- Company number
- 14567306
- Incorporated
- 3 Jan 20233 years trading
- Registered office
- 100 Hassocks Road, London, SW16 5EZ
- Nature of business
- Construction of domestic buildings
Grounddown Construction Limited is a 3-year-old private limited company registered in London, company number 14567306, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £67K (+80.3%) on the year before, to £149K.
- Current assets of £65K against £40K owed within a year: 1.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £149K | £61K | £65K | £40K | 2 |
| 31 Jan 2025 | £83K | £77K | £81K | £72K | 2 |
| 31 Jan 2024 | £77K | £69K | £70K | £86K | 1 |
Where Grounddown Construction Limited is registered
The registered office is in London (SW16), in the Merton local authority area, London. Show SW16 5EZ on a map.
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What happens if Grounddown Construction 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 14567306
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 January 2023 (3 years ago)
- Registered office
- 100 Hassocks Road, London, SW16 5EZ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 2 January 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Groundform London Ltd2023
- Groundform RC Frames Ltd2024
- Groundpro Construction Ltd2024
- Group Ebs Limited2014
- Group Transport UK Limited2024
- Grove Construct Ltd2019
- Grove Park Land & New Homes Limited2021
- Grove Properties (Fenstanton) Limited1991
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Grounddown Construction Limited's accounts due?
Grounddown Construction Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Grounddown Construction Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Grounddown Construction Limited still trading?
Grounddown Construction 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 Grounddown Construction Limited do?
Grounddown Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Grounddown Construction Limited?
Grounddown Construction Limited was incorporated on 3 January 2023, 3 years ago.
What is the penalty if Grounddown Construction 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 Grounddown Construction 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.