- Companies
- Groundworks and demolition
- London
- Kingdom Diamond Drilling Limited
Kingdom Diamond Drilling Limited
- Company number
- 11280023
- Incorporated
- 28 Mar 20188 years trading
- Registered office
- 10 Estcourt Road, London, SE25 4SD
- Nature of business
- Demolition; Test drilling and boring
Kingdom Diamond Drilling Limited is a 8-year-old private limited company registered in London, company number 11280023, one of 287 groundworks and demolition companies in London. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 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 down £5,346 (-6.7%) on the year before, to £75K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £62K against £11K owed within a year: 5.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £75K | £62K | £11K | 0 | |
| 31 Mar 2024 | £80K | £80K | £10K | 3 | |
| 31 Mar 2023 | £70K | £70K | £6,723 | 3 | |
| 31 Mar 2022 | £62K | £60K | £5,862 | 3 | |
| 31 Mar 2021 | £58K | £65K | £15K | 3 | |
| 31 Mar 2020 | £46K | £60K | £14K | 3 | |
| 31 Mar 2019 | £7,705 | £38K | £31K |
Where Kingdom Diamond Drilling Limited is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 4SD on a map.
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Also registered at this address
1 other company uses the same registered office as Kingdom Diamond Drilling Limited.
What happens if Kingdom Diamond Drilling 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 11280023
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2018 (8 years ago)
- Registered office
- 10 Estcourt Road, London, SE25 4SD
- Nature of business
- Demolition (SIC 43110)
Test drilling and boring (SIC 43130) - Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 March 2026
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.
- Kkirkov Ltd2025
- Kolumn Solutions Ltd2020
- KPS Projects Ltd2021
- Labour Solutions Ltd2025
- Labourtek Ltd2018
- Langham Construction Services Ltd2025
- Lasting Solutions Ltd2018
- Lebedko Demolition Ltd2025
All groundworks and demolition companies in London · All trades in London · Groundworks and demolition across the UK
Frequently asked questions
When are Kingdom Diamond Drilling Limited's accounts due?
Kingdom Diamond Drilling Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Kingdom Diamond Drilling Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Kingdom Diamond Drilling Limited still trading?
Kingdom Diamond Drilling 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 Kingdom Diamond Drilling Limited do?
Kingdom Diamond Drilling Limited is registered under Demolition (SIC 43110); Test drilling and boring (SIC 43130).
How old is Kingdom Diamond Drilling Limited?
Kingdom Diamond Drilling Limited was incorporated on 28 March 2018, 8 years ago.
What is the penalty if Kingdom Diamond Drilling 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 Kingdom Diamond Drilling 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.