- Companies
- Plumbers and heating engineers
- Leeds
- Shillims Ltd
Shillims Ltd
- Company number
- 15297524
- Incorporated
- 21 Nov 20232 years trading
- Registered office
- 3 Southleigh Drive, Leeds, LS11 5TR
- Nature of business
- Plumbing, heat and air-conditioning installation
Shillims Ltd is a 2-year-old private limited company registered in Leeds, company number 15297524, one of 357 plumbing and heating companies in Leeds. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 December 2024, as filed at Companies House.
Where Shillims Ltd is registered
The registered office is in Leeds (LS11), in the Leeds local authority area, Yorkshire and The Humber. Show LS11 5TR on a map.
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What happens if Shillims Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 15297524
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2023 (2 years ago)
- Registered office
- 3 Southleigh Drive, Leeds, LS11 5TR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 20 November 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Leeds
Other active plumbing and heating companies registered in Leeds.
- Shower People Limited2016
- Si Heating Ltd2025
- SKH Plumbing Ltd2026
- Smith Goodchild Limited2005
- Solar Future Limited2024
- Spartan Mechanical Services Ltd2021
- SR Installations (Yorkshire) Ltd2011
- SS Joinery, Plumbing and Building Services Limited2014
All plumbing and heating companies in Leeds · All trades in Leeds · Plumbers and heating engineers across the UK
Frequently asked questions
When are Shillims Ltd's accounts due?
Shillims Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Shillims Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Shillims Ltd still trading?
Shillims Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Shillims Ltd do?
Shillims Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Shillims Ltd?
Shillims Ltd was incorporated on 21 November 2023, 2 years ago.
What is the penalty if Shillims Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Shillims Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.