- Company number
- 17347525
- Incorporated
- 19 Jul 2026
- Registered office
- 27 Sorby Way, Rotherham, S66 1DR
- Nature of business
- Construction of commercial buildings
T1 Con Ltd is a newly incorporated private limited company registered in Rotherham, company number 17347525, one of 222 building contractors in Rotherham. Its next accounts are due at Companies House on 19 April 2028, and its first CT600 is due at HMRC on 18 July 2028.
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.
Is this your company?
File the first 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 T1 Con LtdOr 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.
Where T1 Con Ltd is registered
The registered office is in Rotherham (S66), in the Rotherham local authority area, Yorkshire and The Humber. Show S66 1DR on a map.
Other trade companies in S66
- Mac Elec Services LtdElectricians
- TLR Fire LtdInstallers
- Solar Tekk LtdInstallers
- Viper Roofing LtdInstallers
- Trebor Clad LtdBuilders
- Elite Con LtdBuilders
- Cav Wall LtdBuilders
- Tak Tech LtdBuilders
Shared registered office
38 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if T1 Con 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 19 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Apr 2028 to 19 May 2028 | £150 |
| 1 to 3 months late | 20 May 2028 to 19 Jul 2028 | £375 |
| 3 to 6 months late | 20 Jul 2028 to 19 Oct 2028 | £750 |
| More than 6 months late | From 20 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17347525
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 July 2026
- Registered office
- 27 Sorby Way, Rotherham, S66 1DR
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Rotherham
Other active building contractors registered in Rotherham.
- Tak Tech Ltd2026
- Taylor Made Construction (Yorkshire) Limited2025
- TG Geraghty Limited2023
- The Balcony CB Limited2020
- The Render Specialist Ltd2026
- Theo Slack Limited2026
- Thomas Renovations Ltd2026
- Three Hills Developments Limited2024
All building contractors in Rotherham · All trades in Rotherham · Builders across the UK
Frequently asked questions
When are T1 Con Ltd's accounts due?
T1 Con Ltd's next accounts are due at Companies House by 19 April 2028 (in 555 days), covering the period to 31 July 2027.
When is T1 Con 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 18 July 2027, due by 18 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is T1 Con Ltd still trading?
T1 Con 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 T1 Con Ltd do?
T1 Con Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is T1 Con Ltd?
T1 Con Ltd was incorporated on 19 July 2026, less than a year ago.
What is the penalty if T1 Con 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 T1 Con 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.