- Companies
- Plumbers and heating engineers
- Newtownabbey
- DDC Plumbing & Mechanical Ltd
DDC Plumbing & Mechanical Ltd
- Company number
- NI696823
- Incorporated
- 2 May 20233 years trading
- Registered office
- 67 Ballyduff Road, Newtownabbey, BT36 6UT
- Nature of business
- Plumbing, heat and air-conditioning installation
DDC Plumbing & Mechanical Ltd is a 3-year-old private limited company registered in Newtownabbey, company number NI696823, one of 15 plumbing and heating companies in Newtownabbey. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £3,884 (+99.3%) on the year before, to £7,797.
- Current assets of £8,616 against £2,911 owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £7,797 | £8,616 | £2,911 | 1 | |
| 31 May 2025 | £3,913 | £2,229 | £1,453 | 1 | |
| 31 May 2024 | £522 | £2,493 | £1,497 | 1 |
Where DDC Plumbing & Mechanical Ltd is registered
The registered office is in Newtownabbey (BT36), in the Antrim and Newtownabbey local authority area, Northern Ireland. Show BT36 6UT on a map.
Other trade companies in BT36
- C2 Repairs LtdGlaziers
- BNB Electrical LimitedElectricians
- NI.Consultancy2026 LtdSpecialist contractors
- B2 Property Group LtdFinishing trades
- Colin McGlinchey LtdMachinery repair and installation
- Mac’S Maintenance LtdFinishing trades
- Glaze and Frame Direct LtdGlaziers
- JH Site Maintenance LtdFacilities management
What happens if DDC Plumbing & Mechanical 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- NI696823
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 May 2023 (3 years ago)
- Registered office
- 67 Ballyduff Road, Newtownabbey, BT36 6UT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 31 March 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 Newtownabbey
Other active plumbing and heating companies registered in Newtownabbey.
- Gas Design Solutions Limited2012
- Helios Gas Ltd2021
- Newline Mechanical Services Ltd2007
- Paul Darby Plumbing & Heating Ltd2003
- Plumb Gas (N.I.) Ltd2021
- Safe Gas (N.I.) Limited2012
- Tkbini Ltd2020
- TMS N.I. Ltd2022
All plumbing and heating companies in Newtownabbey · All trades in Newtownabbey · Plumbers and heating engineers across the UK
Frequently asked questions
When are DDC Plumbing & Mechanical Ltd's accounts due?
DDC Plumbing & Mechanical Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is DDC Plumbing & Mechanical Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is DDC Plumbing & Mechanical Ltd still trading?
DDC Plumbing & Mechanical 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 DDC Plumbing & Mechanical Ltd do?
DDC Plumbing & Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DDC Plumbing & Mechanical Ltd?
DDC Plumbing & Mechanical Ltd was incorporated on 2 May 2023, 3 years ago.
What is the penalty if DDC Plumbing & Mechanical 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 DDC Plumbing & Mechanical 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.