- Companies
- Specialist contractors
- Dover
- SDB Damp Division Ltd
SDB Damp Division Ltd
- Company number
- 16429465
- Incorporated
- 6 May 20251 year trading
- Registered office
- 41 Churchill Road, Dover, CT17 9JH
- Nature of business
- Other specialised construction activities n.e.c.
SDB Damp Division Ltd is a 1-year-old private limited company registered in Dover, company number 16429465, one of 31 specialist construction companies in Dover. Its next accounts are due at Companies House on 6 February 2027, and its first CT600 is due at HMRC on 5 May 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 SDB Damp Division Ltd is registered
The registered office is in Dover (CT17), in the Dover local authority area, South East. Show CT17 9JH on a map.
Other trade companies in CT17
- LBB Solutions LimitedCivil engineering
- FCJ Contractors LtdBuilders
- K Willis Electrical Kent LimitedElectricians
- Pharesons LtdProperty developers
- Bee's Hand Car Wash LtdCleaning companies
- Baldwin Salter Property LtdProperty developers
- Aky Construction LtdSpecialist contractors
- Channel FM Cleaning & Support Services LtdCleaning companies
What happens if SDB Damp Division 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 6 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Feb 2027 to 6 Mar 2027 | £150 |
| 1 to 3 months late | 7 Mar 2027 to 6 May 2027 | £375 |
| 3 to 6 months late | 7 May 2027 to 6 Aug 2027 | £750 |
| More than 6 months late | From 7 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16429465
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- 41 Churchill Road, Dover, CT17 9JH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 May 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Dover
Other active specialist construction companies registered in Dover.
- Simple Life (Favourite Places) Ltd2015
- Southeast Site Management Services Limited2015
- Spencer Mills Construction Management Ltd2024
- 240 Volts Renewables Limited2021
- Aber Services Limited2011
- Aky Construction Ltd2026
- Auto Door Services Kent Limited2022
- Channel Engineering Limited2008
All specialist construction companies in Dover · All trades in Dover · Specialist contractors across the UK
Frequently asked questions
When are SDB Damp Division Ltd's accounts due?
SDB Damp Division Ltd's next accounts are due at Companies House by 6 February 2027 (in 117 days), covering the period to 31 May 2026.
When is SDB Damp Division 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 5 May 2026, due by 5 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SDB Damp Division Ltd still trading?
SDB Damp Division 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 SDB Damp Division Ltd do?
SDB Damp Division Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SDB Damp Division Ltd?
SDB Damp Division Ltd was incorporated on 6 May 2025, 1 year ago.
What is the penalty if SDB Damp Division 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 SDB Damp Division 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.