- Companies
- Specialist contractors
- Huddersfield
- Energy Containment Concepts Limited
Energy Containment Concepts Limited
- Company number
- 05447392
- Incorporated
- 9 May 200521 years trading
- Registered office
- 19 Peel Street, Marsden, Huddersfield, West Yorkshire, HD7 6BW
- Nature of business
- Other specialised construction activities n.e.c.
Energy Containment Concepts Limited is a 21-year-old private limited company registered in Huddersfield, company number 05447392, one of 88 specialist construction companies in Huddersfield. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £6,455 (+0.2%) on the year before, to £2.8M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3.9M against £1.1M owed within a year: 3.5 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £2.8M | £2M | £3.9M | £1.1M | 3 |
| 30 Apr 2024 | £2.8M | £1.8M | £3M | £205K | 3 |
| 30 Apr 2023 | £2.7M | £1.8M | £3.2M | £467K | 3 |
| 30 Apr 2022 | £2.6M | £1.6M | £2.7M | £129K | 3 |
| 30 Apr 2021 | £2.7M | £1.9M | £3M | £369K | 3 |
| 30 Apr 2020 | £2.6M | £2.2M | £3M | £482K | 3 |
| 30 Apr 2019 | £2.4M | £1.7M | £2.7M | £253K | 3 |
| 30 Apr 2018 | £2.8M | £2.4M | £3.2M | £395K | 3 |
| 30 Apr 2017 | £2.6M | £1.6M | £3.3M | £785K | 3 |
| 30 Apr 2016 | £948K | £312K | £1.5M | £536K | 3 |
Who runs and owns Energy Containment Concepts Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| N*** W*** | Director | May 2005 |
| M*** B*** | Director | Sep 2005 |
| J*** W*** | Director | Nov 2005 |
| N*** W*** | Secretary | Nov 2005 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** W*** | Secretary | May 2005 | Nov 2005 |
People with significant control (3)
Charges (secured borrowing)
All 3 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Bank PLC | Satisfied Apr 2019 | Mar 2016 |
| Barclays Bank PLC | Satisfied Apr 2019 | Mar 2016 |
| Barclays Bank PLC | Satisfied Apr 2019 | Jul 2012 |
Public contracts won
Energy Containment Concepts Limited has 5 public sector contract awards on record; the ones with their own published value total £450K, from 2016 to 2025. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 3 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Police and Crime Commissioner for South Wales2 awards
- University of Kent1 award
- South Yorkshire Police Headquarters1 award
- Crown Commercial Service1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Police and Crime Commissioner for South Wales | Purchase of specialised firearm containment systems | £28K | 22 Oct 2025 |
| Police and Crime Commissioner for South Wales | Modular Training Facility | £179K | 26 Sep 2025 |
| University of Kent | Specialist Forensics Ballistics Container Unit | Ceiling, not shown | 7 Feb 2023 |
| South Yorkshire Police Headquarters | Provision of Installation of New Target Turning System to Doncaster Firing Range | £225K | 20 Aug 2019 |
| Crown Commercial Service | So15774 Firing Range Ventilation and Deep Clean Service Contract | £18K | 4 Mar 2016 |
Where Energy Containment Concepts Limited is registered
The registered office is in Huddersfield (HD7), in the Kirklees local authority area, Yorkshire and The Humber. Show HD7 6BW on a map.
Other trade companies in HD7
- SJ’S Autobody LtdMotor traders
- Prestige Property Renovations LtdFinishing trades
- G & B Property Ventures LtdProperty developers
- JL&Co Electrical LimitedElectricians
- JS Tech Installations LimitedCivil engineering
- Vinehouse Energy LtdInstallers
- Car Commercial Camper LimitedMechanics and garages
- O'Reilly Electrical Services LtdElectricians
What happens if Energy Containment Concepts 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 05447392
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 May 2005 (21 years ago)
- Registered office
- 19 Peel Street, Marsden, Huddersfield, West Yorkshire, HD7 6BW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 9 May 2026
- Charges (mortgages)
- 0 outstanding of 3 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Huddersfield
Other active specialist construction companies registered in Huddersfield.
- Fielding Solutions Ltd2012
- Firestop Systems (U.K.) Building Services Limited2006
- Firestop Systems (UK) Limited2002
- G & S Toilet Hire Ltd2017
- G H Surveys Ltd2019
- Geckops Ltd2008
- Green Deal Energy Advisor Ltd2018
- Haworth Plating & Welding Services Ltd2018
All specialist construction companies in Huddersfield · All trades in Huddersfield · Specialist contractors across the UK
Frequently asked questions
When are Energy Containment Concepts Limited's accounts due?
Energy Containment Concepts Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Energy Containment Concepts Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Energy Containment Concepts Limited still trading?
Energy Containment Concepts 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 Energy Containment Concepts Limited do?
Energy Containment Concepts Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Energy Containment Concepts Limited?
Energy Containment Concepts Limited was incorporated on 9 May 2005, 21 years ago.
Who runs Energy Containment Concepts Limited?
Energy Containment Concepts Limited has 3 active directors, the longest-serving appointed in May 2005. Their names and service addresses are on the Companies House register.
Who owns Energy Containment Concepts Limited?
3 people or companies have significant control of Energy Containment Concepts Limited: Ecc Group Holdings Limited (owns 75% or more of the shares); an individual (owns 25% to 50% of the shares through a firm); an individual (owns 25% to 50% of the shares through a firm).
Has Energy Containment Concepts Limited won public sector contracts?
Yes. Energy Containment Concepts Limited has 5 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £450K), most recently from Police and Crime Commissioner for South Wales.
What is the penalty if Energy Containment Concepts 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 Energy Containment Concepts 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.