- Company number
- 16818344
- Incorporated
- 29 Oct 2025
- Registered office
- 85A Elliman Avenue, Slough, SL2 5BD
- Nature of business
- Construction of commercial buildings
GSC Top Construction Ltd is a newly incorporated private limited company registered in Slough, company number 16818344, one of 683 building contractors in Slough. Its next accounts are due at Companies House on 29 July 2027, and its first CT600 is due at HMRC on 28 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 GSC Top Construction Ltd is registered
The registered office is in Slough (SL2), in the Slough local authority area, South East. Show SL2 5BD on a map.
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What happens if GSC Top 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 29 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jul 2027 to 29 Aug 2027 | £150 |
| 1 to 3 months late | 30 Aug 2027 to 29 Oct 2027 | £375 |
| 3 to 6 months late | 30 Oct 2027 to 29 Jan 2028 | £750 |
| More than 6 months late | From 30 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
- 16818344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 October 2025
- Registered office
- 85A Elliman Avenue, Slough, SL2 5BD
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (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 Slough
Other active building contractors registered in Slough.
- GSF Construction Ltd2020
- GSP Building Limited2024
- Guraya Construction Ltd2025
- Gurbir Singh Ltd2025
- Gurbir Singh1 Ltd2025
- Gurdish Singh Ltd2022
- Gurjit Singh 1 Ltd2019
- Gurna Construction Limited2016
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are GSC Top Construction Ltd's accounts due?
GSC Top Construction Ltd's next accounts are due at Companies House by 29 July 2027 (in 289 days), covering the period to 31 October 2026.
When is GSC Top 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 28 October 2026, due by 28 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 GSC Top Construction Ltd still trading?
GSC Top 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 GSC Top Construction Ltd do?
GSC Top Construction Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is GSC Top Construction Ltd?
GSC Top Construction Ltd was incorporated on 29 October 2025, less than a year ago.
What is the penalty if GSC Top 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 GSC Top Construction 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.