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- Alcon Construction Ltd
Company profile · Installers
Alcon Construction Ltd
Alcon Construction Ltd is a 1-year-old private limited company registered in Port Talbot, company number 16778263, one of 25 installation companies (insulation, lifts, shutters and similar) in Port Talbot. Its next accounts are due at Companies House on 10 July 2027, and its first CT600 is due at HMRC on 9 October 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 Alcon Construction Ltd is registered
The registered office is in Port Talbot (SA13), in the Neath Port Talbot local authority area, Wales. Show SA13 2SJ on a map.
Other trade companies in SA13
- Econiq Air LtdPlumbers and heating engineers
- Evolve Electrical Engineering (South Wales) LimitedElectricians
- Glamorgan Build & Renovations LtdBuilders
- Margam Tyres LimitedMechanics and garages
- Dragon MOT Centre Cymer LimitedMechanics and garages
- Altura Energy LimitedCivil engineering
- Hillcrest View (Cwmtillery) LtdProperty developers
- Heol Broom (Maudlam) LtdProperty developers
What happens if Alcon Construction 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 10 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jul 2027 to 10 Aug 2027 | £150 |
| 1 to 3 months late | 11 Aug 2027 to 10 Oct 2027 | £375 |
| 3 to 6 months late | 11 Oct 2027 to 10 Jan 2028 | £750 |
| More than 6 months late | From 11 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16778263
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 October 2025 (1 year ago)
- Registered office
- 9 Owen Jones Way, Bryn, Port Talbot, SA13 2SJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Ascot (Kitchen and Bedrooms) Limited2005
- Bastion Fire Protection Ltd2026
- Bayview Aluminium Ltd2020
- Brian Evans Floor Screeders Limited2016
- C Install Limited2020
- C Property Limited2018
- Caerphilly Building&Landscaping Solutions Ltd2025
- D&M Wolmark Building Contractors Ltd2017
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 Alcon Construction Ltd's accounts due?
Alcon Construction Ltd's next accounts are due at Companies House by 10 July 2027 (in 271 days), covering the period to 31 October 2026.
When is Alcon Construction 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 9 October 2026, due by 9 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Alcon Construction Ltd still trading?
Alcon Construction 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 Alcon Construction Ltd do?
Alcon Construction Ltd is registered under Other construction installation (SIC 43290).
How old is Alcon Construction Ltd?
Alcon Construction Ltd was incorporated on 10 October 2025, 1 year ago.
What is the penalty if Alcon Construction 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 Alcon Construction Ltd on Companies House for filed documents, officers and the full history.
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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.