- Company number
- 09125384
- Incorporated
- 10 Jul 201412 years trading
- Registered office
- Unit 8 Bessemer Court, Hownsgill Industrial Park Knitsley Lane, Consett, County Durham, DH8 7BL
- Nature of business
- Glazing
Energy Efficient Windows Limited is a 12-year-old private limited company registered in Consett, company number 09125384, one of 5 glazing companies in Consett. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £52K (+20.2%) on the year before, to £306K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £169K against £81K owed within a year: 2.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £306K | £153K | £169K | £81K | 0 |
| 31 Jul 2024 | £255K | £156K | £157K | £83K | 5 |
| 31 Jul 2023 | £193K | £47K | £101K | £78K | 3 |
| 31 Jul 2022 | £142K | £151K | £51K | 2 | |
| 31 Jul 2021 | £79K | £66K | £35K | 2 | |
| 31 Jul 2020 | £12K | £65K | £35K | 1 | |
| 31 Jul 2019 | £20K | £51K | £37K | ||
| 31 Jul 2018 | £7,821 | £39K | £36K | ||
| 31 Jul 2017 | £12K | £35K | £26K | ||
| 31 Jul 2016 | £6,203 | £44K | £38K |
Where Energy Efficient Windows Limited is registered
The registered office is in Consett (DH8), in the County Durham local authority area, North East. Show DH8 7BL on a map.
Other trade companies in DH8
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- Machine Service Solutions LtdMachinery repair and installation
- Ag Motors Ne LimitedMotor traders
- SWS Scaffolding Ne LimitedScaffolders
- GH Management and Operator Services North East LtdSpecialist contractors
- Avana Property Solutions LimitedProperty developers
- Promptech Mechanical LtdBuilders
- Kee Home Solutions LtdJoiners and carpenters
What happens if Energy Efficient Windows 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 09125384
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2014 (12 years ago)
- Registered office
- Unit 8 Bessemer Court, Hownsgill Industrial Park Knitsley Lane, Consett, County Durham, DH8 7BL
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 4 July 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Consett
Other active glazing companies registered in Consett.
- Energy Glaze Ltd2013
- Harris Windows and Doors Ltd2019
- Staybright Glazing Ltd2026
- Derwent Glass Supplies Ltd2011
All glazing companies in Consett · All trades in Consett · Glaziers across the UK
Frequently asked questions
When are Energy Efficient Windows Limited's accounts due?
Energy Efficient Windows Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Energy Efficient Windows Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Energy Efficient Windows Limited still trading?
Energy Efficient Windows 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 Windows Limited do?
Energy Efficient Windows Limited is registered under Glazing (SIC 43342).
How old is Energy Efficient Windows Limited?
Energy Efficient Windows Limited was incorporated on 10 July 2014, 12 years ago.
What is the penalty if Energy Efficient Windows 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 Windows 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.