- Companies
- Finishing trades
- Cardiff
- SW Building Inspections Ltd
SW Building Inspections Ltd
- Company number
- 17019234
- Incorporated
- 8 Feb 2026
- Registered office
- 5 Cresta Grove, ST. Fagans, Cardiff, CF5 6HS
- Nature of business
- Other building completion and finishing; Technical testing and analysis
SW Building Inspections Ltd is a newly incorporated private limited company registered in Cardiff, company number 17019234, one of 129 building finishing companies in Cardiff. Its next accounts are due at Companies House on 8 November 2027, and its first CT600 is due at HMRC on 7 February 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 SW Building Inspections Ltd is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 6HS on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- MN Projects Co. LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
What happens if SW Building Inspections 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 8 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Nov 2027 to 8 Dec 2027 | £150 |
| 1 to 3 months late | 9 Dec 2027 to 8 Feb 2028 | £375 |
| 3 to 6 months late | 9 Feb 2028 to 8 May 2028 | £750 |
| More than 6 months late | From 9 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17019234
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2026
- Registered office
- 5 Cresta Grove, ST. Fagans, Cardiff, CF5 6HS
- Nature of business
- Other building completion and finishing (SIC 43390)
Technical testing and analysis (SIC 71200) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Cardiff
Other active building finishing companies registered in Cardiff.
- T.K.T. Limited2003
- Taylors Construction Cardiff Ltd2026
- The Atlantic Lifestyle Group Ltd2025
- The Garage Door Centre 1990 Limited2015
- The Surrey Property Network Ltd2026
- Thomas & Thomas Services Ltd2020
- Time Matters Fire Protection Ltd2026
- TM Asset Solutions Limited2025
All building finishing companies in Cardiff · All trades in Cardiff · Finishing trades across the UK
Frequently asked questions
When are SW Building Inspections Ltd's accounts due?
SW Building Inspections Ltd's next accounts are due at Companies House by 8 November 2027 (in 391 days), covering the period to 28 February 2027.
When is SW Building Inspections 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 7 February 2027, due by 7 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SW Building Inspections Ltd still trading?
SW Building Inspections 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 SW Building Inspections Ltd do?
SW Building Inspections Ltd is registered under Other building completion and finishing (SIC 43390); Technical testing and analysis (SIC 71200).
How old is SW Building Inspections Ltd?
SW Building Inspections Ltd was incorporated on 8 February 2026, less than a year ago.
What is the penalty if SW Building Inspections 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 SW Building Inspections 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.