- Companies
- Specialist contractors
- London
- Groundworks LDN Limited
Groundworks LDN Limited
- Company number
- 13988750
- Incorporated
- 19 Mar 20224 years trading
- Registered office
- 128 Cannon Workshops Cannon Drive, Canary Wharf, London, E14 4AS
- Nature of business
- Other specialised construction activities n.e.c.
Groundworks LDN Limited is a 4-year-old private limited company registered in London, company number 13988750, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £25K (+77.9%) on the year before, to £57K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £59K against £10K owed within a year: 5.6 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 4 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £57K | £3,847 | £59K | £10K | 3 |
| 31 Dec 2024 | £32K | £1,492 | £4,160 | £27K | 3 |
| 31 Dec 2023 | £25K | £2,085 | £34K | £9,866 | 0 |
| 31 Mar 2023 | £11K | £750 | £15K | £4,047 | 1 |
Who runs and owns Groundworks LDN Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| O*** B*** | Director | Mar 2022 |
Person with significant control
Where Groundworks LDN Limited is registered
The registered office is in London (E14), in the Tower Hamlets local authority area, London. Show E14 4AS on a map.
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- Gasi Cleaning Co LtdCleaning companies
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Also registered at this address
1 other company uses the same registered office as Groundworks LDN Limited.
- L & R Development LtdProperty developers
What happens if Groundworks LDN 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13988750
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 March 2022 (4 years ago)
- Registered office
- 128 Cannon Workshops Cannon Drive, Canary Wharf, London, E14 4AS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 March 2026
- Previous names
- Templar Groundworks LDN Limited (until 25 Feb 2025)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- GS Home Solutions - Insulation Specialists Ltd2026
- GSB Home Solutions Ltd2021
- GSC Building Services Consultants Ltd2022
- GSLT Ltd2025
- GTS Siteworks Ltd2025
- Guardeco Ltd2023
- Guardian Fire Door Inspections Limited2025
- Guardian Home Repair Ltd2024
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Groundworks LDN Limited's accounts due?
Groundworks LDN Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Groundworks LDN Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Groundworks LDN Limited still trading?
Groundworks LDN 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 Groundworks LDN Limited do?
Groundworks LDN Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Groundworks LDN Limited?
Groundworks LDN Limited was incorporated on 19 March 2022, 4 years ago.
Who runs Groundworks LDN Limited?
Groundworks LDN Limited has 1 active director, the longest-serving appointed in Mar 2022. Their names and service addresses are on the Companies House register.
Who owns Groundworks LDN Limited?
One person or company has significant control of Groundworks LDN Limited: an individual (owns 75% or more of the shares).
What is the penalty if Groundworks LDN 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 Groundworks LDN 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.