- Companies
- Mechanics and garages
- Chelmsford
- Southern (UK) Transmissions Limited
Southern (UK) Transmissions Limited
- Company number
- 03878950
- Incorporated
- 17 Nov 199926 years trading
- Registered office
- 46 Hullbridge Road, South Woodham Ferrers, Chelmsford, Essex, CM3 5NG
- Nature of business
- Maintenance and repair of motor vehicles
Southern (UK) Transmissions Limited is a 26-year-old private limited company registered in Chelmsford, company number 03878950, one of 115 vehicle repair garages in Chelmsford. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Southern (UK) Transmissions Limited is registered
The registered office is in Chelmsford (CM3), in the Chelmsford local authority area, East of England. Show CM3 5NG on a map.
Other trade companies in CM3
- CLS Groundworks LtdBuilders
- Proglaze Window & Door Fitters LtdGlaziers
- Wrenford Holdings LtdProperty developers
- Pinnacle Performance and Prestige LimitedMotor traders
- Corevent Fire Safety LtdElectricians
- Eaton Home Improvements and Development LtdSpecialist contractors
- Saunders Electrical LtdElectricians
- Ashcroft Vehicles LtdMotor traders
Shared registered office
48 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 Southern (UK) Transmissions 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 29 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2026 to 29 Jan 2027 | £150 |
| 1 to 3 months late | 30 Jan 2027 to 29 Mar 2027 | £375 |
| 3 to 6 months late | 30 Mar 2027 to 29 Jun 2027 | £750 |
| More than 6 months late | From 30 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2027 | £200 |
| 3 months late | 29 Jun 2027 | another £200 |
| 6 months late | 29 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Mar 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
- 03878950
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 November 1999 (26 years ago)
- Registered office
- 46 Hullbridge Road, South Woodham Ferrers, Chelmsford, Essex, CM3 5NG
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 November 2025
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Chelmsford
Other active vehicle repair garages registered in Chelmsford.
- Spantec Services Ltd2022
- Stagex Automotive Ltd2017
- Stow Maries Valeting Centre Limited2021
- Tanker Services Limited2015
- The Vwaudi Tec Specialists Limited2012
- The Wood Family Garage Ltd2021
- Toyo-Tech Automotive Ltd2012
- Transpolita Ltd2015
All vehicle repair garages in Chelmsford · All trades in Chelmsford · Mechanics and garages across the UK
Frequently asked questions
When are Southern (UK) Transmissions Limited's accounts due?
Southern (UK) Transmissions Limited's next accounts are due at Companies House by 29 December 2026 (in 77 days), covering the period to 29 March 2026.
When is Southern (UK) Transmissions Limited's CT600 due?
The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.
Is Southern (UK) Transmissions Limited still trading?
Southern (UK) Transmissions 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 Southern (UK) Transmissions Limited do?
Southern (UK) Transmissions Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Southern (UK) Transmissions Limited?
Southern (UK) Transmissions Limited was incorporated on 17 November 1999, 26 years ago.
What is the penalty if Southern (UK) Transmissions 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 Southern (UK) Transmissions 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.