updates apply, your income totals are ready.
£19.99/month or £190/year (2 months free). 14-day free trial, no card needed.
Related guides
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