- Company number
- 16153535
- Incorporated
- 27 Dec 20241 year trading
- Registered office
- Unit 4 Manor Farm Common Road, Eton Wick, Windsor, SL4 6QY
- Nature of business
- Construction of commercial buildings; Private security activities
JC Construction and Security Ltd is a 1-year-old private limited company registered in Windsor, company number 16153535, one of 66 building contractors in Windsor. 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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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where JC Construction and Security Ltd is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 6QY on a map.
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What happens if JC Construction and Security 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 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
- 16153535
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 December 2024 (1 year ago)
- Registered office
- Unit 4 Manor Farm Common Road, Eton Wick, Windsor, SL4 6QY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Private security activities (SIC 80100) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 26 December 2025
- Previous names
- CJ Construction & Secruity Ltd (until 10 Oct 2025)
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 Windsor
Other active building contractors registered in Windsor.
- JDS Design and Build Ltd2026
- Kensington Design & Build Ltd2024
- KMC Venture Ltd2014
- Lavignac Ltd2017
- Lifestyles Homes Limited2002
- Louis Carlsen Build & Renovation Limited2020
- Luxtract Ltd2025
- M D West Building Services Ltd2026
All building contractors in Windsor · All trades in Windsor · Builders across the UK
Frequently asked questions
When are JC Construction and Security Ltd's accounts due?
JC Construction and Security Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is JC Construction and Security Ltd'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 JC Construction and Security Ltd still trading?
JC Construction and Security 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 JC Construction and Security Ltd do?
JC Construction and Security Ltd is registered under Construction of commercial buildings (SIC 41201); Private security activities (SIC 80100).
How old is JC Construction and Security Ltd?
JC Construction and Security Ltd was incorporated on 27 December 2024, 1 year ago.
What is the penalty if JC Construction and Security 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 JC Construction and Security 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.