- Companies
- Specialist contractors
- Plymouth
- SW Underpinning and Piling Solutions Ltd
SW Underpinning and Piling Solutions Ltd
- Company number
- 15731507
- Incorporated
- 20 May 20242 years trading
- Registered office
- The Apex Derriford Business Park, Derriford, Plymouth, PL6 5FL
- Nature of business
- Other specialised construction activities n.e.c.
SW Underpinning and Piling Solutions Ltd is a 2-year-old private limited company registered in Plymouth, company number 15731507, one of 113 specialist construction companies in Plymouth. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where SW Underpinning and Piling Solutions Ltd is registered
The registered office is in Plymouth (PL6), in the Plymouth local authority area, South West. Show PL6 5FL on a map.
Other trade companies in PL6
- Transit Garage SW LimitedMechanics and garages
- Drilling Consultants LimitedCivil engineering
- A-Frame Scaffolding LimitedScaffolders
- SW Plantroom Partners LtdPlumbers and heating engineers
- Trueline (SW) LtdJoiners and carpenters
- Prime Plumbing & Heating SW LtdPlumbers and heating engineers
- New Cut Carpentry LimitedJoiners and carpenters
- Sos 360 LtdBuilders
Also registered at this address
2 other companies use the same registered office as SW Underpinning and Piling Solutions Ltd.
- E Electrical LimitedElectricians
- Wright Clean LimitedCleaning companies
What happens if SW Underpinning and Piling Solutions 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 | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 15731507
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 May 2024 (2 years ago)
- Registered office
- The Apex Derriford Business Park, Derriford, Plymouth, PL6 5FL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 19 May 2026
- Previous names
- South West Underpinning Solutions Ltd (until 2 Apr 2025)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Plymouth
Other active specialist construction companies registered in Plymouth.
- T G K Carpentry Services Limited2026
- Thornbury Windows Ltd2021
- TT Utilities South West Ltd2025
- Tufcoat Limited2004
- Ultimate Driveways South West Limited2024
- Viking Carpentry & Joinery Ltd2017
- Virtue Property & Plastering Ltd2026
- Vorx Group Ltd2026
All specialist construction companies in Plymouth · All trades in Plymouth · Specialist contractors across the UK
Frequently asked questions
When are SW Underpinning and Piling Solutions Ltd's accounts due?
SW Underpinning and Piling Solutions Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is SW Underpinning and Piling Solutions Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is SW Underpinning and Piling Solutions Ltd still trading?
SW Underpinning and Piling Solutions 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 Underpinning and Piling Solutions Ltd do?
SW Underpinning and Piling Solutions Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SW Underpinning and Piling Solutions Ltd?
SW Underpinning and Piling Solutions Ltd was incorporated on 20 May 2024, 2 years ago.
What is the penalty if SW Underpinning and Piling Solutions 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 Underpinning and Piling Solutions 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.