- Companies
- Plumbers and heating engineers
- Newtownards
- Signature Plumbing Specialists Limited
Signature Plumbing Specialists Limited
- Company number
- NI733374
- Incorporated
- 15 Sep 20251 year trading
- Registered office
- 10 Beechvale Road, Killinchy, Newtownards, BT23 6PH
- Nature of business
- Plumbing, heat and air-conditioning installation
Signature Plumbing Specialists Limited is a 1-year-old private limited company registered in Newtownards, company number NI733374, one of 21 plumbing and heating companies in Newtownards. Its next accounts are due at Companies House on 15 June 2027, and its first CT600 is due at HMRC on 14 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Signature Plumbing Specialists Limited is registered
The registered office is in Newtownards (BT23), in the Ards and North Down local authority area, Northern Ireland. Show BT23 6PH on a map.
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- DJH Boiler Services (2026) LtdPlumbers and heating engineers
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- JSW Siphonic Roof Drainage LtdRoofers
Also registered at this address
1 other company uses the same registered office as Signature Plumbing Specialists Limited.
- Signature Plumbing Solutions LtdPlumbers and heating engineers
What happens if Signature Plumbing Specialists 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 15 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Jun 2027 to 15 Jul 2027 | £150 |
| 1 to 3 months late | 16 Jul 2027 to 15 Sep 2027 | £375 |
| 3 to 6 months late | 16 Sep 2027 to 15 Dec 2027 | £750 |
| More than 6 months late | From 16 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- NI733374
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2025 (1 year ago)
- Registered office
- 10 Beechvale Road, Killinchy, Newtownards, BT23 6PH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 14 September 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 Newtownards
Other active plumbing and heating companies registered in Newtownards.
- Stuart George Plumbing & Heating Ltd2026
- The Boilerworks (NI) Limited2012
- Ards Comber Boiler Services Limited2026
- Bespoke Bathrooms North Down Ltd2024
- Bingham Technical Services Ltd2025
- DJH Boiler Services (2026) Ltd2026
- DJH Boiler Services Ltd2018
- Gilnahirk Boiler Services Ltd2026
All plumbing and heating companies in Newtownards · All trades in Newtownards · Plumbers and heating engineers across the UK
Frequently asked questions
When are Signature Plumbing Specialists Limited's accounts due?
Signature Plumbing Specialists Limited's next accounts are due at Companies House by 15 June 2027 (in 245 days), covering the period to 30 September 2026.
When is Signature Plumbing Specialists Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 September 2026, due by 14 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Signature Plumbing Specialists Limited still trading?
Signature Plumbing Specialists 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 Signature Plumbing Specialists Limited do?
Signature Plumbing Specialists Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Signature Plumbing Specialists Limited?
Signature Plumbing Specialists Limited was incorporated on 15 September 2025, 1 year ago.
What is the penalty if Signature Plumbing Specialists 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 Signature Plumbing Specialists 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.