1. Companies
  2. Civil engineering
  3. Newport
  4. South Western Tubes Limited

South Western Tubes Limited

ActiveTotal exemption (full) accountsCivil engineeringNewport
Company number
01552411
Incorporated
24 Mar 198145 years trading
Registered office
Agincourt House, 14 Clytha Park Road, Newport, NP20 4PB
Nature of business
Construction of other civil engineering projects n.e.c.
Accounts due in
79 days
31 Dec 2026
From the Companies House register, 1 Oct 2026

South Western Tubes Limited is a 45-year-old private limited company registered in Newport, company number 01552411, one of 80 civil engineering contractors in Newport. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Dec 2026
in 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
16 Jan 2027
in 95 days
Last made up to 2 Jan 2026

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for South Western Tubes Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £12K (+7.9%) on the year before, to £163K.
  • Net assets rose in 9 of 9 year-on-year comparisons on record.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£100K31 March 2016: net assets £22K£22K201631 March 2017: net assets £35K£35K201731 March 2018: net assets £49K£49K201831 March 2019: net assets £79K£79K201931 March 2020: net assets £84K£84K202031 March 2021: net assets £101K£101K202131 March 2022: net assets £109K£109K202231 March 2023: net assets £131K£131K202331 March 2024: net assets £151K£151K202431 March 2025: net assets £163K£163K2025
Net assets at each year end, 2016 to 2025£0£100K31 March 2016: net assets £22K£22K'1631 March 2017: net assets £35K£35K'1731 March 2018: net assets £49K£49K'1831 March 2019: net assets £79K£79K'1931 March 2020: net assets £84K£84K'2031 March 2021: net assets £101K£101K'2131 March 2022: net assets £109K£109K'2231 March 2023: net assets £131K£131K'2331 March 2024: net assets £151K£151K'2431 March 2025: net assets £163K£163K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£163K2
31 Mar 2024£151K2
31 Mar 2023£131K2
31 Mar 2022£109K2
31 Mar 2021£101K£24K£210K£119K2
31 Mar 2020£84K£18K£310K£235K2
31 Mar 2019£79K£27K£343K£276K2
31 Mar 2018£49K£21K£207K£161K2
31 Mar 2017£35K£15K£195K£166K2
31 Mar 2016£22K£34K£208K£195K

Who runs and owns South Western Tubes Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
D*** H***DirectorSep 1993
4 former officers
NameRoleAppointedLeft
J*** H***SecretarySep 1993Jan 2011
M*** H***SecretarySep 1993
M*** H***DirectorSep 1993
R*** H***DirectorSep 1993

Person with significant control

Individual · since Apr 2016
D*** H***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Charges (secured borrowing)

1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Midland Bank PLCOutstandingSep 1993

Where South Western Tubes Limited is registered

South Western Tubes Limited's registered office on a map of the UK

The registered office is in Newport (NP20), in the Newport local authority area, Wales. Show NP20 4PB on a map.

Other trade companies in NP20

Also registered at this address

22 other companies use the same registered office as South Western Tubes Limited.

What happens if South Western Tubes 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 31 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
01552411
Status
Active
Company type
Private limited company
Incorporated
24 March 1981 (45 years ago)
Registered office
Agincourt House, 14 Clytha Park Road, Newport, NP20 4PB
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2025
Last confirmation statement
2 January 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Newport

Other active civil engineering contractors registered in Newport.

All civil engineering contractors in Newport · All trades in Newport · Civil engineering across the UK

Frequently asked questions

When are South Western Tubes Limited's accounts due?

South Western Tubes Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is South Western Tubes Limited's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is South Western Tubes Limited still trading?

South Western Tubes 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 South Western Tubes Limited do?

South Western Tubes Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).

How old is South Western Tubes Limited?

South Western Tubes Limited was incorporated on 24 March 1981, 45 years ago.

Who runs South Western Tubes Limited?

South Western Tubes Limited has 1 active director, the longest-serving appointed in Sep 1993. Their names and service addresses are on the Companies House register.

Who owns South Western Tubes Limited?

One person or company has significant control of South Western Tubes Limited: an individual (owns 75% or more of the shares).

What is the penalty if South Western Tubes 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 South Western Tubes Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk