- Companies
- Electricians
- KM Data Cabling Limited
KM Data Cabling Limited
- Company number
- 04909191
- Incorporated
- 23 Sep 200323 years trading
- Registered office
- c/o Rolt Harrison & Hewitt, 110/112 Lancaster Road, New Barnet Herts, EN4 8AL
- Nature of business
- Electrical installation
KM Data Cabling Limited is a 23-year-old private limited company, company number 04909191, one of the UK's electrical contractors. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £4,824 (+221.3%) on the year before, to £7,004.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £20K against £27K owed within a year: 0.7 times cover.
- 3 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £7,004 | £20K | £27K | 3 | |
| 30 Sep 2024 | £2,180 | £42K | £40K | 3 | |
| 30 Sep 2023 | £39K | £120K | £81K | 3 | |
| 30 Sep 2022 | £50K | £140K | £90K | 3 | |
| 30 Sep 2021 | £25K | £175K | £151K | 3 | |
| 30 Sep 2020 | £1,133 | £76K | £75K | 3 | |
| 30 Sep 2019 | £224 | £33K | £34K | ||
| 30 Sep 2018 | £14K | £14K | £28K | ||
| 30 Sep 2017 | £1,839 | £25K | £23K | ||
| 30 Sep 2016 | £8,600 | £20K | £12K |
Where KM Data Cabling Limited is registered
The registered office is in the EN4 postcode district, in the Barnet local authority area, London. Show EN4 8AL on a map.
Other trade companies in EN4
- Mechanica Frequentia Calculi LtdElectricians
- Conrad Cleaning LimitedCleaning companies
- Vreto & Co LtdCleaning companies
- Reclaim Automotive UK LtdMotor traders
- We Love 500'S LimitedMechanics and garages
- Vanta Gas & Heating LtdBuilders
- T C Developments LtdProperty developers
- Xran LtdBuilders
Shared registered office
30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if KM Data Cabling 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 04909191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 September 2003 (23 years ago)
- Registered office
- c/o Rolt Harrison & Hewitt, 110/112 Lancaster Road, New Barnet Herts, EN4 8AL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 April 2026
- Previous names
- KM Group (Holdings) Limited (until 15 Sep 2025)
KM Data Cabling Limited (until 12 Aug 2015)
K & M IT Services Limited (until 5 Jan 2010)
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
Other active electrical contractors.
Frequently asked questions
When are KM Data Cabling Limited's accounts due?
KM Data Cabling Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is KM Data Cabling Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is KM Data Cabling Limited still trading?
KM Data Cabling 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 KM Data Cabling Limited do?
KM Data Cabling Limited is registered under Electrical installation (SIC 43210).
How old is KM Data Cabling Limited?
KM Data Cabling Limited was incorporated on 23 September 2003, 23 years ago.
What is the penalty if KM Data Cabling 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 KM Data Cabling 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.