- Companies
- Plumbers and heating engineers
- Belfast
- DG Gas Safety Ltd
DG Gas Safety Ltd
- Company number
- NI636509
- Incorporated
- 18 Feb 201610 years trading
- Registered office
- 203 Newtownards Road, Belfast, BT4 1HB
- Nature of business
- Plumbing, heat and air-conditioning installation
DG Gas Safety Ltd is a 10-year-old private limited company registered in Belfast, company number NI636509, one of 99 plumbing and heating companies in Belfast. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £2,955 (-4%) on the year before, to £72K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £86K against £91K owed within a year: 0.9 times cover.
- 7 employees on average, up from 6 the year before.
- Balance sheets on record for 8 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £72K | £86K | £91K | 7 | |
| 28 Feb 2025 | £75K | £74K | £55K | 6 | |
| 29 Feb 2024 | £63K | £76K | £40K | 5 | |
| 28 Feb 2023 | £47K | £61K | £37K | 6 | |
| 28 Feb 2022 | £76K | £117K | £72K | 7 | |
| 28 Feb 2021 | £74K | £105K | £68K | 10 | |
| 28 Feb 2018 | £36K | £20K | £8,392 | ||
| 28 Feb 2017 | £15K | £16K | £21K |
Where DG Gas Safety Ltd is registered
The registered office is in Belfast (BT4), in the Belfast local authority area, Northern Ireland. Show BT4 1HB on a map.
Other trade companies in BT4
- C&G Electrical (NI) LtdElectricians
- Belmont & Bond LtdProperty developers
- Seaside Living LtdMotor traders
- Cleaner Holmes LtdCleaning companies
- Glenview Glass and Glazing LimitedGlaziers
- Raphael Ventures LimitedMotor traders
- Sycamore Carpentry LtdJoiners and carpenters
- Raphael Ventures Ireland LimitedMotor traders
What happens if DG Gas Safety 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- NI636509
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2016 (10 years ago)
- Registered office
- 203 Newtownards Road, Belfast, BT4 1HB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 17 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 Belfast
Other active plumbing and heating companies registered in Belfast.
- Direct Mechanical Services (2026) Ltd2026
- Dmac Gas Services Ltd2022
- Doone Plumbing and Heating Ltd2024
- Efficient Plumbing and Heating Services Ltd2021
- Elliott Plumb-Elect Ltd2014
- En-Vent Ltd2021
- Evo Plumbing Systems Ltd2021
- Fagan Pipe Installation Ltd2025
All plumbing and heating companies in Belfast · All trades in Belfast · Plumbers and heating engineers across the UK
Frequently asked questions
When are DG Gas Safety Ltd's accounts due?
DG Gas Safety Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is DG Gas Safety Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is DG Gas Safety Ltd still trading?
DG Gas Safety 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 DG Gas Safety Ltd do?
DG Gas Safety Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DG Gas Safety Ltd?
DG Gas Safety Ltd was incorporated on 18 February 2016, 10 years ago.
What is the penalty if DG Gas Safety 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 DG Gas Safety 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.