Stamp Taxes: online services

Call HMRC for technical help with filing stamp tax returns online.

• From: HM Revenue & Customs
• Published: 14 May 2025
• Last updated: 19 December 2025 — See all updates

Phone

Call HMRC if you need help using the online service to submit a stamp tax return.

If your call is not urgent, you can find out information in:

• the official HMRC app
• your personal tax account or business tax account using HMRC online services

Telephone: 0300 200 3600

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays.

Opening times over Christmas and New Year

Phone line opening times over Christmas and New Year are:

• Wednesday 24 December: 8am to 4pm
• Thursday 25 December to Sunday 28 December: closed
• Monday 29 December and Tuesday 30 December: 8am to 6pm
• Wednesday 31 December: 8am to 4pm
• Thursday 1 January: closed
• Friday 2 January: 8am to 6pm

Find out about call charges

Related content

Guidance

• Stamp Duty Land Tax online and paper returns
  
• How to register for the Stamp Taxes for Agents online service

HMRC contacts

• Technical support with HMRC online services
  
• Stamp Duty Land Tax: general enquiries
  
• Stamp Duty Land Tax: forms ordering
  
• Stamp Duty Reserve Tax: enquiries
  
• Stamp Duty on shares: enquiries

Published 14 May 2025

Last updated 19 December 2025 + show all updates

1. 19 December 2025

   Phone line opening times over Christmas and New Year have been added.

2. 14 May 2025

   First published.