- Companies
- Installers
- London
- Glennbrooke Limited
Glennbrooke Limited
- Company number
- 14139591
- Incorporated
- 30 May 20224 years trading
- Registered office
- 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Other construction installation; Event catering activities; Renting and leasing of construction and civil engineering machinery and equipment; Other service activities n.e.c.
Glennbrooke Limited is a 4-year-old private limited company registered in London, company number 14139591, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £50K on the year before, to £50K.
- Current assets of £34K against £6,098 owed within a year: 5.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £50K | £34K | £6,098 | 2 | |
| 31 May 2024 | £1 | £1 | |||
| 31 May 2023 | £1 | £1 |
Where Glennbrooke Limited is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Glennbrooke 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14139591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 May 2022 (4 years ago)
- Registered office
- 167-169 Great Portland Street, London, W1W 5PF
- Nature of business
- Other construction installation (SIC 43290)
Event catering activities (SIC 56210)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 29 May 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Global Build Finishes Ltd2026
- Global Building and Designs Limited2001
- Global Energy London Ltd2020
- Global Roadtech Ltd2025
- Global Skills Construction Ltd2022
- Gloozy Limited2017
- GM Creations Ltd2024
- Gness Global Limited2023
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Glennbrooke Limited's accounts due?
Glennbrooke Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Glennbrooke Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Glennbrooke Limited still trading?
Glennbrooke 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 Glennbrooke Limited do?
Glennbrooke Limited is registered under Other construction installation (SIC 43290); Event catering activities (SIC 56210); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320); Other service activities n.e.c. (SIC 96090).
How old is Glennbrooke Limited?
Glennbrooke Limited was incorporated on 30 May 2022, 4 years ago.
What is the penalty if Glennbrooke 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 Glennbrooke 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.