- Companies
- Plumbers and heating engineers
- Belfast
- SM Plumbing and Gas Services Ltd
SM Plumbing and Gas Services Ltd
- Company number
- NI686423
- Incorporated
- 8 Mar 20224 years trading
- Registered office
- Legal & Financial House, 137 York Road, Belfast, BT15 3GZ
- Nature of business
- Plumbing, heat and air-conditioning installation
SM Plumbing and Gas Services Ltd is a 4-year-old private limited company registered in Belfast, company number NI686423, one of 99 plumbing and heating companies in Belfast. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 up £18K (+169.6%) on the year before, to £29K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £46K against £45K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £29K | £46K | £45K | 1 | |
| 31 Mar 2025 | £11K | £36K | £30K | 1 | |
| 31 Mar 2024 | £4,984 | £21K | £41K | 1 | |
| 31 Mar 2023 | £8,166 | £82K | £88K | 1 |
Where SM Plumbing and Gas Services Ltd is registered
The registered office is in Belfast (BT15), in the Belfast local authority area, Northern Ireland. Show BT15 3GZ on a map.
Other trade companies in BT15
- Amc Construction & Joinery LimitedBuilders
- Belfast Renovations LtdBuilders
- JBC Motors LtdMotor traders
- LDL Automotive LtdMechanics and garages
- Imo Bespoke Finishes LimitedJoiners and carpenters
- Modern Day Properties LtdProperty developers
- Brothers Hand Car Wash LtdMechanics and garages
- JH Carpets LimitedCleaning companies
Also registered at this address
10 other companies use the same registered office as SM Plumbing and Gas Services Ltd.
- GM Building & Joinery LtdJoiners and carpenters
- Halcyon Floor Sanding LtdFloor and wall tilers
- Heating Solutions (2018) LtdPlumbers and heating engineers
- M Connolly Electrical LtdElectricians
- McCready & Wallace Electrical LimitedElectricians
- Nicalo Consulting LtdBuilders
- RMCC Building LimitedBuilders
- Torque Syr LtdMotor traders
- Trade Flooring NI LimitedInstallers
- Turkington Decorators LtdPainters and decorators
What happens if SM Plumbing and Gas 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- NI686423
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2022 (4 years ago)
- Registered office
- Legal & Financial House, 137 York Road, Belfast, BT15 3GZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 7 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 Belfast
Other active plumbing and heating companies registered in Belfast.
- Smash Vent Ltd2024
- Solar NRG Limited2022
- Spares Direct Belfast Ltd2016
- Stephen Davidson Gas Engineer Ltd2026
- Stephen Meneely Gas & Plumbing Ltd2013
- Surge Renewables Ltd2022
- Taylor Heating & Plumbing Limited1995
- Team Aqua Plumbing Services Ltd2020
All plumbing and heating companies in Belfast · All trades in Belfast · Plumbers and heating engineers across the UK
Frequently asked questions
When are SM Plumbing and Gas Services Ltd's accounts due?
SM Plumbing and Gas Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is SM Plumbing and Gas Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is SM Plumbing and Gas Services Ltd still trading?
SM Plumbing and Gas 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 SM Plumbing and Gas Services Ltd do?
SM Plumbing and Gas Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SM Plumbing and Gas Services Ltd?
SM Plumbing and Gas Services Ltd was incorporated on 8 March 2022, 4 years ago.
What is the penalty if SM Plumbing and Gas 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 SM Plumbing and Gas 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.