- Companies
- Plumbers and heating engineers
- Alfreton
- Smart Energy Contractors Limited
Smart Energy Contractors Limited
- Company number
- 17137346
- Incorporated
- 6 Apr 2026
- Registered office
- 5 Hammer Leys, South Normanton, Alfreton, DE55 3AX
- Nature of business
- Plumbing, heat and air-conditioning installation
Smart Energy Contractors Limited is a newly incorporated private limited company registered in Alfreton, company number 17137346, one of 20 plumbing and heating companies in Alfreton. Its next accounts are due at Companies House on 6 January 2028, and its first CT600 is due at HMRC on 5 April 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 Smart Energy Contractors Limited is registered
The registered office is in Alfreton (DE55), in the Bolsover local authority area, East Midlands. Show DE55 3AX on a map.
Other trade companies in DE55
- The Rileys Group LtdCivil engineering
- Treadxwheelfix LtdMechanics and garages
- Sadie Plant LimitedCivil engineering
- TS Electrical & Testing LtdMachinery repair and installation
- Mays Property Maintenance LimitedSpecialist contractors
- RSW Automotive LtdMechanics and garages
- Seven Roofing Solutions (Amber Valley) LtdRoofers
- JWB Electrical Services LtdElectricians
What happens if Smart Energy Contractors Limited 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 6 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Jan 2028 to 6 Feb 2028 | £150 |
| 1 to 3 months late | 7 Feb 2028 to 6 Apr 2028 | £375 |
| 3 to 6 months late | 7 Apr 2028 to 6 Jul 2028 | £750 |
| More than 6 months late | From 7 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17137346
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 April 2026
- Registered office
- 5 Hammer Leys, South Normanton, Alfreton, DE55 3AX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (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 Alfreton
Other active plumbing and heating companies registered in Alfreton.
- Smgas Ltd2022
- Tandel Heating Limited2002
- A.E.C. Airconditioning and Refrigeration Services Ltd2014
- Andy Stevens Plumbing Ltd2013
- Bells Mechanical Services Ltd2025
- BMB Mechanical Ltd2019
- Clark Gas Ltd2018
- Dntaylor Plumbing & Heating Ltd2023
All plumbing and heating companies in Alfreton · All trades in Alfreton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smart Energy Contractors Limited's accounts due?
Smart Energy Contractors Limited's next accounts are due at Companies House by 6 January 2028 (in 450 days), covering the period to 30 April 2027.
When is Smart Energy Contractors Limited'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 April 2027, due by 5 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smart Energy Contractors Limited still trading?
Smart Energy Contractors Limited 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 Smart Energy Contractors Limited do?
Smart Energy Contractors Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smart Energy Contractors Limited?
Smart Energy Contractors Limited was incorporated on 6 April 2026, less than a year ago.
What is the penalty if Smart Energy Contractors Limited 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 Smart Energy Contractors Limited 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.