- Companies
- Plumbers and heating engineers
- Belfast
- Marshall Heating Services Ltd
Marshall Heating Services Ltd
- Company number
- NI631157
- Incorporated
- 7 May 201511 years trading
- Registered office
- Unit 593, Moat House, 54 Bloomfield Avenue, Belfast, Down, BT5 5AD
- Nature of business
- Plumbing, heat and air-conditioning installation
Marshall Heating Services Ltd is a 11-year-old private limited company registered in Belfast, company number NI631157, one of 99 plumbing and heating companies in Belfast. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £1,607 (-4.4%) on the year before, to £35K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £27K against £8,064 owed within a year: 3.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £35K | £21K | £27K | £8,064 | 1 |
| 31 May 2024 | £37K | £29K | £35K | £16K | 1 |
| 31 May 2023 | £33K | £41K | £47K | £16K | 1 |
| 31 May 2022 | £26K | £46K | £56K | £30K | 1 |
| 31 May 2021 | £27K | £71K | £81K | £54K | 0 |
| 31 May 2020 | £22K | £56K | £65K | £47K | 1 |
| 31 May 2019 | £32K | £59K | £71K | £47K | 2 |
| 31 May 2018 | £18K | £49K | £60K | £54K | |
| 31 May 2017 | £6,043 | £41K | £65K | £74K | 1 |
| 31 May 2016 | £86 | £55K | £69K | £88K |
Where Marshall Heating Services Ltd is registered
The registered office is in Belfast (BT5), in the Belfast local authority area, Northern Ireland. Show BT5 5AD on a map.
Other trade companies in BT5
- The Cleaning Guild LtdCleaning companies
- Cultra Coatings LtdPainters and decorators
- Oakley Building Developments LtdProperty developers
- Z & M Design & Building LimitedFinishing trades
- Robco Electrical LtdElectricians
- BF Tuning LtdMechanics and garages
- Bathroom Fitouts NI LtdPlumbers and heating engineers
- Strand Homes Iv LtdProperty developers
What happens if Marshall Heating 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- NI631157
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2015 (11 years ago)
- Registered office
- Unit 593, Moat House, 54 Bloomfield Avenue, Belfast, Down, BT5 5AD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 May 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.
- Mayfair Plumbers Ltd2021
- Mayne Plumbing & Heating Ltd2005
- McDowell Plumbing Services Ltd2022
- McKee and Bailie Ltd2025
- MG Gas N.I Ltd2026
- Northern Mechanical Ltd1978
- Plumbing Heating Gas Technical Services Ltd2024
- Pools & Leisure Ireland Ltd2021
All plumbing and heating companies in Belfast · All trades in Belfast · Plumbers and heating engineers across the UK
Frequently asked questions
When are Marshall Heating Services Ltd's accounts due?
Marshall Heating Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Marshall Heating Services Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Marshall Heating Services Ltd still trading?
Marshall Heating 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 Marshall Heating Services Ltd do?
Marshall Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Marshall Heating Services Ltd?
Marshall Heating Services Ltd was incorporated on 7 May 2015, 11 years ago.
What is the penalty if Marshall Heating 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 Marshall Heating 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.