- Companies
- Groundworks and demolition
- Llanelli
- BRT Doorway Diggers Ltd
BRT Doorway Diggers Ltd
- Company number
- 17166782
- Incorporated
- 19 Apr 2026
- Registered office
- 6 the Arcade, Llanelli, SA15 3TW
- Nature of business
- Site preparation
BRT Doorway Diggers Ltd is a newly incorporated private limited company registered in Llanelli, company number 17166782, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 19 January 2028, and its first CT600 is due at HMRC on 18 April 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where BRT Doorway Diggers Ltd is registered
The registered office is in Llanelli (SA15), in the Carmarthenshire local authority area, Wales. Show SA15 3TW on a map.
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Also registered at this address
12 other companies use the same registered office as BRT Doorway Diggers Ltd.
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What happens if BRT Doorway Diggers 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 19 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Jan 2028 to 19 Feb 2028 | £150 |
| 1 to 3 months late | 20 Feb 2028 to 19 Apr 2028 | £375 |
| 3 to 6 months late | 20 Apr 2028 to 19 Jul 2028 | £750 |
| More than 6 months late | From 20 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17166782
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 April 2026
- Registered office
- 6 the Arcade, Llanelli, SA15 3TW
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 Llanelli
Other active groundworks and demolition companies registered in Llanelli.
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Frequently asked questions
When are BRT Doorway Diggers Ltd's accounts due?
BRT Doorway Diggers Ltd's next accounts are due at Companies House by 19 January 2028 (in 463 days), covering the period to 30 April 2027.
When is BRT Doorway Diggers Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 April 2027, due by 18 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is BRT Doorway Diggers Ltd still trading?
BRT Doorway Diggers 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 BRT Doorway Diggers Ltd do?
BRT Doorway Diggers Ltd is registered under Site preparation (SIC 43120).
How old is BRT Doorway Diggers Ltd?
BRT Doorway Diggers Ltd was incorporated on 19 April 2026, less than a year ago.
What is the penalty if BRT Doorway Diggers 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 BRT Doorway Diggers 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.