- Companies
- Specialist contractors
- Southsea
- Rowlands Castle Construction (Southern) Limited
Rowlands Castle Construction (Southern) Limited
- Company number
- 16188481
- Incorporated
- 16 Jan 20251 year trading
- Registered office
- 10 Victoria Road South, Southsea, PO5 2DA
- Nature of business
- Other specialised construction activities n.e.c.
Rowlands Castle Construction (Southern) Limited is a 1-year-old private limited company registered in Southsea, company number 16188481, one of 38 specialist construction companies in Southsea. Its next accounts are due at Companies House on 16 October 2026, and its first CT600 is due at HMRC on 15 January 2027.
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 Rowlands Castle Construction (Southern) Limited is registered
The registered office is in Southsea (PO5), in the Portsmouth local authority area, South East. Show PO5 2DA on a map.
Other trade companies in PO5
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- Luxury Resin Floors and Media Walls LtdBuilders
- Pretty Unique Cleaning Services LtdCleaning companies
- Bay Bricks LtdProperty developers
- Blydan Holdings LimitedProperty developers
- Inside Out Developments Southampton LtdBuilders
- Hampshire Car Hire LtdMechanics and garages
- Baynes Wipers LtdMachinery repair and installation
Shared registered office
46 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Rowlands Castle Construction (Southern) 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 16 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Oct 2026 to 16 Nov 2026 | £150 |
| 1 to 3 months late | 17 Nov 2026 to 16 Jan 2027 | £375 |
| 3 to 6 months late | 17 Jan 2027 to 16 Apr 2027 | £750 |
| More than 6 months late | From 17 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16188481
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 January 2025 (1 year ago)
- Registered office
- 10 Victoria Road South, Southsea, PO5 2DA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 January 2026
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 Southsea
Other active specialist construction companies registered in Southsea.
- Serenity Lifting Ltd2025
- Southern Aerial (Communications) Limited1981
- Underground Power Cables Ltd2024
- Vyomir Limited2021
- Westcote Heritage Ltd2020
- White Property Maintenance Limited2012
- Whyteleafe Paving Company Ltd2002
- Wise Works Limited2026
All specialist construction companies in Southsea · All trades in Southsea · Specialist contractors across the UK
Frequently asked questions
When are Rowlands Castle Construction (Southern) Limited's accounts due?
Rowlands Castle Construction (Southern) Limited's next accounts are due at Companies House by 16 October 2026 (in 3 days), covering the period to 31 January 2026.
When is Rowlands Castle Construction (Southern) 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 15 January 2026, due by 15 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Rowlands Castle Construction (Southern) Limited still trading?
Rowlands Castle Construction (Southern) 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 Rowlands Castle Construction (Southern) Limited do?
Rowlands Castle Construction (Southern) Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Rowlands Castle Construction (Southern) Limited?
Rowlands Castle Construction (Southern) Limited was incorporated on 16 January 2025, 1 year ago.
What is the penalty if Rowlands Castle Construction (Southern) 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 Rowlands Castle Construction (Southern) 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.