What is the Construction Industry Scheme (CIS)?

Alan Bermingham

Alan Bermingham

Alan Bermingham

3 min read

Updated: 23 Jul 2024

3 min read

Updated: 23 Jul 2024

The Construction Industry Scheme (CIS) is a tax deduction scheme that involves tax being deducted at source from payments that relate to construction work.


You’re eligible to register for the scheme if you’re a self-employed construction worker. If you’re a full-time employee, the scheme does not apply to you. You can check with your company to confirm which bracket you fall under.


What’s the purpose of the Construction Industry Scheme, you ask?


In the past, self-employed construction workers (subcontractors) were paid in cash. But this meant it was hard for HMRC to track what everyone owed in tax. These difficulties led HMRC to create the CIS in 1971, allowing them to tax you on your subcontractor earnings as soon as you’re paid out by your contractor.


The types of jobs covered by CIS are:

  • Decorators
  • Demolition
  • Bricklaying
  • Carpentry
  • Scaffolding
  • Gas Engineers
  • Electricians
  • Site preparation
  • Alterations
  • And others!


Why register for CIS if you work as a subcontractor in construction?


If you’re registered for the scheme, you only have 20% tax deducted from your salary. When you’re not registered, your contractor deducts 30% from your wages. Unless you earn more than £50,270 per year, this is more than you owe, so you’ll have to claim any overpayment back at the end of the tax year. You do this by filing a tax return, which needs to be filed by 31st January the year after you worked (we can help you with this!).


Beyond the technical side of things, some contractors may not accept you to work on their site unless you’re registered with CIS, so it’s worth finding that out before inquiring about work. The contractor will verify you with HMRC before you start.


So what can you expect from the CIS rebate?


The 20% deduction usually works out as more than you owe in tax, so subcontractors can claim back a CIS tax rebate from HMRC in the April of the following tax year. For most CIS construction workers, the average refund is about £2,000+


Conclusion

Understanding the Construction Industry Scheme (CIS) is essential for contractors and subcontractors alike to navigate tax obligations efficiently. By complying with CIS regulations, individuals and businesses can avoid penalties and ensure smooth operations within the construction sector.

For comprehensive assistance with CIS compliance and tax optimization, consider utilizing the Pie Tax App. Our expert tax assistants are readily available to guide you through the intricacies of CIS and maximize your tax efficiency.

FAQs (Frequently Asked Questions)

Do I need to register for CIS if I am a subcontractor in the construction industry?

Yes, subcontractors operating in the construction sector must register for CIS with HMRC to ensure compliance with tax regulations and avoid penalties.


What is the CIS deduction rate applied to payments made by contractors?

The CIS deduction rate varies depending on the subcontractor's CIS status and whether they are registered with HMRC. Currently, the standard deduction rate is 20%, but it can be lower for registered subcontractors.


How do I verify a subcontractor's CIS registration status?

Contractors can verify a subcontractor's CIS registration status using HMRC's online verification service or by requesting verification documents directly from the subcontractor.


Can I offset CIS deductions against my tax liability?

Yes, CIS deductions made by contractors can be offset against the subcontractor's tax liability for the relevant tax year. Any excess deductions can be claimed as a refund from HMRC.


What are the consequences of non-compliance with CIS regulations?

Non-compliance with CIS regulations can result in penalties from HMRC, including fines, interest charges, and potential suspension or removal from the CIS scheme. It's crucial to ensure compliance to avoid these consequences and maintain a good standing with HMRC.

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