- Companies
- Electricians
- Caerphilly
- Isb Electrical Services Ltd
Isb Electrical Services Ltd
- Company number
- 06810419
- Incorporated
- 5 Feb 200917 years trading
- Registered office
- 1 Penylan Road, Argoed Blackwood, Caerphilly, NP12 0AU
- Nature of business
- Electrical installation
Isb Electrical Services Ltd is a 17-year-old private limited company registered in Caerphilly, company number 06810419, one of 43 electrical contractors in Caerphilly. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £124K (+11.5%) on the year before, to £1.2M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £480K against £95K owed within a year: 5.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £1.2M | £160K | £480K | £95K | 1 |
| 28 Feb 2025 | £1.1M | £188K | £339K | £120K | 1 |
| 29 Feb 2024 | £1M | £36K | £273K | £134K | 1 |
| 28 Feb 2023 | £819K | £24K | £115K | £100K | 0 |
| 28 Feb 2022 | £783K | £124K | £238K | £140K | 0 |
| 28 Feb 2021 | £592K | £6,281 | £45K | £112K | 0 |
| 28 Feb 2020 | £519K | £11K | £47K | £43K | 1 |
| 28 Feb 2019 | £321K | £4,234 | £38K | £85K | 1 |
| 28 Feb 2018 | £266K | £63K | £79K | £53K | 1 |
| 28 Feb 2017 | £240K | £97K | £101K | £56K |
Who runs and owns Isb Electrical Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| I*** B*** | Director | Feb 2009 |
| D*** E*** | Director | Apr 2025 |
Person with significant control
Charges (secured borrowing)
All 4 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Shawbrook Bank Limited | Satisfied May 2026 | Jun 2018 |
| Shawbrook Bank Limited | Satisfied May 2026 | Jul 2017 |
| Interbay Funding Limited | Satisfied May 2026 | Mar 2014 |
| Interbay Funding Limited | Satisfied May 2026 | Mar 2014 |
Where Isb Electrical Services Ltd is registered
The registered office is in Caerphilly (NP12), in the Caerphilly local authority area, Wales. Show NP12 0AU on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
What happens if Isb Electrical Services 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 06810419
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2009 (17 years ago)
- Registered office
- 1 Penylan Road, Argoed Blackwood, Caerphilly, NP12 0AU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 5 February 2026
- Charges (mortgages)
- 0 outstanding of 4 registered
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 Caerphilly
Other active electrical contractors registered in Caerphilly.
- Jac Electrical (Cardiff) Ltd2022
- JB Electrical (Wales) Ltd2014
- Jordan UK Electricals Ltd2026
- Litework Electrical Ltd2024
- M D Wilson Electrical Services Ltd2015
- MGC Renewable Energy Solutions Limited2022
- Midat Ltd2021
- Panda Electrical Limited2005
All electrical contractors in Caerphilly · All trades in Caerphilly · Electricians across the UK
Frequently asked questions
When are Isb Electrical Services Ltd's accounts due?
Isb Electrical Services Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Isb Electrical Services Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Isb Electrical Services Ltd still trading?
Isb Electrical Services 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 Isb Electrical Services Ltd do?
Isb Electrical Services Ltd is registered under Electrical installation (SIC 43210).
How old is Isb Electrical Services Ltd?
Isb Electrical Services Ltd was incorporated on 5 February 2009, 17 years ago.
Who runs Isb Electrical Services Ltd?
Isb Electrical Services Ltd has 2 active directors, the longest-serving appointed in Feb 2009. Their names and service addresses are on the Companies House register.
Who owns Isb Electrical Services Ltd?
One person or company has significant control of Isb Electrical Services Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Isb Electrical Services 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 Isb Electrical Services 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.