- Company number
- 15882350
- Incorporated
- 6 Aug 20242 years trading
- Registered office
- 7 Carmarthen Road, Slough, SL1 3PT
- Nature of business
- Construction of domestic buildings
Ddconstruction 7 Ltd is a 2-year-old private limited company registered in Slough, company number 15882350, one of 683 building contractors in Slough. Companies House shows its accounts as overdue: they were due on 6 May 2026.
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 Ddconstruction 7 Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 3PT on a map.
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What happens if Ddconstruction 7 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 | 7 May 2026 to 6 Jun 2026 | £150 |
| 1 to 3 months late | 7 Jun 2026 to 6 Aug 2026 | £375 |
| 3 to 6 months late | 7 Aug 2026 to 6 Nov 2026 | £750 |
| More than 6 months late | From 7 Nov 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
- 15882350
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2024 (2 years ago)
- Registered office
- 7 Carmarthen Road, Slough, SL1 3PT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 August 2026
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.
- Deep Properties Slough Ltd2023
- Demiqbill Works Ltd2025
- Denir Construction Solutions Ltd2026
- Deol Scaffolding Limited2023
- Deol Super Construction Ltd2020
- Design & Build Home Improvements Ltd2026
- Dev & J Construction Co Ltd2026
- DH London Construction Limited2021
All building contractors in Slough · All trades in Slough · Builders across the UK
Frequently asked questions
When are Ddconstruction 7 Ltd's accounts due?
Ddconstruction 7 Ltd's accounts were due at Companies House on 6 May 2026 and the register shows them as overdue.
When is Ddconstruction 7 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 5 August 2025, due by 5 August 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ddconstruction 7 Ltd still trading?
Ddconstruction 7 Ltd is listed as active on the Companies House register (checked 12 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 Ddconstruction 7 Ltd do?
Ddconstruction 7 Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Ddconstruction 7 Ltd?
Ddconstruction 7 Ltd was incorporated on 6 August 2024, 2 years ago.
What is the penalty if Ddconstruction 7 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 Ddconstruction 7 Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.