- Companies
- Plumbers and heating engineers
- Newtownards
- The Boilerworks (NI) Limited
The Boilerworks (NI) Limited
- Company number
- NI611781
- Incorporated
- 20 Mar 201214 years trading
- Registered office
- 8 Drumlin Rise, Newtownards, BT23 8YR
- Nature of business
- Plumbing, heat and air-conditioning installation
The Boilerworks (NI) Limited is a 14-year-old private limited company registered in Newtownards, company number NI611781, one of 21 plumbing and heating companies in Newtownards. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
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 £15K (+71.9%) on the year before, to £35K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £22K against £45K owed within a year: 0.5 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £35K | £22K | £45K | 2 | |
| 30 Jun 2024 | £20K | £44K | £66K | 1 | |
| 30 Jun 2023 | £16K | £34K | £53K | 0 | |
| 30 Jun 2022 | £17K | £36K | £47K | 0 | |
| 30 Jun 2021 | £25K | £34K | £36K | 0 | |
| 30 Jun 2020 | £529 | £83K | £101K | 0 | |
| 30 Jun 2019 | £7,690 | £30K | £39K | 0 | |
| 31 Mar 2018 | £5,672 | £30K | £34K | ||
| 31 Mar 2017 | £4,901 | £1,057 | £10K | £16K | |
| 31 Mar 2016 | £1,423 | £9,294 | £23K |
Where The Boilerworks (NI) Limited is registered
The registered office is in Newtownards (BT23), in the Ards and North Down local authority area, Northern Ireland. Show BT23 8YR on a map.
Other trade companies in BT23
- Ards Comber Boiler Services LimitedPlumbers and heating engineers
- B2B Brickwork LtdBuilders
- Paxco LimitedMotor traders
- Valtori LtdMotor traders
- DJH Boiler Services (2026) LtdPlumbers and heating engineers
- SK Motor Trade & Tools LtdMotor traders
- Redline Vehicle Repairs LtdMechanics and garages
- JSW Siphonic Roof Drainage LtdRoofers
What happens if The Boilerworks (NI) 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI611781
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2012 (14 years ago)
- Registered office
- 8 Drumlin Rise, Newtownards, BT23 8YR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 20 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 Newtownards
Other active plumbing and heating companies registered in Newtownards.
- 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
- GRS Plumbing and Heating Ltd2023
- Hydrogas(N.I.) Ltd2021
All plumbing and heating companies in Newtownards · All trades in Newtownards · Plumbers and heating engineers across the UK
Frequently asked questions
When are The Boilerworks (NI) Limited's accounts due?
The Boilerworks (NI) Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is The Boilerworks (NI) Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is The Boilerworks (NI) Limited still trading?
The Boilerworks (NI) 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 The Boilerworks (NI) Limited do?
The Boilerworks (NI) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is The Boilerworks (NI) Limited?
The Boilerworks (NI) Limited was incorporated on 20 March 2012, 14 years ago.
What is the penalty if The Boilerworks (NI) 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 The Boilerworks (NI) 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.