- Companies
- Mechanics and garages
- London
- Blackwater Autoworks Ltd
Blackwater Autoworks Ltd
- Company number
- 07319029
- Incorporated
- 19 Jul 201016 years trading
- Registered office
- Suite 207 Equitable House 7 General Gordon Square, C/O Mantax Lynton, London, SE18 6FH
- Nature of business
- Maintenance and repair of motor vehicles
Blackwater Autoworks Ltd is a 16-year-old private limited company registered in London, company number 07319029, one of 2,410 vehicle repair garages in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 30 May 2026 is due at HMRC on 30 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
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 up £20K (+791.9%) on the year before, to £22K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £221K against £161K owed within a year: 1.4 times cover.
- 8 employees on average, down from 9 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £22K | £145K | £221K | £161K | 8 |
| 31 May 2024 | £2,464 | £28K | £79K | £128K | 9 |
| 31 May 2023 | -£25K | £39K | £70K | £125K | 8 |
| 31 May 2022 | £10K | £65K | £91K | £109K | 8 |
| 31 May 2021 | -£11K | £61K | £93K | £122K | 7 |
| 31 May 2020 | -£26K | £98K | £138K | £175K | 6 |
| 31 May 2019 | -£38K | £2,207 | £84K | £177K | 6 |
| 31 May 2018 | -£42K | £450 | £54K | £167K | 5 |
| 31 Aug 2017 | -£60K | £40K | £153K | ||
| 31 Aug 2016 | -£47K | £74 | £22K | £67K |
Where Blackwater Autoworks Ltd is registered
The registered office is in London (SE18), in the Greenwich local authority area, London. Show SE18 6FH on a map.
Other trade companies in SE18
- Anandsingh LtdBuilders
- Hma Building Services LimitedFinishing trades
- JWJ Road Services LtdCleaning companies
- MK Construction Work LtdBuilders
- Armandopro LimitedBuilders
- Flynn Afghanistan Construction LtdBuilders
- Cleo Clean LtdCleaning companies
- Lutah Electrical LtdElectricians
Also registered at this address
5 other companies use the same registered office as Blackwater Autoworks Ltd.
- Earl (Kenilworth) LimitedProperty developers
- Earl (Northampton) LimitedProperty developers
- Eden Natural Wood Flooring LtdFloor and wall tilers
- Paul Kempster LimitedProperty developers
- Thames Glass LtdGlaziers
What happens if Blackwater Autoworks 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 May 2027 | £200 |
| 3 months late | 30 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 May 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
- 07319029
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 July 2010 (16 years ago)
- Registered office
- Suite 207 Equitable House 7 General Gordon Square, C/O Mantax Lynton, London, SE18 6FH
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 30 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 September 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
- Previous names
- Mount Everest Motors Limited (until 19 May 2016)
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 London
Other active vehicle repair garages registered in London.
- Blenheim Motors Limited2005
- Blindside 911 Limited2025
- Blue Line Recovery & Storage Ltd2025
- Blue Park Workshop Ltd.2015
- Bluemotiv Ltd2024
- BMC Body Shop Limited2017
- Bmerc Car Services Ltd2016
- BMK Engine Rebuild Ltd2023
All vehicle repair garages in London · All trades in London · Mechanics and garages across the UK
Frequently asked questions
When are Blackwater Autoworks Ltd's accounts due?
Blackwater Autoworks Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 30 May 2026.
When is Blackwater Autoworks Ltd's CT600 due?
The CT600 for the period to 30 May 2026 is due at HMRC by 30 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Blackwater Autoworks Ltd still trading?
Blackwater Autoworks Ltd is listed as active on the Companies House register (checked 13 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 Blackwater Autoworks Ltd do?
Blackwater Autoworks Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Blackwater Autoworks Ltd?
Blackwater Autoworks Ltd was incorporated on 19 July 2010, 16 years ago.
What is the penalty if Blackwater Autoworks 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 Blackwater Autoworks Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.