CS Construction Projects Ltd
- Company number
- SC779894
- Incorporated
- 22 Aug 20233 years trading
- Registered office
- Unit 12 Bankhead Drive, Portlethen, Aberdeen, AB12 4XX
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
CS Construction Projects Ltd is a 3-year-old private limited company registered in Portlethen, company number SC779894, one of the UK's building contractors. Companies House shows its accounts as overdue: they were due on 31 May 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 August 2024, as filed at Companies House.
Where CS Construction Projects Ltd is registered
The registered office is in Portlethen (AB12), in the Aberdeenshire local authority area, Scotland. Show AB12 4XX on a map.
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- NDS Access. LtdCleaning companies
- Control Valve Support LtdMachinery repair and installation
- Emr Homeservice LimitedPlumbers and heating engineers
- Macgregor Fabrications LtdSpecialist contractors
- Wke LtdMachinery repair and installation
- Joshconstruction&Metal LimitedSpecialist contractors
What happens if CS Construction Projects Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- SC779894
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2023 (3 years ago)
- Registered office
- Unit 12 Bankhead Drive, Portlethen, Aberdeen, AB12 4XX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 21 August 2025
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
Other active building contractors.
Frequently asked questions
When are CS Construction Projects Ltd's accounts due?
CS Construction Projects Ltd's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.
When is CS Construction Projects Ltd's CT600 due?
The CT600 for the period to 31 August 2025 is due at HMRC by 31 August 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2026.
Is CS Construction Projects Ltd still trading?
CS Construction Projects Ltd is listed as active on the Companies House register (checked 13 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 CS Construction Projects Ltd do?
CS Construction Projects Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is CS Construction Projects Ltd?
CS Construction Projects Ltd was incorporated on 22 August 2023, 3 years ago.
What is the penalty if CS Construction Projects 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 CS Construction Projects Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.