- Companies
- Electricians
- London
- Efficient Energy (Newcastle) Ltd
Efficient Energy (Newcastle) Ltd
- Company number
- 12409095
- Incorporated
- 17 Jan 20206 years trading
- Registered office
- 1-3 Portland Place, Marylebone, London, W1B 1PN
- Nature of business
- Electrical installation
Efficient Energy (Newcastle) Ltd is a 6-year-old private limited company registered in London, company number 12409095, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £1,335 (+22.8%) on the year before, to -£4,513.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£4,513 | £4,513 | 1 | ||
| 30 Apr 2024 | -£5,848 | £0 | £5,848 | 1 | |
| 30 Apr 2023 | -£6,334 | £1 | £401 | £6,735 | 1 |
| 30 Apr 2022 | -£4,134 | £1 | £4,135 | 1 | |
| 30 Apr 2021 | -£2,119 | £1 | £2,120 | 1 |
Who runs and owns Efficient Energy (Newcastle) Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** H*** | Director | Jan 2020 |
Person with significant control
Where Efficient Energy (Newcastle) Ltd is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 1PN on a map.
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- Malaysia Energy Land Bridge LimitedCivil engineering
- Melb LimitedCivil engineering
- Meridian Build Group LtdBuilders
- Aix Group Holdings LtdSpecialist contractors
- Active 24/7 Drainage & Plumbing LtdPlumbers and heating engineers
- Smith's Rural Builds LtdBuilders
What happens if Efficient Energy (Newcastle) 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 12409095
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 January 2020 (6 years ago)
- Registered office
- 1-3 Portland Place, Marylebone, London, W1B 1PN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 16 January 2026
- Previous names
- Minhoco 52 Limited (until 17 Mar 2020)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- Efficient Maintenance Limited2019
- Eg Fire Ltd2025
- Egzon Electrical Limited2025
- Eh Electrical Ltd2018
- Eicr Expert Ltd2025
- Eicr Landlord Cert Ltd2026
- Eicr Report Limited2026
- Eicrs London Limited2025
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Efficient Energy (Newcastle) Ltd's accounts due?
Efficient Energy (Newcastle) Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Efficient Energy (Newcastle) Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Efficient Energy (Newcastle) Ltd still trading?
Efficient Energy (Newcastle) 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 Efficient Energy (Newcastle) Ltd do?
Efficient Energy (Newcastle) Ltd is registered under Electrical installation (SIC 43210).
How old is Efficient Energy (Newcastle) Ltd?
Efficient Energy (Newcastle) Ltd was incorporated on 17 January 2020, 6 years ago.
Who runs Efficient Energy (Newcastle) Ltd?
Efficient Energy (Newcastle) Ltd has 1 active director, the longest-serving appointed in Jan 2020. Their names and service addresses are on the Companies House register.
Who owns Efficient Energy (Newcastle) Ltd?
One person or company has significant control of Efficient Energy (Newcastle) Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Efficient Energy (Newcastle) 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 Efficient Energy (Newcastle) 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.