- Companies
- Property developers
- Llanelli
- Boss Construction & Developments Ltd
Boss Construction & Developments Ltd
- Company number
- 16068909
- Incorporated
- 8 Nov 20241 year trading
- Registered office
- 39 Aber Llwchwr, Llangennech, Llanelli, Carmarthenshire, SA14 8AH
- Nature of business
- Development of building projects; Construction of domestic buildings
Boss Construction & Developments Ltd is a 1-year-old private limited company registered in Llanelli, company number 16068909, one of 50 property development companies in Llanelli. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 30 November 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Boss Construction & Developments Ltd is registered
The registered office is in Llanelli (SA14), in the Carmarthenshire local authority area, Wales. Show SA14 8AH on a map.
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- CCS Repairs LtdMachinery repair and installation
- JP Bathroom Services LtdInstallers
- Uplands Realty LimitedProperty developers
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Also registered at this address
1 other company uses the same registered office as Boss Construction & Developments Ltd.
- GS6 Developments LtdProperty developers
What happens if Boss Construction & Developments 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16068909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2024 (1 year ago)
- Registered office
- 39 Aber Llwchwr, Llangennech, Llanelli, Carmarthenshire, SA14 8AH
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 7 November 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Llanelli
Other active property development companies registered in Llanelli.
- C&C Steel Structures Ltd2023
- Cae Felin Ltd2003
- Carmarthenshire Ltd2025
- Carreg Properties Limited2021
- Cedartree Construction Limited2020
- Clyd Homes Limited2024
- DR Edwards Ltd2018
- Dragonarch Developments Limited2025
All property development companies in Llanelli · All trades in Llanelli · Property developers across the UK
Frequently asked questions
When are Boss Construction & Developments Ltd's accounts due?
Boss Construction & Developments Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Boss Construction & Developments Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Boss Construction & Developments Ltd still trading?
Boss Construction & Developments 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 Boss Construction & Developments Ltd do?
Boss Construction & Developments Ltd is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202).
How old is Boss Construction & Developments Ltd?
Boss Construction & Developments Ltd was incorporated on 8 November 2024, 1 year ago.
What is the penalty if Boss Construction & Developments 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 Boss Construction & Developments 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.