- Company number
- 17340760
- Incorporated
- 15 Jul 2026
- Registered office
- Flat 8 Dean Court, Kingston Road, Surbiton, KT5 9NY
- Nature of business
- Construction of commercial buildings; Freight transport by road
Constantin Gugean Ltd is a newly incorporated private limited company registered in Surbiton, company number 17340760, one of 86 building contractors in Surbiton. Its next accounts are due at Companies House on 15 April 2028, and its first CT600 is due at HMRC on 14 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?
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Where Constantin Gugean Ltd is registered
The registered office is in Surbiton (KT5), in the Kingston upon Thames local authority area, London. Show KT5 9NY on a map.
Other trade companies in KT5
- We Got You Covered Roofing & Driveways LimitedRoofers
- G&K Houston Services LtdBuilders
- Pipe IT LtdPlumbers and heating engineers
- May Living Spaces LtdBuilders
- Devicefix Tech LtdRepair services
- Voltanko Electricians LtdElectricians
- Wa Plumbing LtdPlumbers and heating engineers
- M Joinery Services LtdJoiners and carpenters
What happens if Constantin Gugean 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 15 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Apr 2028 to 15 May 2028 | £150 |
| 1 to 3 months late | 16 May 2028 to 15 Jul 2028 | £375 |
| 3 to 6 months late | 16 Jul 2028 to 15 Oct 2028 | £750 |
| More than 6 months late | From 16 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
- 17340760
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2026
- Registered office
- Flat 8 Dean Court, Kingston Road, Surbiton, KT5 9NY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Freight transport by road (SIC 49410) - 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 Surbiton
Other active building contractors registered in Surbiton.
- Cosy Homes Property Maintenance Ltd2021
- CSS Contracts Ltd2011
- Davies Creative Property Ltd2021
- Dealsanio Ltd2022
- Diesel Construction Limited2020
- DNM London Limited2025
- Eden Luxe (Grey Squirrels) Limited2018
- Eden Luxe (One) Ltd2017
All building contractors in Surbiton · All trades in Surbiton · Builders across the UK
Frequently asked questions
When are Constantin Gugean Ltd's accounts due?
Constantin Gugean Ltd's next accounts are due at Companies House by 15 April 2028 (in 550 days), covering the period to 31 July 2027.
When is Constantin Gugean 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 14 July 2027, due by 14 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 Constantin Gugean Ltd still trading?
Constantin Gugean 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 Constantin Gugean Ltd do?
Constantin Gugean Ltd is registered under Construction of commercial buildings (SIC 41201); Freight transport by road (SIC 49410).
How old is Constantin Gugean Ltd?
Constantin Gugean Ltd was incorporated on 15 July 2026, less than a year ago.
What is the penalty if Constantin Gugean 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 Constantin Gugean 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.