- Companies
- Plumbers and heating engineers
- Dunfermline
- DD4 Topco Ltd
DD4 Topco Ltd
- Company number
- SC894529
- Incorporated
- 30 Jun 2026
- Registered office
- 6 Phoenix Lane, 6 Phoenix Lane, Dunfermline, Fife, KY12 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation
DD4 Topco Ltd is a newly incorporated private limited company registered in Dunfermline, company number SC894529, one of 35 plumbing and heating companies in Dunfermline. Its next accounts are due at Companies House on 31 March 2028, and its first CT600 is due at HMRC on 29 June 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 DD4 Topco Ltd is registered
The registered office is in Dunfermline (KY12), in the Fife local authority area, Scotland. Show KY12 9EB on a map.
Other trade companies in KY12
- PL Automotive LimitedMechanics and garages
- Inchyra Motors LimitedMechanics and garages
- Signature Landscapes Scotland LtdGroundworks and demolition
- Aw Vehicle Welding and Restoration LtdMechanics and garages
- 506 Gas Services LimitedPlumbers and heating engineers
- Amerio Developments LimitedProperty developers
- Casserly Capital LtdProperty developers
- Opus Vera LtdPlumbers and heating engineers
What happens if DD4 Topco 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 31 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- SC894529
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2026
- Registered office
- 6 Phoenix Lane, 6 Phoenix Lane, Dunfermline, Fife, KY12 9EB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Dunfermline
Other active plumbing and heating companies registered in Dunfermline.
- Dey Gas & Heating Engineers Ltd2020
- DLK Technologies Ltd2022
- Duloch Gas Ltd2021
- Eccles Heating Services Limited2022
- Gas-Tec (Fife) Ltd.2012
- Greensource Plumbing&Heating Ltd2024
- Handyman Scot Ltd2025
- Heatingly Ltd2021
All plumbing and heating companies in Dunfermline · All trades in Dunfermline · Plumbers and heating engineers across the UK
Frequently asked questions
When are DD4 Topco Ltd's accounts due?
DD4 Topco Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is DD4 Topco 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 29 June 2027, due by 29 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is DD4 Topco Ltd still trading?
DD4 Topco 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 DD4 Topco Ltd do?
DD4 Topco Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DD4 Topco Ltd?
DD4 Topco Ltd was incorporated on 30 June 2026, less than a year ago.
What is the penalty if DD4 Topco 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 DD4 Topco 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.