- Companies
- Electricians
- Sidcup
- Mad Electrical Ltd
Mad Electrical Ltd
- Company number
- 16978398
- Incorporated
- 21 Jan 2026
- Registered office
- C/O Palmer Brothers, Nelson Road, Sidcup, DA14 6DY
- Nature of business
- Electrical installation
Mad Electrical Ltd is a newly incorporated private limited company registered in Sidcup, company number 16978398, one of 178 electrical contractors in Sidcup. Its next accounts are due at Companies House on 21 October 2027, and its first CT600 is due at HMRC on 20 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Mad Electrical Ltd is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6DY on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
What happens if Mad Electrical 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 21 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Oct 2027 to 21 Nov 2027 | £150 |
| 1 to 3 months late | 22 Nov 2027 to 21 Jan 2028 | £375 |
| 3 to 6 months late | 22 Jan 2028 to 21 Apr 2028 | £750 |
| More than 6 months late | From 22 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16978398
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2026
- Registered office
- C/O Palmer Brothers, Nelson Road, Sidcup, DA14 6DY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Mad Electrical Installations Ltd (until 11 Mar 2026)
Mad Electrical Installation Ltd (until 17 Feb 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 Sidcup
Other active electrical contractors registered in Sidcup.
- Martech Electrical Services Limited2019
- Max Milner Electrical Limited2013
- Mburton Electrical Services Limited2026
- Mda Electrical Limited2015
- Merrill Electrical Limited2018
- Mes Contractors Limited2018
- Modern Building Services Ltd2018
- Morcombe Electrical Services Ltd2016
All electrical contractors in Sidcup · All trades in Sidcup · Electricians across the UK
Frequently asked questions
When are Mad Electrical Ltd's accounts due?
Mad Electrical Ltd's next accounts are due at Companies House by 21 October 2027 (in 374 days), covering the period to 31 January 2027.
When is Mad Electrical Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 January 2027, due by 20 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mad Electrical Ltd still trading?
Mad Electrical 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 Mad Electrical Ltd do?
Mad Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Mad Electrical Ltd?
Mad Electrical Ltd was incorporated on 21 January 2026, less than a year ago.
What is the penalty if Mad Electrical 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 Mad Electrical 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.