- Companies
- Builders
- Dorchester
- Cal Design & Construction Services Ltd
Cal Design & Construction Services Ltd
- Company number
- 11859508
- Incorporated
- 4 Mar 20197 years trading
- Registered office
- Unit 2A, Railway Triangle Industrial Estate, Dorchester, DT1 2PJ
- Nature of business
- Construction of domestic buildings; Architectural activities; Urban planning and landscape architectural activities; Other engineering activities
Cal Design & Construction Services Ltd is a 7-year-old private limited company registered in Dorchester, company number 11859508, one of 66 building contractors in Dorchester. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 £864 (-29.1%) on the year before, to £2,108.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £2,112 against £1,403 owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £2,108 | £2,112 | £2,112 | £1,403 | 1 |
| 31 Mar 2024 | £2,972 | £1,293 | £2,293 | £1,857 | 1 |
| 31 Mar 2023 | £1,267 | £1,202 | £4,702 | £4,158 | 1 |
| 31 Mar 2022 | £465 | £1,815 | £2,285 | 1 | |
| 31 Mar 2021 | £221 | £2,391 | £2,590 | 1 | |
| 31 Mar 2020 | £247 | £1,962 | £2,235 | 1 |
Who runs and owns Cal Design & Construction Services Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| C*** A*** | Director | Mar 2019 |
People with significant control (2)
Where Cal Design & Construction Services Ltd is registered
The registered office is in Dorchester (DT1), in the Dorset local authority area, South West. Show DT1 2PJ on a map.
Other trade companies in DT1
- Wareham MOT LimitedMechanics and garages
- Coastal Crest Dorset Cleaning Company LimitedCleaning companies
- Hybrid Superstructures LtdBuilders
- Solo Construction & Development LimitedBuilders
- Guardian Home Improvements LimitedFinishing trades
- Dorset Cars LtdMotor traders
- Rebecca Scaffolding LtdScaffolders
- Fox Roofing & Leadworks LtdRoofers
Shared registered office
140 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Cal Design & Construction Services Ltd 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 11859508
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 March 2019 (7 years ago)
- Registered office
- Unit 2A, Railway Triangle Industrial Estate, Dorchester, DT1 2PJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Architectural activities (SIC 71111)
Urban planning and landscape architectural activities (SIC 71112)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 March 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 Dorchester
Other active building contractors registered in Dorchester.
- Chamba Developments Limited2005
- Chris Rawlings Building & Maintenance Limited2022
- Clark Construction (South) Limited2022
- CLBS Dorset Limited2022
- CLBS Kitchens and Bathrooms Ltd2026
- Cull Contracting Services Limited2004
- D A Parsons Construction Limited2003
- D S R Building Services Ltd2015
All building contractors in Dorchester · All trades in Dorchester · Builders across the UK
Frequently asked questions
When are Cal Design & Construction Services Ltd's accounts due?
Cal Design & Construction Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Cal Design & Construction Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Cal Design & Construction Services Ltd still trading?
Cal Design & Construction Services Ltd 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 Cal Design & Construction Services Ltd do?
Cal Design & Construction Services Ltd is registered under Construction of domestic buildings (SIC 41202); Architectural activities (SIC 71111); Urban planning and landscape architectural activities (SIC 71112); Other engineering activities (SIC 71129).
How old is Cal Design & Construction Services Ltd?
Cal Design & Construction Services Ltd was incorporated on 4 March 2019, 7 years ago.
Who runs Cal Design & Construction Services Ltd?
Cal Design & Construction Services Ltd has 1 active director, the longest-serving appointed in Mar 2019. Their names and service addresses are on the Companies House register.
Who owns Cal Design & Construction Services Ltd?
2 people or companies have significant control of Cal Design & Construction Services Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Cal Design & Construction Services 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 Cal Design & Construction Services Ltd 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.