- Companies
- Electricians
- Portsmouth
- Coastal Electrical Installations Ltd
Coastal Electrical Installations Ltd
- Company number
- 12719937
- Incorporated
- 5 Jul 20206 years trading
- Registered office
- 1ST Floor 50 High Street, Cosham, Portsmouth, Hampshire, PO6 3AG
- Nature of business
- Electrical installation
Coastal Electrical Installations Ltd is a 6-year-old private limited company registered in Portsmouth, company number 12719937, one of 148 electrical contractors in Portsmouth. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £251 (-10%) on the year before, to £2,255.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £25K against £26K owed within a year: 0.9 times cover.
- 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 Jun 2025 | £2,255 | £6,699 | £25K | £26K | 1 |
| 30 Jun 2024 | £2,506 | £2,076 | £11K | £11K | 1 |
| 30 Jun 2023 | £147 | £2,048 | £9,566 | £14K | 1 |
| 30 Jun 2022 | £105 | £4,606 | £10K | £15K | 0 |
| 30 Jun 2021 | £8,612 | £4,895 | £6,681 | £4,819 | 3 |
Who runs and owns Coastal Electrical Installations Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Jul 2020 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| P*** D*** | Director | Jul 2020 | Aug 2022 |
Person with significant control
Where Coastal Electrical Installations Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3AG on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
Also registered at this address
11 other companies use the same registered office as Coastal Electrical Installations Ltd.
- Auto Innovations (Southampton) LtdMechanics and garages
- Jba Plumbing & Heating LimitedPlumbers and heating engineers
- Just Automotive (South) LtdMechanics and garages
- Newcomen Road Garage LimitedMechanics and garages
- Paul`S Property Services LimitedFinishing trades
- Retail Comm Solutions LtdElectricians
- Rew Auto Services LimitedMechanics and garages
- Stephen G. Webb LimitedJoiners and carpenters
- Taylored Cleaning LtdCleaning companies
- Woodridge Roofing LtdRoofers
- Y-Innovation LtdElectricians
What happens if Coastal Electrical Installations 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12719937
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2020 (6 years ago)
- Registered office
- 1ST Floor 50 High Street, Cosham, Portsmouth, Hampshire, PO6 3AG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 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 Portsmouth
Other active electrical contractors registered in Portsmouth.
- Conlex Electrical Services Limited2025
- Crescent Power Ltd2017
- CSL Electrical (Southern) Ltd2015
- D Squared Electrical Services Ltd2013
- Darvill Ltd2024
- DCJ Electrical Ltd2025
- Design Electric Ltd2000
- Detection Fire & Security Ltd2021
All electrical contractors in Portsmouth · All trades in Portsmouth · Electricians across the UK
Frequently asked questions
When are Coastal Electrical Installations Ltd's accounts due?
Coastal Electrical Installations Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Coastal Electrical Installations Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Coastal Electrical Installations Ltd still trading?
Coastal Electrical Installations 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 Coastal Electrical Installations Ltd do?
Coastal Electrical Installations Ltd is registered under Electrical installation (SIC 43210).
How old is Coastal Electrical Installations Ltd?
Coastal Electrical Installations Ltd was incorporated on 5 July 2020, 6 years ago.
Who runs Coastal Electrical Installations Ltd?
Coastal Electrical Installations Ltd has 1 active director, the longest-serving appointed in Jul 2020. Their names and service addresses are on the Companies House register.
Who owns Coastal Electrical Installations Ltd?
One person or company has significant control of Coastal Electrical Installations Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Coastal Electrical Installations 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 Coastal Electrical Installations 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.