- Companies
- Plumbers and heating engineers
- Swansea
- Michael Baker Boiler Maintenance Limited
Michael Baker Boiler Maintenance Limited
- Company number
- 05348551
- Incorporated
- 1 Feb 200521 years trading
- Registered office
- 4 High Street, Pontardawe, Swansea, SA8 4HU
- Nature of business
- Plumbing, heat and air-conditioning installation
Michael Baker Boiler Maintenance Limited is a 21-year-old private limited company registered in Swansea, company number 05348551, one of 148 plumbing and heating companies in Swansea. 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 down £28K (-28.8%) on the year before, to £70K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £84K against £17K owed within a year: 4.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £70K | £84K | £17K | 2 | |
| 31 Mar 2025 | £99K | £112K | £19K | 2 | |
| 31 Mar 2024 | £112K | £126K | £19K | 2 | |
| 31 Mar 2023 | £94K | £109K | £23K | 2 | |
| 31 Mar 2022 | £90K | £105K | £25K | 2 | |
| 31 Mar 2021 | £100K | £115K | £27K | 2 | |
| 31 Mar 2020 | £72K | £97K | £20K | 2 | |
| 31 Mar 2019 | £55K | £74K | £74K | £21K | 2 |
| 31 Mar 2018 | £39K | £57K | £57K | £20K | 2 |
| 31 Mar 2017 | £35K | £52K | £52K | £20K | 2 |
Where Michael Baker Boiler Maintenance Limited is registered
The registered office is in Swansea (SA8), in the Neath Port Talbot local authority area, Wales. Show SA8 4HU on a map.
Other trade companies in SA8
- Pontardawe Hand Car Wash LtdCleaning companies
- BM Carpentry Solutions LimitedJoiners and carpenters
- MS Julian Building Services LimitedProperty developers
- 2MR Property LtdProperty developers
- Davies Groundworks and Construction LtdBuilders
- NJH Car Sales LimitedMotor traders
- The Cleaning Signature LimitedCleaning companies
- Olitill Property Development LtdProperty developers
Shared registered office
32 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Michael Baker Boiler Maintenance 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 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
- 05348551
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 February 2005 (21 years ago)
- Registered office
- 4 High Street, Pontardawe, Swansea, SA8 4HU
- 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
- 29 January 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 Swansea
Other active plumbing and heating companies registered in Swansea.
- MKLW Group Ltd2023
- Morstone Plumbing & Heating Ltd2026
- Mumbles Gas Services Ltd2015
- N.A.D Plumbing Limited2015
- Nexosters Ltd2026
- Next Gen Heating Ltd2025
- Nuvive Property.Services Ltd2025
- Optimal Plumbing Heating & Gas Services Limited2025
All plumbing and heating companies in Swansea · All trades in Swansea · Plumbers and heating engineers across the UK
Frequently asked questions
When are Michael Baker Boiler Maintenance Limited's accounts due?
Michael Baker Boiler Maintenance Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Michael Baker Boiler Maintenance Limited'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 Michael Baker Boiler Maintenance Limited still trading?
Michael Baker Boiler Maintenance Limited 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 Michael Baker Boiler Maintenance Limited do?
Michael Baker Boiler Maintenance Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Michael Baker Boiler Maintenance Limited?
Michael Baker Boiler Maintenance Limited was incorporated on 1 February 2005, 21 years ago.
What is the penalty if Michael Baker Boiler Maintenance 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 Michael Baker Boiler Maintenance Limited 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.