- Companies
- Installers
- Port Talbot
- Welco & Son Roofing & Building Limited
Welco & Son Roofing & Building Limited
- Company number
- 15344335
- Incorporated
- 11 Dec 20232 years trading
- Registered office
- 1 Park Row, Cwmavon, Port Talbot, West Glamorgan, SA12 9PW
- Nature of business
- Other construction installation; Scaffold erection
Welco & Son Roofing & Building Limited is a 2-year-old private limited company registered in Port Talbot, company number 15344335, one of 25 installation companies (insulation, lifts, shutters and similar) in Port Talbot. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 December 2024, as filed at Companies House.
Where Welco & Son Roofing & Building Limited is registered
The registered office is in Port Talbot (SA12), in the Neath Port Talbot local authority area, Wales. Show SA12 9PW on a map.
Other trade companies in SA12
- Wearne Warmproof Specialist LimitedRoofers
- LMG Independent Bath Co LimitedElectricians
- South Wales Heritage Wood Revival LimitedPainters and decorators
- JD Industrial Services LtdCleaning companies
- Sherwood's Carpentry and Building Services LtdBuilders
- CDM Property Ventures LtdProperty developers
- Lawz Fabrications LtdMachinery repair and installation
- Smooth Operators Screeding LtdBuilders
Also registered at this address
1 other company uses the same registered office as Welco & Son Roofing & Building Limited.
- Welco Construction and Services LimitedScaffolders
What happens if Welco & Son Roofing & Building 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15344335
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 December 2023 (2 years ago)
- Registered office
- 1 Park Row, Cwmavon, Port Talbot, West Glamorgan, SA12 9PW
- Nature of business
- Other construction installation (SIC 43290)
Scaffold erection (SIC 43991) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 10 December 2024
- Previous names
- Welco and Son Limited (until 8 Jan 2024)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Port Talbot
Other active installation companies (insulation, lifts, shutters and similar) registered in Port Talbot.
- WPS-UK Ltd2020
- Zeal Life Ltd2023
- Adapt Group Limited2023
- Advanced Door Systems Ltd2025
- Aegis Fire Defence Ltd2026
- Alcon Construction Ltd2025
- Ascot (Kitchen and Bedrooms) Limited2005
- Bastion Fire Protection Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Port Talbot · All trades in Port Talbot · Installers across the UK
Frequently asked questions
When are Welco & Son Roofing & Building Limited's accounts due?
Welco & Son Roofing & Building 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 Welco & Son Roofing & Building 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Welco & Son Roofing & Building Limited still trading?
Welco & Son Roofing & Building Limited is listed as active on the Companies House register (checked 13 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 Welco & Son Roofing & Building Limited do?
Welco & Son Roofing & Building Limited is registered under Other construction installation (SIC 43290); Scaffold erection (SIC 43991).
How old is Welco & Son Roofing & Building Limited?
Welco & Son Roofing & Building Limited was incorporated on 11 December 2023, 2 years ago.
What is the penalty if Welco & Son Roofing & Building 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 Welco & Son Roofing & Building Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.