- Company number
- 17354643
- Incorporated
- 22 Jul 2026
- Registered office
- 18 Clos Llysfaen, Lisvane, Cardiff, CF14 0UP
- Nature of business
- Construction of domestic buildings; Other building completion and finishing; Other specialised construction activities n.e.c.
Watson Grant Limited is a newly incorporated private limited company registered in Cardiff, company number 17354643, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 22 April 2028, and its first CT600 is due at HMRC on 21 July 2028.
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 Watson Grant Limited is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 0UP on a map.
Other trade companies in CF14
- Velren Group LtdProperty developers
- Premierroofcare LtdRoofers
- JLG Groundworks LtdCleaning companies
- Tidyvibz LtdCleaning companies
- Ayyappa MTD LtdBuilders
- KM Phoenix Pond, Garden & General Maintenance LtdLandscapers and gardeners
- Eco Green Property Service LtdFinishing trades
- S and J Accident Repairs LtdPainters and decorators
Also registered at this address
1 other company uses the same registered office as Watson Grant Limited.
- Enerheat LimitedPlumbers and heating engineers
What happens if Watson Grant 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 22 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Apr 2028 to 22 May 2028 | £150 |
| 1 to 3 months late | 23 May 2028 to 22 Jul 2028 | £375 |
| 3 to 6 months late | 23 Jul 2028 to 22 Oct 2028 | £750 |
| More than 6 months late | From 23 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 17354643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 2026
- Registered office
- 18 Clos Llysfaen, Lisvane, Cardiff, CF14 0UP
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Cardiff
Other active building contractors registered in Cardiff.
- Wedlake Builders Ltd2025
- Wentloog Building Services Limited1989
- Westbank Construction Ltd2019
- WG London Ltd2011
- Whites Brickwork Limited2018
- Williams & Price Building Services Ltd2022
- Wiredworks Construction Ltd2025
- Yr Hadau Limited2019
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are Watson Grant Limited's accounts due?
Watson Grant Limited's next accounts are due at Companies House by 22 April 2028 (in 558 days), covering the period to 31 July 2027.
When is Watson Grant Limited'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 July 2027, due by 21 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Watson Grant Limited still trading?
Watson Grant Limited 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 Watson Grant Limited do?
Watson Grant Limited is registered under Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).
How old is Watson Grant Limited?
Watson Grant Limited was incorporated on 22 July 2026, less than a year ago.
What is the penalty if Watson Grant 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 Watson Grant Limited 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.