- Companies
- Plumbers and heating engineers
- Annan
- J N Heating Ltd
Company profile · Plumbers and heating engineers
J N Heating Ltd
J N Heating Ltd is a 6-year-old private limited company registered in Annan, company number SC671598, one of 5 plumbing and heating companies in Annan. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
J N Heating Ltd over the years
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 £28K on the year before, to -£28K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £7,279 against £44K owed within a year: 0.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£28K | £2,137 | £7,279 | £44K | 0 |
| 31 Aug 2024 | £11 | £6,497 | £21K | 2 | |
| 31 Aug 2023 | £622 | £9,057 | £23K | 2 | |
| 31 Aug 2022 | £4,136 | £36K | £47K | 2 | |
| 31 Aug 2021 | £1,972 | £21K | £34K | 1 |
Where J N Heating Ltd is registered
The registered office is in Annan (DG12), in the Dumfries and Galloway local authority area, Scotland. Show DG12 6RW on a map.
Other trade companies in DG12
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- Wigtonvw25 LtdMechanics and garages
- All Current Electrics LtdElectricians
- Electrical Install & Commissioning (Ei&C) LtdMachinery repair and installation
- D & G Autos Eastriggs LtdMotor traders
- Kev's Automotive LtdMechanics and garages
- PSK Auto Repairs LtdMechanics and garages
- SDC Body Repairs LimitedMechanics and garages
What happens if J N 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC671598
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2020 (6 years ago)
- Registered office
- Barnview, Johnstonelees, Annan, DG12 6RW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 18 August 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 Annan
Other active plumbing and heating companies registered in Annan.
- Solway Climate Solutions Ltd2020
- Watson Heating Service Plans Ltd2021
- Watson Plumbing & Heating Services Ltd2018
- D & G Gas Services Ltd2020
All plumbing and heating companies in Annan · All trades in Annan · Plumbers and heating engineers across the UK
Frequently asked questions
When are J N Heating Ltd's accounts due?
J N Heating Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is J N Heating Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is J N Heating Ltd still trading?
J N 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 J N Heating Ltd do?
J N Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J N Heating Ltd?
J N Heating Ltd was incorporated on 20 August 2020, 6 years ago.
What is the penalty if J N 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 J N 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.