- Companies
- Civil engineering
- Treorchy
- Iri Reinforcements & Concrete Limited
Iri Reinforcements & Concrete Limited
- Company number
- 16087558
- Incorporated
- 18 Nov 20241 year trading
- Registered office
- 77 Bute Street, Bute Street, Treorchy, CF42 6AH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Iri Reinforcements & Concrete Limited is a 1-year-old private limited company registered in Treorchy, company number 16087558, one of 5 civil engineering contractors in Treorchy. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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 Iri Reinforcements & Concrete LimitedOr 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.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Who runs and owns Iri Reinforcements & Concrete Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| I*** D*** | Director | Nov 2024 |
| I*** J*** | Director | Nov 2024 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| R*** P*** | Director | Nov 2024 | Feb 2025 |
People with significant control (2)
Where Iri Reinforcements & Concrete Limited is registered
The registered office is in Treorchy (CF42), in the Rhondda Cynon Taf local authority area, Wales. Show CF42 6AH on a map.
Other trade companies in CF42
- Eagle.Pro.Roofing.UK. LtdRoofers
- Valley Flooring LtdFloor and wall tilers
- LL Property Partners LtdProperty developers
- A1 Lifting Operations LimitedCivil engineering
- Lewys Electrical LtdElectricians
- Pro-Renovate LtdProperty developers
- A & K Plastering and Rendering LtdBuilders
- Treorchy Hand Carwash 1 LtdCleaning companies
Also registered at this address
22 other companies use the same registered office as Iri Reinforcements & Concrete Limited.
- A Helping Hand Commercial Cleaning LimitedCleaning companies
- CDJ Electrical LtdElectricians
- Concept Carpentry Services LimitedInstallers
- Coresafe Environmental LimitedSpecialist contractors
- Ebt Drylining LtdFinishing trades
- G Richards Builders LtdSpecialist contractors
- Hughes Brothers Roofing LtdRoofers
- Jay Hughes Roofing Solutions LimitedRoofers
- K2 Resin Specialists LimitedSpecialist contractors
- Kes Electrical Services South Wales LimitedElectricians
- Lewis.Plumbing.Heating LtdPlumbers and heating engineers
- MDS Heating Installations LimitedElectricians
- MOT & Auto Centre LtdMechanics and garages
- NCJ Drylining LtdPlasterers
- Premier Insulation & Building Treatments LimitedSpecialist contractors
- Pro Renewable UK LtdInstallers
- Pro-Renovate LtdProperty developers
- Sej Roofing LtdRoofers
- South Wales Vent Systems LtdInstallers
- TG Scaffolding (Pontypridd) LtdScaffolders
- The Win-Door Avenue LtdGlaziers
- Watts Scaffolding Services SW LimitedScaffolders
What happens if Iri Reinforcements & Concrete 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16087558
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 November 2024 (1 year ago)
- Registered office
- 77 Bute Street, Bute Street, Treorchy, CF42 6AH
- 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 2026
- Last confirmation statement
- 12 November 2025
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 Treorchy
Other active civil engineering contractors registered in Treorchy.
- Lockstone Homes Ltd2025
- Shangri Construction Ltd2023
- A1 Lifting Operations Limited2026
- C.S.C Welding Ltd2022
All civil engineering contractors in Treorchy · All trades in Treorchy · Civil engineering across the UK
Frequently asked questions
When are Iri Reinforcements & Concrete Limited's accounts due?
Iri Reinforcements & Concrete Limited's next accounts are due at Companies House by 31 December 2027 (in 443 days), covering the period to 31 March 2027.
When is Iri Reinforcements & Concrete Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Iri Reinforcements & Concrete Limited still trading?
Iri Reinforcements & Concrete 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 Iri Reinforcements & Concrete Limited do?
Iri Reinforcements & Concrete Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Iri Reinforcements & Concrete Limited?
Iri Reinforcements & Concrete Limited was incorporated on 18 November 2024, 1 year ago.
Who runs Iri Reinforcements & Concrete Limited?
Iri Reinforcements & Concrete Limited has 2 active directors, the longest-serving appointed in Nov 2024. Their names and service addresses are on the Companies House register.
Who owns Iri Reinforcements & Concrete Limited?
2 people or companies have significant control of Iri Reinforcements & Concrete Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Iri Reinforcements & Concrete 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 Iri Reinforcements & Concrete 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.