- Companies
- Plumbers and heating engineers
- Southport
- Urban Castle Ltd
Urban Castle Ltd
- Company number
- 16251140
- Incorporated
- 13 Feb 20251 year trading
- Registered office
- 37-39 ( Office 7 ) Shakespeare Street, Southport, PR8 5AB
- Nature of business
- Plumbing, heat and air-conditioning installation; Joinery installation
Urban Castle Ltd is a 1-year-old private limited company registered in Southport, company number 16251140, one of 42 plumbing and heating companies in Southport. Its next accounts are due at Companies House on 13 November 2026, and its first CT600 is due at HMRC on 12 February 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 Urban Castle Ltd is registered
The registered office is in Southport (PR8), in the Sefton local authority area, North West. Show PR8 5AB on a map.
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What happens if Urban Castle 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 13 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 14 Nov 2026 to 13 Dec 2026 | £150 |
| 1 to 3 months late | 14 Dec 2026 to 13 Feb 2027 | £375 |
| 3 to 6 months late | 14 Feb 2027 to 13 May 2027 | £750 |
| More than 6 months late | From 14 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16251140
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2025 (1 year ago)
- Registered office
- 37-39 ( Office 7 ) Shakespeare Street, Southport, PR8 5AB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Joinery installation (SIC 43320) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 January 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Southport
Other active plumbing and heating companies registered in Southport.
- Warmer Households Ltd2023
- Whalen Plumbing & Gas Ltd2025
- A.C. Marriott Ltd.2008
- Ainsdale Gas Ltd2012
- Ar Johnson Plumbing & Heating Ltd2019
- Birkdale Gas Services Ltd2024
- BMB Plumbing & Heating Ltd2019
- C.H. Domestic Gas Services Ltd2018
All plumbing and heating companies in Southport · All trades in Southport · Plumbers and heating engineers across the UK
Frequently asked questions
When are Urban Castle Ltd's accounts due?
Urban Castle Ltd's next accounts are due at Companies House by 13 November 2026 (in 31 days), covering the period to 28 February 2026.
When is Urban Castle 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 12 February 2026, due by 12 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Urban Castle Ltd still trading?
Urban Castle 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 Urban Castle Ltd do?
Urban Castle Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Joinery installation (SIC 43320).
How old is Urban Castle Ltd?
Urban Castle Ltd was incorporated on 13 February 2025, 1 year ago.
What is the penalty if Urban Castle 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 Urban Castle 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.