- Companies
- Plumbers and heating engineers
- Dungannon
- Coolchain Air Conditioning Ltd
Coolchain Air Conditioning Ltd
- Company number
- NI611089
- Incorporated
- 9 Feb 201214 years trading
- Registered office
- 24 Tullyreavy Road, Rock, Dungannon, Co Tyrone, BT70 3JN
- Nature of business
- Plumbing, heat and air-conditioning installation
Coolchain Air Conditioning Ltd is a 14-year-old private limited company registered in Dungannon, company number NI611089, one of 30 plumbing and heating companies in Dungannon. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £32K (+17.9%) on the year before, to £211K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £223K against £48K owed within a year: 4.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £211K | £75K | £223K | £48K | 3 |
| 31 Jan 2024 | £179K | £200K | £285K | £74K | 3 |
| 31 Jan 2023 | £174K | £288K | £357K | £87K | 3 |
| 31 Jan 2022 | £176K | £177K | £359K | £99K | 4 |
| 31 Jan 2021 | £128K | £127K | £375K | £154K | 4 |
| 31 Jan 2020 | £6,038 | £53K | £176K | £64K | 4 |
Where Coolchain Air Conditioning Ltd is registered
The registered office is in Dungannon (BT70), in the Mid Ulster local authority area, Northern Ireland. Show BT70 3JN on a map.
Other trade companies in BT70
- MCG Brickwork (Irl) LtdBuilders
- Creteworx (N.I.) LtdCivil engineering
- Ralph Burrows & Sons LtdSpecialist contractors
- Tyrone Bricklayers LtdBuilders
- D Blake Electrical LtdElectricians
- Harform LtdCivil engineering
- McNally Groundworks LtdGroundworks and demolition
- Top Landscapes & Gardening LimitedLandscapers and gardeners
What happens if Coolchain Air Conditioning 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- NI611089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2012 (14 years ago)
- Registered office
- 24 Tullyreavy Road, Rock, Dungannon, Co Tyrone, BT70 3JN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 9 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 Dungannon
Other active plumbing and heating companies registered in Dungannon.
- HTC Mechanical Services Limited2007
- Im McCluskey Ltd2003
- Jamm Utilities Ltd2012
- JBL Heating & Plumbing Ltd2024
- Joe Weir Engineering Ltd2007
- Kelly Mechanical Services (NI) Ltd2020
- Loughshore Plumbing & Electrical Ltd2011
- MC Ginn Mechanical Ltd2025
All plumbing and heating companies in Dungannon · All trades in Dungannon · Plumbers and heating engineers across the UK
Frequently asked questions
When are Coolchain Air Conditioning Ltd's accounts due?
Coolchain Air Conditioning Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Coolchain Air Conditioning Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Coolchain Air Conditioning Ltd still trading?
Coolchain Air Conditioning 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 Coolchain Air Conditioning Ltd do?
Coolchain Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coolchain Air Conditioning Ltd?
Coolchain Air Conditioning Ltd was incorporated on 9 February 2012, 14 years ago.
What is the penalty if Coolchain Air Conditioning 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 Coolchain Air Conditioning 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.