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- Powerstart Diagnostics Ltd
Company profile · Mechanics and garages
Powerstart Diagnostics Ltd
Powerstart Diagnostics Ltd is a 1-year-old private limited company registered in Blackburn, company number 16044380, one of 143 vehicle repair garages in Blackburn. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Powerstart Diagnostics Ltd is registered
The registered office is in Blackburn (BB2), in the Blackburn with Darwen local authority area, North West. Show BB2 4AJ on a map.
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What happens if Powerstart 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16044380
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2024 (1 year ago)
- Registered office
- Unit 17, Hamilton Street, Blackburn, BB2 4AJ
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 21 November 2025
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 Blackburn
Other active vehicle repair garages registered in Blackburn.
- Prestige Star Parts Ltd2020
- Primrose Radar Calibration Limited2019
- Project Car Customs Ltd2026
- Pump Street MOT Centre Ltd2023
- PW Motors Autos and Logistics Limited2023
- Quadsafe Limited2003
- Quick Fix Autoworks Ltd2025
- R A Mechanics Ltd2016
All vehicle repair garages in Blackburn · All trades in Blackburn · Mechanics and garages across the UK
Frequently asked questions
When are Powerstart Diagnostics Ltd's accounts due?
Powerstart Diagnostics Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Powerstart Diagnostics Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Powerstart Diagnostics Ltd still trading?
Powerstart 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 Powerstart Diagnostics Ltd do?
Powerstart Diagnostics Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Powerstart Diagnostics Ltd?
Powerstart Diagnostics Ltd was incorporated on 28 October 2024, 1 year ago.
What is the penalty if Powerstart 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 Powerstart 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.