- Companies
- Motor traders
- Uxbridge
- Harbour Cars Ltd
Harbour Cars Ltd
- Company number
- 16103402
- Incorporated
- 26 Nov 20241 year trading
- Registered office
- 61 Mint Close, Hillingdon, Uxbridge, UB10 0TL
- Nature of business
- Sale of used cars and light motor vehicles
Harbour Cars Ltd is a 1-year-old private limited company registered in Uxbridge, company number 16103402, one of 123 motor trade companies in Uxbridge. Companies House shows its accounts as overdue: they were due on 26 August 2026.
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 Harbour Cars Ltd is registered
The registered office is in Uxbridge (UB10), in the Hillingdon local authority area, London. Show UB10 0TL on a map.
Other trade companies in UB10
- Buildmag LtdSpecialist contractors
- The Notch Homes LimitedJoiners and carpenters
- Platinum Grade Building LimitedFinishing trades
- Reno Move LtdPainters and decorators
- Giant Trade LimitedMotor traders
- Tiarni Grace Aviation Services LtdMachinery repair and installation
- LKL Vehicle Sales LtdMotor traders
- P Builds LtdPlumbers and heating engineers
What happens if Harbour Cars Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Aug 2026 to 26 Sep 2026 | £150 |
| 1 to 3 months late | 27 Sep 2026 to 26 Nov 2026 | £375 |
| 3 to 6 months late | 27 Nov 2026 to 26 Feb 2027 | £750 |
| More than 6 months late | From 27 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16103402
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2024 (1 year ago)
- Registered office
- 61 Mint Close, Hillingdon, Uxbridge, UB10 0TL
- Nature of business
- Sale of used cars and light motor vehicles (SIC 45112)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 March 2026
- Previous names
- Harbour Cats Ltd (until 3 Dec 2024)
Houbour Cars Limited (until 3 Dec 2024)
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Uxbridge
Other active motor trade companies registered in Uxbridge.
- Harefield Motors Limited2025
- Heathrow Carz Ltd2016
- HMS Car Services Ltd2018
- Howard Dean Car Sales Ltd2017
- Imaan Motors Limited2017
- Impulse Motors Ltd2021
- Inscription Autos Ltd2021
- J Automotive Ltd2024
All motor trade companies in Uxbridge · All trades in Uxbridge · Motor traders across the UK
Frequently asked questions
When are Harbour Cars Ltd's accounts due?
Harbour Cars Ltd's accounts were due at Companies House on 26 August 2026 and the register shows them as overdue.
When is Harbour Cars 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 25 November 2025, due by 25 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Harbour Cars Ltd still trading?
Harbour Cars 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 Harbour Cars Ltd do?
Harbour Cars Ltd is registered under Sale of used cars and light motor vehicles (SIC 45112).
How old is Harbour Cars Ltd?
Harbour Cars Ltd was incorporated on 26 November 2024, 1 year ago.
What is the penalty if Harbour Cars 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 Harbour Cars 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.