- Company number
- 17024496
- Incorporated
- 10 Feb 2026
- Registered office
- 21 Westminster Road, Sutton, SM1 3NJ
- Nature of business
- Construction of commercial buildings
Calyon Limited is a newly incorporated private limited company registered in Sutton, company number 17024496, one of 236 building contractors in Sutton. Its next accounts are due at Companies House on 10 November 2027, and its first CT600 is due at HMRC on 9 February 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.
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Where Calyon Limited is registered
The registered office is in Sutton (SM1), in the Sutton local authority area, London. Show SM1 3NJ on a map.
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Also registered at this address
1 other company uses the same registered office as Calyon Limited.
- Schwetz LimitedBuilders
What happens if Calyon 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 10 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Nov 2027 to 10 Dec 2027 | £150 |
| 1 to 3 months late | 11 Dec 2027 to 10 Feb 2028 | £375 |
| 3 to 6 months late | 11 Feb 2028 to 10 May 2028 | £750 |
| More than 6 months late | From 11 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17024496
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2026
- Registered office
- 21 Westminster Road, Sutton, SM1 3NJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 28 February (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 Sutton
Other active building contractors registered in Sutton.
- Carshalton Building Services Limited2012
- CDC Construct Limited2023
- Cedar Building Services (London) Ltd2020
- CGR Developments Ltd2024
- Chen & Lin Builders Limited2017
- Civic Build Solutions Ltd2025
- Clarence Loft & Extensions Ltd2025
- Cloudnine IT Services Ltd2015
All building contractors in Sutton · All trades in Sutton · Builders across the UK
Frequently asked questions
When are Calyon Limited's accounts due?
Calyon Limited's next accounts are due at Companies House by 10 November 2027 (in 394 days), covering the period to 28 February 2027.
When is Calyon 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 9 February 2027, due by 9 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Calyon Limited still trading?
Calyon 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 Calyon Limited do?
Calyon Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Calyon Limited?
Calyon Limited was incorporated on 10 February 2026, less than a year ago.
What is the penalty if Calyon 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 Calyon 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.