- Companies
- Civil engineering
- Beckenham
- BDTH Limited
BDTH Limited
- Company number
- 16721084
- Incorporated
- 16 Sep 20251 year trading
- Registered office
- 24 Chaffinch Road, Beckenham, BR3 4LU
- Nature of business
- Construction of railways and underground railways
BDTH Limited is a 1-year-old private limited company registered in Beckenham, company number 16721084, one of 21 civil engineering contractors in Beckenham. Its next accounts are due at Companies House on 16 June 2027, and its first CT600 is due at HMRC on 15 September 2027.
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 BDTH Limited is registered
The registered office is in Beckenham (BR3), in the Bromley local authority area, London. Show BR3 4LU on a map.
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Also registered at this address
1 other company uses the same registered office as BDTH Limited.
- Ignm LtdCivil engineering
What happens if BDTH 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 16 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Jun 2027 to 16 Jul 2027 | £150 |
| 1 to 3 months late | 17 Jul 2027 to 16 Sep 2027 | £375 |
| 3 to 6 months late | 17 Sep 2027 to 16 Dec 2027 | £750 |
| More than 6 months late | From 17 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16721084
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 September 2025 (1 year ago)
- Registered office
- 24 Chaffinch Road, Beckenham, BR3 4LU
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 September 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Beckenham
Other active civil engineering contractors registered in Beckenham.
- Carrickeast Construction Limited2010
- CJC Communications Ltd2026
- De’Norse Project Limited2024
- Icm Engineering Limited2010
- Ignm Ltd2026
- Keefe Telecommunications Limited2023
- Kruger Construction Services Ltd2014
- Laual Ltd2024
All civil engineering contractors in Beckenham · All trades in Beckenham · Civil engineering across the UK
Frequently asked questions
When are BDTH Limited's accounts due?
BDTH Limited's next accounts are due at Companies House by 16 June 2027 (in 247 days), covering the period to 30 September 2026.
When is BDTH Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 15 September 2026, due by 15 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is BDTH Limited still trading?
BDTH 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 BDTH Limited do?
BDTH Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is BDTH Limited?
BDTH Limited was incorporated on 16 September 2025, 1 year ago.
What is the penalty if BDTH 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 BDTH 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.