- Company number
- 17297639
- Incorporated
- 23 Jun 2026
- Registered office
- PO Box 4385, 17297639 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Construction of domestic buildings; Other specialised construction activities n.e.c.
SRS1 Ltd is a newly incorporated private limited company registered in Cardiff, company number 17297639, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 23 March 2028, and its first CT600 is due at HMRC on 22 June 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 SRS1 Ltd is registered
The registered office is in Cardiff (CF14), in the Caerphilly local authority area, Wales. Show CF14 8LH 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
What happens if SRS1 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 23 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Mar 2028 to 23 Apr 2028 | £150 |
| 1 to 3 months late | 24 Apr 2028 to 23 Jun 2028 | £375 |
| 3 to 6 months late | 24 Jun 2028 to 23 Sep 2028 | £750 |
| More than 6 months late | From 24 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17297639
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 June 2026
- Registered office
- PO Box 4385, 17297639 - Companies House Default Address, Cardiff, CF14 8LH
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (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.
- ST Build Ltd2014
- Star BG Group Ltd2026
- Starvalley Construction Ltd2026
- Sterling-Lynch Ltd2009
- Stonemason Developments Limited2025
- Stroy Building Ltd2020
- Swanage Maintenance Limited2019
- T and S Building Services Limited2017
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are SRS1 Ltd's accounts due?
SRS1 Ltd's next accounts are due at Companies House by 23 March 2028 (in 527 days), covering the period to 30 June 2027.
When is SRS1 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 22 June 2027, due by 22 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SRS1 Ltd still trading?
SRS1 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 SRS1 Ltd do?
SRS1 Ltd is registered under Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is SRS1 Ltd?
SRS1 Ltd was incorporated on 23 June 2026, less than a year ago.
What is the penalty if SRS1 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 SRS1 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.