- Companies
- Plumbers and heating engineers
- Birmingham
- Mercia Green Energy Ltd
Mercia Green Energy Ltd
- Company number
- 13644475
- Incorporated
- 27 Sep 20215 years trading
- Registered office
- Unit 7, Castle Vale Enterprise Park Park Lane, Castle Vale, Birmingham, B35 6LJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Mercia Green Energy Ltd is a 5-year-old private limited company registered in Birmingham, company number 13644475, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 up £21K (+103.8%) on the year before, to £756.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £185K against £190K owed within a year: 1.0 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £756 | £19K | £185K | £190K | 3 |
| 30 Sep 2024 | -£20K | £4,200 | £89K | £111K | 3 |
| 30 Sep 2023 | -£19K | £4,072 | £88K | £106K | 3 |
| 30 Sep 2022 | -£22K | £14K | £31K | £50K | 4 |
Who runs and owns Mercia Green Energy Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** B*** | Director | Sep 2021 |
| N*** M*** | Director | Sep 2021 |
People with significant control (2)
Where Mercia Green Energy Ltd is registered
The registered office is in Birmingham (B35), in the Birmingham local authority area, West Midlands. Show B35 6LJ on a map.
Other trade companies in B35
- Drone Detailing LtdMechanics and garages
- R.S Motor Car Sales LtdMotor traders
- Mercia Roofing LimitedRoofers
- Thetyreshop.Co.UK LtdMotor traders
- M&A Vehicle Solutions LtdMotor traders
- Jetwash Team LtdSpecialist contractors
- Tarpov Group LtdFinishing trades
- HZG Trading LtdMotor traders
Also registered at this address
4 other companies use the same registered office as Mercia Green Energy Ltd.
- Mercia Design & Build Holdings LimitedProperty developers
- Mercia Design and Build LimitedBuilders
- Mercia Electrical Installations LtdElectricians
- Mercia Roofing LimitedRoofers
What happens if Mercia Green Energy 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 13644475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2021 (5 years ago)
- Registered office
- Unit 7, Castle Vale Enterprise Park Park Lane, Castle Vale, Birmingham, B35 6LJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 26 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 Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Meridian Heating & Plumbing Limited2017
- Miboiler Ltd2024
- Midland Air Conditioning & Facility Management Ltd2009
- Midland Air Systems Limited2005
- Midland Fire Sprinklers Ltd2019
- Midland Guys Services Limited2025
- Midlands Heating and Plumbing Ltd2014
- Midlands Rapid Plumbers Ltd2026
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mercia Green Energy Ltd's accounts due?
Mercia Green Energy Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Mercia Green Energy Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Mercia Green Energy Ltd still trading?
Mercia Green Energy Ltd is listed as active on the Companies House register (checked 13 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 Mercia Green Energy Ltd do?
Mercia Green Energy Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mercia Green Energy Ltd?
Mercia Green Energy Ltd was incorporated on 27 September 2021, 5 years ago.
Who runs Mercia Green Energy Ltd?
Mercia Green Energy Ltd has 2 active directors, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.
Who owns Mercia Green Energy Ltd?
2 people or companies have significant control of Mercia Green Energy Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Mercia Green Energy 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 Mercia Green Energy Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.