- Companies
- Plumbers and heating engineers
- Manchester
- DKT-A Optimal Energy Ltd
DKT-A Optimal Energy Ltd
- Company number
- 16683559
- Incorporated
- 31 Aug 20251 year trading
- Registered office
- 6 Hastings Road, Prestwich, Manchester, M25 1PF
- Nature of business
- Plumbing, heat and air-conditioning installation
DKT-A Optimal Energy Ltd is a 1-year-old private limited company registered in Manchester, company number 16683559, one of 361 plumbing and heating companies in Manchester. Its next accounts are due at Companies House on 31 May 2027, and its first CT600 is due at HMRC on 30 August 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 DKT-A Optimal Energy Ltd is registered
The registered office is in Manchester (M25), in the Bury local authority area, North West. Show M25 1PF on a map.
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What happens if DKT-A Optimal Energy 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16683559
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 August 2025 (1 year ago)
- Registered office
- 6 Hastings Road, Prestwich, Manchester, M25 1PF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 30 August 2026
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 Manchester
Other active plumbing and heating companies registered in Manchester.
- DLS Bathrooms Ltd2026
- DMS Heating Ltd2026
- DR Cooler Ltd2025
- DR Heating and Cooling Services Limited2019
- DRS Mechanical Contractors Ltd2018
- Dura Ace Plumbing & Heating Ltd2021
- Dynamic Climate Solutions Ltd2026
- Echoeco Limited2026
All plumbing and heating companies in Manchester · All trades in Manchester · Plumbers and heating engineers across the UK
Frequently asked questions
When are DKT-A Optimal Energy Ltd's accounts due?
DKT-A Optimal Energy Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is DKT-A Optimal Energy 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 30 August 2026, due by 30 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is DKT-A Optimal Energy Ltd still trading?
DKT-A Optimal Energy 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 DKT-A Optimal Energy Ltd do?
DKT-A Optimal Energy Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DKT-A Optimal Energy Ltd?
DKT-A Optimal Energy Ltd was incorporated on 31 August 2025, 1 year ago.
What is the penalty if DKT-A Optimal Energy 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 DKT-A Optimal Energy 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.