- Companies
- Electricians
- Altrincham
- Interpower Limited
Interpower Limited
- Company number
- 03406936
- Incorporated
- 22 Jul 199729 years trading
- Registered office
- N C Rowlinson & Co Downs Court Business Centre, 29-31 the Downs, Altrincham, WA14 2QD
- Nature of business
- Electrical installation
Interpower Limited is a 29-year-old private limited company registered in Altrincham, company number 03406936, one of 32 electrical contractors in Altrincham. 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 down £2,170 (-8.4%) on the year before, to -£28K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £6,831 against £35K owed within a year: 0.2 times cover.
- 5 employees 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 Jul 2025 | -£28K | £3,345 | £6,831 | £35K | 5 |
| 31 Jul 2024 | -£26K | £477 | £9,530 | £45K | 5 |
| 31 Jul 2023 | -£27K | £4,139 | £9,289 | £50K | 7 |
| 31 Jul 2022 | £4,885 | £13K | £38K | £46K | 7 |
| 31 Jul 2021 | -£8,317 | £15K | £22K | £49K | 7 |
| 31 Jul 2020 | -£17K | £6,137 | £13K | £37K | 7 |
| 31 Jul 2019 | -£15K | £4,333 | £16K | £37K | 7 |
| 31 Jul 2018 | -£14K | £1,216 | £19K | £37K | |
| 31 Jul 2017 | -£16K | £21 | £11K | £30K | |
| 31 Jul 2016 | -£12K | £780 | £13K | £26K |
Where Interpower Limited is registered
The registered office is in Altrincham (WA14), in the Trafford local authority area, North West. Show WA14 2QD on a map.
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- 21 Build LimitedProperty developers
- Mrjackson Construction LtdBuilders
- Jak Steel Fabrication LimitedSpecialist contractors
- Imperium Business Group LtdProperty developers
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Also registered at this address
16 other companies use the same registered office as Interpower Limited.
- Am Autos Commercial Servicing and Repairs LimitedMechanics and garages
- Delko Installations LimitedInstallers
- Groma Engineering LtdCivil engineering
- Hine Projects LtdFinishing trades
- J G Woolfe Civil Engineering LimitedCivil engineering
- Kentmere Automotive LimitedMotor traders
- Ned Civil Engineering LimitedCivil engineering
- PJC Scaffolding Solutions LimitedScaffolders
- Prism Engineering LtdCivil engineering
- Resin Floor Design LimitedInstallers
- SPJ Construction LtdBuilders
- SPM Contracting Services LtdSpecialist contractors
- TRH Engineering LimitedCivil engineering
- Ultimate Builds LtdFinishing trades
- Wilform Construction LtdFinishing trades
- York Lodge Developments LimitedProperty developers
What happens if Interpower 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 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
- 03406936
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 1997 (29 years ago)
- Registered office
- N C Rowlinson & Co Downs Court Business Centre, 29-31 the Downs, Altrincham, WA14 2QD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 22 July 2026
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 Altrincham
Other active electrical contractors registered in Altrincham.
- Jki Electrical Limited2013
- Joel Hurst Electrical Services Ltd2017
- K.P. Loughran Electrical Limited2014
- Kennedy Renewables Commercial Solar Limited2024
- LDK Electrical & Security Services Limited2017
- Powerhub Solutions Ltd2021
- Repower Services Ltd.2017
- Rly Electrical Engineering Limited2021
All electrical contractors in Altrincham · All trades in Altrincham · Electricians across the UK
Frequently asked questions
When are Interpower Limited's accounts due?
Interpower Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Interpower Limited'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 Interpower Limited still trading?
Interpower 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 Interpower Limited do?
Interpower Limited is registered under Electrical installation (SIC 43210).
How old is Interpower Limited?
Interpower Limited was incorporated on 22 July 1997, 29 years ago.
What is the penalty if Interpower 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 Interpower 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.