- Companies
- Plumbers and heating engineers
- Darlington
- Northstar Heating Ltd
Northstar Heating Ltd
- Company number
- 15142924
- Incorporated
- 17 Sep 20233 years trading
- Registered office
- Unit 13, Nestfield Industrial Estate, Darlington, DL1 2NW
- Nature of business
- Plumbing, heat and air-conditioning installation
Northstar Heating Ltd is a 3-year-old private limited company registered in Darlington, company number 15142924, one of 58 plumbing and heating companies in Darlington. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £7,613 (-19%) on the year before, to £33K.
- Current assets of £71K against £57K owed within a year: 1.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £33K | £8,751 | £71K | £57K | 3 |
| 30 Sep 2024 | £40K | £47K | £76K | £52K | 3 |
Where Northstar Heating Ltd is registered
The registered office is in Darlington (DL1), in the Darlington local authority area, North East. Show DL1 2NW on a map.
Other trade companies in DL1
- Darlo Car Wash LtdMechanics and garages
- Home by Aym LtdProperty developers
- Simply Gleaming LtdCleaning companies
- Sinead the Cleaning Lady LtdCleaning companies
- BB Optichrome LimitedCleaning companies
- JB Car & Commercials LtdMotor traders
- Egtc LtdLandscapers and gardeners
- LSS Contractors Ne LtdCivil engineering
What happens if Northstar Heating 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 15142924
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2023 (3 years ago)
- Registered office
- Unit 13, Nestfield Industrial Estate, Darlington, DL1 2NW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 4 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 Darlington
Other active plumbing and heating companies registered in Darlington.
- Nunnery Plumbing and Heating Ltd2021
- On Tap Heating Services Limited2009
- P C Plumbing and Gas Ltd2023
- P New Gas Services Ltd2022
- Poppy’S Tubing Ltd2025
- Proheat Engineering Limited2021
- RPG Rootie's Plumbing & Gas Ltd2026
- RW Gas & Heating Services Ltd2023
All plumbing and heating companies in Darlington · All trades in Darlington · Plumbers and heating engineers across the UK
Frequently asked questions
When are Northstar Heating Ltd's accounts due?
Northstar Heating Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Northstar Heating Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Northstar Heating Ltd still trading?
Northstar Heating 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 Northstar Heating Ltd do?
Northstar Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Northstar Heating Ltd?
Northstar Heating Ltd was incorporated on 17 September 2023, 3 years ago.
What is the penalty if Northstar Heating 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 Northstar Heating 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.