CIS | Croydon
Croydon's Cranes Are Back: Do the 30-Second Deduction Check Before Your Next Payment
Croydon's long-promised regeneration is visibly moving again: town-centre schemes restarting, residential towers rising and the steady refurb economy of CR0 underneath it all. New schemes mean new contractors, and new contractors mean fresh CIS verification, which is where Croydon trades quietly lose money. One 30-second check protects you.
The 30-second check
Take your latest payment statement. Find the deduction line. Divide it by your labour amount. If it is 20 per cent, you are verified correctly. If it is 30 per cent, your details failed verification and you are on the emergency rate: an extra tenth of your labour income parked with HMRC until your next return.
Why good trades end up on 30 per cent
- Name on the contractor's system differs from HMRC's record (spelling, order, married name).
- UTR mistyped at onboarding, or a National Insurance number given where the UTR belonged.
- CIS registration never completed (Self-Assessment alone is not enough).
- Old address or a closed business confusing the match.
Getting the money back
The excess is never lost: every deducted pound credits against your bill at filing, and over-deductions come back in the refund. Crucially, returns can reach back up to four tax years, so long-standing 30 per cent cases often hold £2,000 to £6,000 of recoverable excess on top of the normal expense-driven refund. The registration fix itself takes minutes once we are appointed.
Joining one of the new town-centre schemes? Give the exact name and UTR HMRC holds, in writing, at onboarding, and check the first statement. Two minutes of care beats a year at the wrong rate.
Estimate your total position with the refund calculator, or see CIS accountant in Croydon.
Frequently Asked Questions
I checked: 30 per cent for over a year. How much is recoverable?
Roughly 10 per cent of your labour income for the affected period, plus the normal expense-driven refund. Multi-year cases are why some Croydon refunds surprise people.
Whose fault is the wrong rate, mine or the contractor's?
Usually a details mismatch rather than anyone's malice. The contractor must deduct 30 per cent when verification fails; the fix is correcting the registration and re-verifying.
Can the contractor just switch me back to 20 per cent?
Only after a successful re-verification with HMRC. Once your details are corrected, they re-verify and the rate changes for future payments.
Does the 30 per cent rate affect my expenses claim?
No. Expenses work identically; the rate only changes how much was taken at source, and therefore how big the repayment is.
South London site-hopping: what travel counts?
Home to temporary sites, between sites, and merchant runs across CR0 and beyond, at 45p per mile for the first 10,000. The refurb economy's small jobs add up fast.
I'm starting on a tower scheme next month. Checklist?
Exact name and UTR in writing, CIS registration confirmed active, mileage log from day one, statements filed monthly, first statement checked for 20 per cent.
Years behind on returns as well. Same process?
Yes, and it compounds in your favour: catch-up years plus recovered over-deductions often wipe penalties and leave a balance owed to you.
How fast can this be sorted?
Verification fixes within days of appointment; refunds 4 to 6 weeks after filing. The 30-second check costs nothing today.
Statement showing 30 per cent in Croydon?
Send a photo of it to a free 15-minute call and we will tell you exactly what is recoverable, going back up to four years.
Or email info@yourtaxhelp.co.uk | CIS accountant in Croydon
General guidance only. Not personal tax advice. Contact us for advice specific to your situation. Figures relate to the 2025/26 tax year unless otherwise stated.