- Companies
- Groundworks and demolition
- London
- Alc Earthworks Ltd
Alc Earthworks Ltd
- Company number
- 13612477
- Incorporated
- 9 Sep 20215 years trading
- Registered office
- Suite 119, 128 Aldersgate Street, London, EC1A 4AE
- Nature of business
- Site preparation
Alc Earthworks Ltd is a 5-year-old private limited company registered in London, company number 13612477, one of 287 groundworks and demolition companies in London. Companies House shows its accounts as overdue: they were due on 31 August 2026.
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 £6,751 (+118.5%) on the year before, to £12K.
- Current assets of £3,958 against £16K owed within a year: 0.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | £12K | £3,958 | £16K | 2 | |
| 31 Aug 2023 | £5,698 | £102 | £5,800 | 2 | |
| 31 Aug 2022 | £5,752 | £124 | £5,876 | 0 |
Who runs and owns Alc Earthworks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| B*** J*** | Director | Sep 2021 |
Person with significant control
Where Alc Earthworks Ltd is registered
The registered office is in London (EC1A), in the Islington local authority area, London. Show EC1A 4AE on a map.
Other trade companies in EC1A
- Simply Crafted Architectural Gems LtdProperty developers
- Nordex Equipment Solutions LtdMachinery repair and installation
- Lewalos LtdMotor traders
- Relations Roofing & Construction LtdRoofers
- The Reboot City LtdRepair services
- Bowline Maintenance Services LimitedFinishing trades
- Beormund Mount Anvil LimitedProperty developers
- Seven Islands Mount Anvil LimitedProperty developers
What happens if Alc Earthworks Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 13612477
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2021 (5 years ago)
- Registered office
- Suite 119, 128 Aldersgate Street, London, EC1A 4AE
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 8 September 2025
- Previous names
- Concierge PR Ltd (until 16 Feb 2023)
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in London
Other active groundworks and demolition companies registered in London.
- Aldenham Ventures Limited2020
- Alla Activity Group Ltd.2024
- Ange Vengers Limited2016
- Apex Demolition Group Ltd2026
- Apk Creative Limited2022
- Aps A.H Perimeter Solutions Ltd2022
- Ar Med Research Group Ltd2026
- Arata Signage Ltd2021
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Alc Earthworks Ltd's accounts due?
Alc Earthworks Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Alc Earthworks Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Alc Earthworks Ltd still trading?
Alc Earthworks Ltd is listed as active on the Companies House register (checked 14 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 Alc Earthworks Ltd do?
Alc Earthworks Ltd is registered under Site preparation (SIC 43120).
How old is Alc Earthworks Ltd?
Alc Earthworks Ltd was incorporated on 9 September 2021, 5 years ago.
Who runs Alc Earthworks Ltd?
Alc Earthworks Ltd has 1 active director, the longest-serving appointed in Sep 2021. Their names and service addresses are on the Companies House register.
Who owns Alc Earthworks Ltd?
One person or company has significant control of Alc Earthworks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Alc Earthworks 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 Alc Earthworks Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 14 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.