- Companies
- Electricians
- Harrow
- Coliemore Electrical Services Limited
Coliemore Electrical Services Limited
- Company number
- 11176100
- Incorporated
- 29 Jan 20188 years trading
- Registered office
- 82 Bishop Ken Road, Harrow, Middlesex, HA3 7HR
- Nature of business
- Electrical installation
Coliemore Electrical Services Limited is a 8-year-old private limited company registered in Harrow, company number 11176100, one of 200 electrical contractors in Harrow. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £4,878 (-13%) on the year before, to £33K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £33K | £33K | 2 | ||
| 31 Jan 2025 | £37K | £37K | 2 | ||
| 31 Jan 2024 | £38K | £38K | 2 | ||
| 31 Jan 2023 | £35K | £35K | 2 | ||
| 31 Jan 2022 | £29K | £29K | 2 | ||
| 31 Jan 2021 | £13K | £213 | £12K | £1,211 | 2 |
| 31 Jan 2020 | £18K | £6,606 | £30K | £13K | 2 |
| 31 Jan 2019 | £4,655 | £45 | £13K | £8,818 | 2 |
Where Coliemore Electrical Services Limited is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 7HR on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Coliemore Electrical Services 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11176100
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2018 (8 years ago)
- Registered office
- 82 Bishop Ken Road, Harrow, Middlesex, HA3 7HR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 28 January 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 Harrow
Other active electrical contractors registered in Harrow.
- Combined Electricals Limited1993
- Commercial Domestic Property Maintenance Ltd2021
- Copperbridge Engineering Ltd2026
- Corvex Network Ltd2026
- Coup Electrical Ltd2025
- D G Electrical Ltd2011
- Dashla Electrical Services Limited2014
- DC Connect Ltd2025
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are Coliemore Electrical Services Limited's accounts due?
Coliemore Electrical Services Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Coliemore Electrical Services Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Coliemore Electrical Services Limited still trading?
Coliemore Electrical Services 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 Coliemore Electrical Services Limited do?
Coliemore Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is Coliemore Electrical Services Limited?
Coliemore Electrical Services Limited was incorporated on 29 January 2018, 8 years ago.
What is the penalty if Coliemore Electrical Services 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 Coliemore Electrical Services 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.