- Companies
- Groundworks and demolition
- Colchester
- Swecos Diamond Drilling Limited
Swecos Diamond Drilling Limited
- Company number
- 14953206
- Incorporated
- 22 Jun 20233 years trading
- Registered office
- The Coach House, Headgate, Colchester, Essex, CO3 3BT
- Nature of business
- Site preparation
Swecos Diamond Drilling Limited is a 3-year-old private limited company registered in Colchester, company number 14953206, one of 21 groundworks and demolition companies in Colchester. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 unchanged on the year before, at £100.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £100 | £100 | 2 | ||
| 30 Jun 2024 | £100 | £100 |
Where Swecos Diamond Drilling Limited is registered
The registered office is in Colchester (CO3), in the Colchester local authority area, East of England. Show CO3 3BT on a map.
Other trade companies in CO3
- Quick Air LtdMechanics and garages
- Swahn Contractors LtdRoofers
- Patrick Construction LtdBuilders
- SJP Projects & Design LtdSpecialist contractors
- Besi Hand Car Wash LtdCleaning companies
- Besi Tyres LtdMechanics and garages
- Star B Capital LimitedBuilders
- McGregor Builders LtdBuilders
Also registered at this address
14 other companies use the same registered office as Swecos Diamond Drilling Limited.
- Abode Projects Essex LtdProperty developers
- Acon Construction Group LimitedSpecialist contractors
- Anglian Decorating Services LimitedPainters and decorators
- Baa Groundcare LtdLandscapers and gardeners
- Barker Automotive Vehicle Specialist LtdMechanics and garages
- CRH Electrical LimitedElectricians
- Hillrise Homes LimitedProperty developers
- K A Cleaning LimitedCleaning companies
- Maintenance First LimitedFacilities management
- Perfect Rooms LimitedInstallers
- Red Plumbing & Heating Services LtdPlumbers and heating engineers
- S.T.C Carpentry LimitedCivil engineering
- Swecos Structural Alterations LimitedBuilders
- W B Humm Carpentry LimitedJoiners and carpenters
What happens if Swecos 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14953206
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 June 2023 (3 years ago)
- Registered office
- The Coach House, Headgate, Colchester, Essex, CO3 3BT
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 21 June 2026
- Previous names
- Swecos Ground Works and RC Limited (until 3 Sep 2025)
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 Colchester
Other active groundworks and demolition companies registered in Colchester.
- Terra Analytical UK Ltd2022
- V&J Renovations Limited2020
- Advanced Aerials (Av) Ltd2003
- Bayoak Demo Limited2001
- Core Construction Solutions Ltd2011
- Dig IT Up Groundworks SW Ltd2025
- Essex Groundworks Limited2014
- Etienne Da Cunha Naa Ltd2024
All groundworks and demolition companies in Colchester · All trades in Colchester · Groundworks and demolition across the UK
Frequently asked questions
When are Swecos Diamond Drilling Limited's accounts due?
Swecos Diamond Drilling Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Swecos Diamond Drilling Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Swecos Diamond Drilling Limited still trading?
Swecos 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 Swecos Diamond Drilling Limited do?
Swecos Diamond Drilling Limited is registered under Site preparation (SIC 43120).
How old is Swecos Diamond Drilling Limited?
Swecos Diamond Drilling Limited was incorporated on 22 June 2023, 3 years ago.
What is the penalty if Swecos 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 Swecos 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.