- Companies
- Plumbers and heating engineers
- Newtownabbey
- Belfast Boiler Installations Ltd
Belfast Boiler Installations Ltd
- Company number
- NI676938
- Incorporated
- 1 Mar 20215 years trading
- Registered office
- 9 Colinton Gardens, Newtownabbey, BT36 7JH
- Nature of business
- Plumbing, heat and air-conditioning installation
Belfast Boiler Installations Ltd is a 5-year-old private limited company registered in Newtownabbey, company number NI676938, one of 15 plumbing and heating companies in Newtownabbey. 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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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 down £2 (-2.1%) on the year before, to £92.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £11K against £12K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £92 | £11K | £12K | 1 | |
| 31 Mar 2024 | £94 | £9,523 | £11K | 1 | |
| 31 Mar 2023 | £16 | £11K | £14K | 1 | |
| 31 Mar 2022 | £627 | £26 | £2,432 | 1 |
Where Belfast Boiler Installations Ltd is registered
The registered office is in Newtownabbey (BT36), in the Belfast local authority area, Northern Ireland. Show BT36 7JH 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 Belfast Boiler Installations 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 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
- NI676938
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 March 2021 (5 years ago)
- Registered office
- 9 Colinton Gardens, Newtownabbey, BT36 7JH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 February 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.
- Belfast Cooling Specialists Ltd2024
- Belfast Heating Ltd2019
- Bespoke Plumbing and Heating Limited2017
- Complete Gas Services Belfast Ltd2020
- DDC Plumbing & Mechanical Ltd2023
- Gas Design Solutions Limited2012
- Helios Gas Ltd2021
- Newline Mechanical Services Ltd2007
All plumbing and heating companies in Newtownabbey · All trades in Newtownabbey · Plumbers and heating engineers across the UK
Frequently asked questions
When are Belfast Boiler Installations Ltd's accounts due?
Belfast Boiler Installations Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Belfast Boiler Installations Ltd'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 Belfast Boiler Installations Ltd still trading?
Belfast Boiler Installations 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 Belfast Boiler Installations Ltd do?
Belfast Boiler Installations Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Belfast Boiler Installations Ltd?
Belfast Boiler Installations Ltd was incorporated on 1 March 2021, 5 years ago.
What is the penalty if Belfast Boiler Installations 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 Belfast Boiler Installations 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.