- Companies
- Electricians
- London
- Intrelec Ltd
Intrelec Ltd
- Company number
- 10183959
- Incorporated
- 17 May 201610 years trading
- Registered office
- 67 Heathfield Square, London, SW18 3HZ
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Engineering related scientific and technical consulting activities
Intrelec Ltd is a 10-year-old private limited company registered in London, company number 10183959, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £72K on the year before, to £74K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £394K against £262K owed within a year: 1.5 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £74K | £394K | £262K | 4 | |
| 30 Nov 2024 | £1,937 | £314K | £247K | 4 | |
| 30 Nov 2023 | £1,353 | £229K | £179K | 3 | |
| 30 Nov 2022 | £73K | £213K | £112K | 3 | |
| 30 Nov 2021 | -£49K | £26K | £85K | 3 | |
| 31 May 2020 | -£12K | £43K | £56K | 1 | |
| 31 May 2019 | -£4,536 | £9,859 | £15K | 1 | |
| 31 May 2018 | £1,629 | £21K | £20K | 1 | |
| 31 May 2017 | -£2,703 | £6,712 | £9,506 |
Who runs and owns Intrelec Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** C*** | Director | May 2016 |
Person with significant control
Where Intrelec Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 3HZ on a map.
Other trade companies in SW18
- Altius 24CHT LimitedProperty developers
- Nexlink Technologies LtdElectricians
- Straightedge Builders LtdProperty developers
- Parsons Green Re Design & Build LimitedProperty developers
- Home Appliances Repair LimitedRepair services
- 34 & 34A Lambrook Terrace Freehold LtdProperty developers
- 30 Thorndean LtdProperty developers
- Fircroft Group LimitedProperty developers
What happens if Intrelec 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 10183959
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 2016 (10 years ago)
- Registered office
- 67 Heathfield Square, London, SW18 3HZ
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 16 May 2026
- Previous names
- Mechatronic Consulting Engineers Ltd (until 14 Jun 2021)
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 London
Other active electrical contractors registered in London.
- Invictus Fire & Security Ltd2026
- Invision Electrical Solutions Ltd2025
- Iolec Limited2020
- Ip Security Ltd2026
- Ip65 NW Ltd2020
- Ipopping Ltd2004
- Ips (2009) Ltd2007
- Irk-UK Limited2023
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Intrelec Ltd's accounts due?
Intrelec Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Intrelec Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Intrelec Ltd still trading?
Intrelec 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 Intrelec Ltd do?
Intrelec Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Intrelec Ltd?
Intrelec Ltd was incorporated on 17 May 2016, 10 years ago.
Who runs Intrelec Ltd?
Intrelec Ltd has 1 active director, the longest-serving appointed in May 2016. Their names and service addresses are on the Companies House register.
Who owns Intrelec Ltd?
One person or company has significant control of Intrelec Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Intrelec 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 Intrelec 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.