- Companies
- Mechanics and garages
- Bracknell
- Autocode Diagnostics Ltd
Autocode Diagnostics Ltd
- Company number
- 16334931
- Incorporated
- 22 Mar 20251 year trading
- Registered office
- 4 Netherby Gardens, Bracknell, RG12 7GQ
- Nature of business
- Maintenance and repair of motor vehicles; Retail trade of motor vehicle parts and accessories
Autocode Diagnostics Ltd is a 1-year-old private limited company registered in Bracknell, company number 16334931, one of 48 vehicle repair garages in Bracknell. Its next accounts are due at Companies House on 22 December 2026, and its first CT600 is due at HMRC on 21 March 2027.
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.
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Where Autocode Diagnostics Ltd is registered
The registered office is in Bracknell (RG12), in the Bracknell Forest local authority area, South East. Show RG12 7GQ on a map.
Other trade companies in RG12
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- JD Decor LtdPainters and decorators
- Eight10 Works LtdBuilders
- MD Electrical Pro LimitedMachinery repair and installation
- T2Core LtdElectricians
- Pageroll Auto Company LimitedMechanics and garages
- Alvantage LtdMachinery repair and installation
- Apex Towing & Welfare Services LtdMachinery repair and installation
What happens if Autocode Diagnostics 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 22 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Dec 2026 to 22 Jan 2027 | £150 |
| 1 to 3 months late | 23 Jan 2027 to 22 Mar 2027 | £375 |
| 3 to 6 months late | 23 Mar 2027 to 22 Jun 2027 | £750 |
| More than 6 months late | From 23 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 16334931
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 March 2025 (1 year ago)
- Registered office
- 4 Netherby Gardens, Bracknell, RG12 7GQ
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
Retail trade of motor vehicle parts and accessories (SIC 45320) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 21 March 2026
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 Bracknell
Other active vehicle repair garages registered in Bracknell.
- Bagshot LDR Limited2018
- Bga Recovery's Ltd2026
- Bodytone (Berks) Ltd.2008
- Bracknell Auto Locksmith Ltd2026
- Bracknell Autocare and MOT Center Ltd2026
- Butik Car Ltd2019
- Catalin Junior Limited2019
- Churchill Autoglazing Ltd2023
All vehicle repair garages in Bracknell · All trades in Bracknell · Mechanics and garages across the UK
Frequently asked questions
When are Autocode Diagnostics Ltd's accounts due?
Autocode Diagnostics Ltd's next accounts are due at Companies House by 22 December 2026 (in 71 days), covering the period to 31 March 2026.
When is Autocode Diagnostics 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 21 March 2026, due by 21 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Autocode Diagnostics Ltd still trading?
Autocode Diagnostics 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 Autocode Diagnostics Ltd do?
Autocode Diagnostics Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200); Retail trade of motor vehicle parts and accessories (SIC 45320).
How old is Autocode Diagnostics Ltd?
Autocode Diagnostics Ltd was incorporated on 22 March 2025, 1 year ago.
What is the penalty if Autocode Diagnostics 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 Autocode Diagnostics 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.