- Companies
- Plumbers and heating engineers
- Magherafelt
- J & B Hamilton Limited
J & B Hamilton Limited
- Company number
- NI050269
- Incorporated
- 15 Apr 200422 years trading
- Registered office
- 102 Shore Road, Ballyronan, Magherafelt, Derry, BT45 6JG
- Nature of business
- Plumbing, heat and air-conditioning installation
J & B Hamilton Limited is a 22-year-old private limited company registered in Magherafelt, company number NI050269, one of 15 plumbing and heating companies in Magherafelt. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where J & B Hamilton Limited is registered
The registered office is in Magherafelt (BT45), in the Mid Ulster local authority area, Northern Ireland. Show BT45 6JG on a map.
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What happens if J & B Hamilton 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 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
- NI050269
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 April 2004 (22 years ago)
- Registered office
- 102 Shore Road, Ballyronan, Magherafelt, Derry, BT45 6JG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 April 2026
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 Magherafelt
Other active plumbing and heating companies registered in Magherafelt.
- Kieran Letters Plumbing & Heating Ltd2018
- Kmac Mechanical Ltd2016
- MCG Contracts Ltd2003
- Neg Plumbing and Heating Ltd2025
- P & D Ventilation Services Ltd2010
- A & S Mechanical (N.I.) Ltd2011
- Bateson Bros Ltd2011
- BC Plumbing & Heating Contracts Ltd2020
All plumbing and heating companies in Magherafelt · All trades in Magherafelt · Plumbers and heating engineers across the UK
Frequently asked questions
When are J & B Hamilton Limited's accounts due?
J & B Hamilton Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is J & B Hamilton Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is J & B Hamilton Limited still trading?
J & B Hamilton 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 J & B Hamilton Limited do?
J & B Hamilton Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J & B Hamilton Limited?
J & B Hamilton Limited was incorporated on 15 April 2004, 22 years ago.
What is the penalty if J & B Hamilton 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 J & B Hamilton 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.