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- 51 Conversions Limited
Company profile · Mechanics and garages
51 Conversions Limited
51 Conversions Limited is a 6-year-old private limited company registered in Pembroke Dock, company number 12815852, one of the UK's vehicle repair garages. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 August 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
51 Conversions Limited over the years
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £4,176 (-93.7%) on the year before, to -£8,633.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £1 against £9,930 owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£8,633 | £1 | £1 | £9,930 | 1 |
| 31 Aug 2024 | -£4,457 | £69 | £8,919 | £15K | 1 |
| 31 Aug 2023 | £1,802 | £642 | £14K | £7,785 | 0 |
| 31 Aug 2022 | £1,294 | £22 | £14K | £8,498 | 0 |
| 31 Aug 2021 | £137 | £5 | £16K | £19K | 0 |
Where 51 Conversions Limited is registered
The registered office is in Pembroke Dock (SA72), in the Pembrokeshire local authority area, Wales. Show SA72 6QN on a map.
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What happens if 51 Conversions 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12815852
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2020 (6 years ago)
- Registered office
- Woodland View, Sycamore Street, Pembroke Dock, Pembrokeshire, SA72 6QN
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 8 September 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 Pembroke Dock
Other active vehicle repair garages registered in Pembroke Dock.
All vehicle repair garages in Pembroke Dock · All trades in Pembroke Dock · Mechanics and garages across the UK
Frequently asked questions
When are 51 Conversions Limited's accounts due?
51 Conversions Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is 51 Conversions Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is 51 Conversions Limited still trading?
51 Conversions Limited is listed as active on the Companies House register (checked 12 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 51 Conversions Limited do?
51 Conversions Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is 51 Conversions Limited?
51 Conversions Limited was incorporated on 16 August 2020, 6 years ago.
What is the penalty if 51 Conversions 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 51 Conversions Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.