- Companies
- Installers
- London
- HGM Windows Ltd
HGM Windows Ltd
- Company number
- 12626171
- Incorporated
- 27 May 20206 years trading
- Registered office
- Unit 115, Accounts by Simply, 40Gracechurch Street, London, EC3V 0BT
- Nature of business
- Other construction installation; Glazing
HGM Windows Ltd is a 6-year-old private limited company registered in London, company number 12626171, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 £5,692 (+76.6%) on the year before, to £13K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £21K against £8,685 owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £13K | £310 | £21K | £8,685 | 1 |
| 31 May 2025 | £7,426 | £2,681 | £16K | £9,169 | 1 |
| 31 May 2024 | £12K | £3,668 | £18K | £7,044 | 1 |
| 31 May 2023 | £18K | £3,468 | £18K | 1 | |
| 31 May 2022 | £35K | £14K | £42K | £7,368 | 1 |
| 31 May 2021 | £10K | £13K | £13K | £2,799 | 0 |
Where HGM Windows Ltd is registered
The registered office is in London (EC3V), in the City of London local authority area, London. Show EC3V 0BT on a map.
Other trade companies in EC3V
- Rekondition LtdRepair services
- Revora Cleaning & Hygiene Solutions LtdCleaning companies
- Kingston Leeds LimitedProperty developers
- Riverside Cleaning Group LtdCleaning companies
- Milman Services LtdInstallers
- F and F Electrical Services LtdElectricians
- Lilyame LimitedProperty developers
- Truewatt LtdElectricians
Shared registered office
26 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 HGM Windows Ltd 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 12626171
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2020 (6 years ago)
- Registered office
- Unit 115, Accounts by Simply, 40Gracechurch Street, London, EC3V 0BT
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 30 October 2025
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.
- High Group Ltd2019
- Highend Stone Works Ltd2020
- Highland Build Ltd2025
- His Interior Solutions Ltd2023
- HKN Constructions Limited2016
- HM Elite Construction Limited2025
- HMT Retail Ltd2024
- HNS Aluminium Systems Ltd2018
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are HGM Windows Ltd's accounts due?
HGM Windows Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is HGM Windows Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is HGM Windows Ltd still trading?
HGM Windows Ltd 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 HGM Windows Ltd do?
HGM Windows Ltd is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is HGM Windows Ltd?
HGM Windows Ltd was incorporated on 27 May 2020, 6 years ago.
What is the penalty if HGM Windows Ltd 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 HGM Windows Ltd 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.