- Companies
- Plumbers and heating engineers
- Royston
- Robert James Systems Limited
Robert James Systems Limited
- Company number
- 05653242
- Incorporated
- 13 Dec 200520 years trading
- Registered office
- 43 Barkway Road, Royston, SG8 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation
Robert James Systems Limited is a 20-year-old private limited company registered in Royston, company number 05653242, one of 24 plumbing and heating companies in Royston. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Robert James Systems Limited is registered
The registered office is in Royston (SG8), in the North Hertfordshire local authority area, East of England. Show SG8 9EB on a map.
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What happens if Robert James Systems Limited 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 05653242
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2005 (20 years ago)
- Registered office
- 43 Barkway Road, Royston, SG8 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 13 December 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 Royston
Other active plumbing and heating companies registered in Royston.
- RVR Utilities Ltd2025
- Temple Maintenance Limited2000
- The Royston Plumbing & Heating Company Ltd2019
- Thompson Plumbing and Gas Ltd2024
- Wellco Heating Limited2023
- A to Z External Solutions Ltd2025
- BG Boiler Servicing Ltd2025
- Bti Plumbing and Heating Ltd2017
All plumbing and heating companies in Royston · All trades in Royston · Plumbers and heating engineers across the UK
Frequently asked questions
When are Robert James Systems Limited's accounts due?
Robert James Systems Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Robert James Systems Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Robert James Systems Limited still trading?
Robert James Systems Limited 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 Robert James Systems Limited do?
Robert James Systems Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Robert James Systems Limited?
Robert James Systems Limited was incorporated on 13 December 2005, 20 years ago.
What is the penalty if Robert James Systems Limited 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 Robert James Systems Limited 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.