- Companies
- Machinery repair and installation
- Eastleigh
- CDM (Southern) Electrical Ltd
CDM (Southern) Electrical Ltd
- Company number
- 17235084
- Incorporated
- 21 May 2026
- Registered office
- 4 Chepstow Close, Chandler's Ford, Eastleigh, SO53 4SA
- Nature of business
- Repair of electrical equipment; Electrical installation
CDM (Southern) Electrical Ltd is a newly incorporated private limited company registered in Eastleigh, company number 17235084, one of 43 machinery repair and installation companies in Eastleigh. Its next accounts are due at Companies House on 21 February 2028, and its first CT600 is due at HMRC on 20 May 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?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CDM (Southern) Electrical LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where CDM (Southern) Electrical Ltd is registered
The registered office is in Eastleigh (SO53), in the Eastleigh local authority area, South East. Show SO53 4SA on a map.
Other trade companies in SO53
- Surface Dressing UK LtdCivil engineering
- Audin Construction LtdSpecialist contractors
- Jelly West Developments LtdProperty developers
- Climate and Renewables Service LtdPlumbers and heating engineers
- McCarthy Construct LimitedProperty developers
- Cura Projects LimitedFinishing trades
- Tubmate LtdMachinery repair and installation
- Brook Hill Developments LimitedProperty developers
Also registered at this address
8 other companies use the same registered office as CDM (Southern) Electrical Ltd.
- Cornerstone Heating & Plumbing LtdPlumbers and heating engineers
- Hearn Holdings LimitedFinishing trades
- Noble Renovations & Property Maintenance LtdFinishing trades
- O Edwards LtdMechanics and garages
- R H Flooring Solutions LimitedFloor and wall tilers
- Redefined Electrical & Renewables LtdElectricians
- Samuel James Services LtdPainters and decorators
- Weaponised Design LtdElectricians
What happens if CDM (Southern) 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 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Feb 2028 to 21 Mar 2028 | £150 |
| 1 to 3 months late | 22 Mar 2028 to 21 May 2028 | £375 |
| 3 to 6 months late | 22 May 2028 to 21 Aug 2028 | £750 |
| More than 6 months late | From 22 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17235084
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2026
- Registered office
- 4 Chepstow Close, Chandler's Ford, Eastleigh, SO53 4SA
- Nature of business
- Repair of electrical equipment (SIC 33140)
Electrical installation (SIC 43210) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Eastleigh
Other active machinery repair and installation companies registered in Eastleigh.
- Coffee Man Repairs Limited2017
- Crane Machine Maintenance Limited1989
- Custom Interior Wrapping Ltd2025
- Desty Marine Hamble Limited2018
- Diving Equipment Services Limited1998
- Electronic Care Solutions Ltd2019
- Enviro-Cold Services Limited2019
- Executive Jet Personnel Limited2003
All machinery repair and installation companies in Eastleigh · All trades in Eastleigh · Machinery repair and installation across the UK
Frequently asked questions
When are CDM (Southern) Electrical Ltd's accounts due?
CDM (Southern) Electrical Ltd's next accounts are due at Companies House by 21 February 2028 (in 496 days), covering the period to 31 May 2027.
When is CDM (Southern) 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 May 2027, due by 20 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is CDM (Southern) Electrical Ltd still trading?
CDM (Southern) 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 CDM (Southern) Electrical Ltd do?
CDM (Southern) Electrical Ltd is registered under Repair of electrical equipment (SIC 33140); Electrical installation (SIC 43210).
How old is CDM (Southern) Electrical Ltd?
CDM (Southern) Electrical Ltd was incorporated on 21 May 2026, less than a year ago.
What is the penalty if CDM (Southern) 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 CDM (Southern) 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.