- Companies
- Plumbers and heating engineers
- Kilmarnock
- DMJ Heating & Gas Services Limited
DMJ Heating & Gas Services Limited
- Company number
- SC711373
- Incorporated
- 5 Oct 20215 years trading
- Registered office
- 18 Bath Street, Kilmarnock, KA3 1HY
- Nature of business
- Plumbing, heat and air-conditioning installation
DMJ Heating & Gas Services Limited is a 5-year-old private limited company registered in Kilmarnock, company number SC711373, one of 45 plumbing and heating companies in Kilmarnock. Its next accounts are due at Companies House on 5 January 2027, and its first CT600 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 £106 (-95.5%) on the year before, to £5.
- Current assets of £2,596 against £2,591 owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £5 | £2,596 | £2,591 | 0 | |
| 5 Apr 2024 | £111 | £2,156 | £2,045 | 0 | |
| 5 Apr 2023 | £46 | £5,843 | £5,797 | 0 |
Where DMJ Heating & Gas Services Limited is registered
The registered office is in Kilmarnock (KA3), in the East Ayrshire local authority area, Scotland. Show KA3 1HY on a map.
Other trade companies in KA3
- Kobe Construct LtdBuilders
- Abw Fencing LtdInstallers
- Marlie Construction Contractors LtdSpecialist contractors
- As Built Engineering LtdCivil engineering
- Vip Car Wash LimitedCleaning companies
- Elite Roofing and Rendering Ltd LtdRoofers
- Cmautomods LtdMotor traders
- D4 Sparkle & Shine Services LtdCleaning companies
What happens if DMJ Heating & Gas Services Limited 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- SC711373
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 October 2021 (5 years ago)
- Registered office
- 18 Bath Street, Kilmarnock, KA3 1HY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 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 Kilmarnock
Other active plumbing and heating companies registered in Kilmarnock.
- Elite Installs Scotland Ltd2026
- FJC Plumbing & Tiling Ltd2021
- Full Circle Heating Ltd2025
- Gaztec Services Ltd2022
- Gilmour Facility Services Limited2021
- Green Goat Renewables Ltd2023
- H.K.B. Systems Limited1985
- Handsgas (Scotland) Limited2013
All plumbing and heating companies in Kilmarnock · All trades in Kilmarnock · Plumbers and heating engineers across the UK
Frequently asked questions
When are DMJ Heating & Gas Services Limited's accounts due?
DMJ Heating & Gas Services Limited's next accounts are due at Companies House by 5 January 2027 (in 83 days), covering the period to 5 April 2026.
When is DMJ Heating & Gas Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 5 April 2026, due by 5 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is DMJ Heating & Gas Services Limited still trading?
DMJ Heating & Gas Services Limited is listed as active on the Companies House register (checked 14 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 DMJ Heating & Gas Services Limited do?
DMJ Heating & Gas Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DMJ Heating & Gas Services Limited?
DMJ Heating & Gas Services Limited was incorporated on 5 October 2021, 5 years ago.
What is the penalty if DMJ Heating & Gas Services Limited 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 DMJ Heating & Gas Services Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 14 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.