- Companies
- Specialist contractors
- Workington
- Energy Efficient Window Systems Limited
Energy Efficient Window Systems Limited
- Company number
- 13373206
- Incorporated
- 4 May 20215 years trading
- Registered office
- Tarn Howe Lakes Road, Derwent Howe Industrial Estate, Workington, Cumbria, CA14 3YP
- Nature of business
- Other specialised construction activities n.e.c.
Energy Efficient Window Systems Limited is a 5-year-old private limited company registered in Workington, company number 13373206, one of 9 specialist construction companies in Workington. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Energy Efficient Window Systems LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns Energy Efficient Window Systems Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| R*** F*** | Director | May 2021 |
| A*** S*** | Director | May 2021 |
| J*** S*** | Director | May 2021 |
| G*** D*** | Director | Apr 2024 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** H*** | Director | Nov 2021 | Sep 2023 |
| R*** H*** | Director | Nov 2021 | Jul 2023 |
People with significant control (4)
Where Energy Efficient Window Systems Limited is registered
The registered office is in Workington (CA14), in the Cumberland local authority area, North West. Show CA14 3YP on a map.
Other trade companies in CA14
- Premier Heating Solutions Cumbria LimitedPlumbers and heating engineers
- Northern Resin LtdFloor and wall tilers
- GRT Property Solutions LtdPlumbers and heating engineers
- Jre Partitions and Ceilings LimitedInstallers
- Fellside Homes & Renovations(Cumbria) LtdProperty developers
- Pristine Plumb & Bath LtdPlumbers and heating engineers
- The Cumbrian Painting Company LtdBuilders
- J.Proud Plastering LtdPlasterers
Also registered at this address
2 other companies use the same registered office as Energy Efficient Window Systems Limited.
- Stobbarts Electrical LimitedElectricians
- Stobbarts LimitedBuilders
What happens if Energy Efficient Window Systems 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13373206
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 2021 (5 years ago)
- Registered office
- Tarn Howe Lakes Road, Derwent Howe Industrial Estate, Workington, Cumbria, CA14 3YP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 April 2026
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 Workington
Other active specialist construction companies registered in Workington.
- Helgar Offshore Safety Limited2013
- Lake District Property Services Ltd2026
- M&D Wallace E&I Ltd2008
- Mahoney Building Services Limited2005
- Solway Blast Cleaning Limited2011
- Top Storry Access Ltd2017
- Allerdale Thermal Insulation Limited2022
- Dargavel Engineering Limited1995
All specialist construction companies in Workington · All trades in Workington · Specialist contractors across the UK
Frequently asked questions
When are Energy Efficient Window Systems Limited's accounts due?
Energy Efficient Window Systems Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Energy Efficient Window Systems Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Energy Efficient Window Systems Limited still trading?
Energy Efficient Window Systems 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 Efficient Window Systems Limited do?
Energy Efficient Window Systems Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Energy Efficient Window Systems Limited?
Energy Efficient Window Systems Limited was incorporated on 4 May 2021, 5 years ago.
Who runs Energy Efficient Window Systems Limited?
Energy Efficient Window Systems Limited has 4 active directors, the longest-serving appointed in May 2021. Their names and service addresses are on the Companies House register.
Who owns Energy Efficient Window Systems Limited?
4 people or companies have significant control of Energy Efficient Window Systems Limited: an individual (has significant influence or control); an individual (has significant influence or control); an individual (has significant influence or control); an individual (has significant influence or control).
What is the penalty if Energy Efficient Window Systems 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 Efficient Window Systems 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.