- Companies
- Plumbers and heating engineers
- Newcastle
- Ajr Heating Services Ltd
Ajr Heating Services Ltd
- Company number
- NI728076
- Incorporated
- 1 Apr 20251 year trading
- Registered office
- 18 Slievenabrock Avenue, Newcastle, Down, BT33 0HZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Ajr Heating Services Ltd is a 1-year-old private limited company registered in Newcastle, company number NI728076, one of 50 plumbing and heating companies in Newcastle. 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
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 Ajr Heating Services Ltd is registered
The registered office is in Newcastle (BT33), in the Newry, Mourne and Down local authority area, Northern Ireland. Show BT33 0HZ on a map.
Other trade companies in BT33
- Tollymore Construction LtdBuilders
- East Coast Cooling LtdPlumbers and heating engineers
- Web Assets LtdCleaning companies
- Altnadue Mechanical Services LtdPlumbers and heating engineers
- Mourne Fire & Electrical LtdElectricians
- DMK Design and Build LtdBuilders
- Hawkins Electrical Contracts LtdElectricians
- C H P Mechanical (NI) LtdPlumbers and heating engineers
What happens if Ajr Heating Services 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
- NI728076
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2025 (1 year ago)
- Registered office
- 18 Slievenabrock Avenue, Newcastle, Down, BT33 0HZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- 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 Newcastle
Other active plumbing and heating companies registered in Newcastle.
- Altnadue Mechanical Services Ltd2026
- Amg Pipework Services Ltd2013
- Apl Heating Limited2000
- Apt Heating and Renewables Ltd2025
- Ats Plumbing & Heating Ltd2003
- C H P Mechanical (NI) Ltd2026
- Coolbase Refrigeration and Air Conditioning Ltd2026
- Craig Stott Installations Limited2014
All plumbing and heating companies in Newcastle · All trades in Newcastle · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ajr Heating Services Ltd's accounts due?
Ajr Heating Services 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 Ajr Heating Services 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 Ajr Heating Services Ltd still trading?
Ajr Heating Services 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 Ajr Heating Services Ltd do?
Ajr Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ajr Heating Services Ltd?
Ajr Heating Services Ltd was incorporated on 1 April 2025, 1 year ago.
What is the penalty if Ajr Heating Services 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 Ajr Heating Services 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.