- Companies
- Civil engineering
- Enfield
- Glenna Limited
Glenna Limited
- Company number
- 05177436
- Incorporated
- 12 Jul 200422 years trading
- Registered office
- 16 Porlock Road, Enfield, Middx, EN1 2NH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Glenna Limited is a 22-year-old private limited company registered in Enfield, company number 05177436, one of 56 civil engineering contractors in Enfield. 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 £73K (+110.4%) on the year before, to £139K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £224K against £87K owed within a year: 2.6 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £139K | £224K | £224K | £87K | 2 |
| 31 Jul 2024 | £66K | £149K | £149K | £77K | 2 |
| 31 Jul 2023 | £33K | £67K | £82K | £33K | 2 |
| 31 Jul 2022 | £32K | £70K | £72K | £16K | 2 |
| 31 Jul 2021 | £33K | £78K | £78K | £4,719 | 2 |
| 31 Jul 2020 | £39K | £45K | £46K | £7,000 | 2 |
| 31 Jul 2019 | £41K | £29K | £75K | £34K | 2 |
| 31 Jul 2018 | £4,723 | £7,481 | £7,803 | £3,449 | 2 |
| 31 Jul 2017 | £20K | £27K | £27K | £7,337 | 2 |
| 31 Jul 2016 | £35K | £27K | £51K | £16K |
Where Glenna Limited is registered
The registered office is in Enfield (EN1), in the Enfield local authority area, London. Show EN1 2NH on a map.
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What happens if Glenna 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
- 05177436
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 July 2004 (22 years ago)
- Registered office
- 16 Porlock Road, Enfield, Middx, EN1 2NH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 27 September 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Enfield
Other active civil engineering contractors registered in Enfield.
- H D Roofing & Building Solutions Ltd2021
- Hinton Utility Services Ltd2025
- Inferno Design Solutions Ltd2026
- Josmeken (PVT) Ltd2014
- Lis Design and Engineering Ltd.2017
- LMC Contracts Ltd2005
- Lulaj Utility Ltd2025
- Marlow Construction Limited2012
All civil engineering contractors in Enfield · All trades in Enfield · Civil engineering across the UK
Frequently asked questions
When are Glenna Limited's accounts due?
Glenna Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Glenna 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 Glenna Limited still trading?
Glenna Limited is listed as active on the Companies House register (checked 12 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 Glenna Limited do?
Glenna Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Glenna Limited?
Glenna Limited was incorporated on 12 July 2004, 22 years ago.
What is the penalty if Glenna 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 Glenna Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.