- Companies
- Civil engineering
- Harpenden
- CSBD Holdings Ltd
CSBD Holdings Ltd
- Company number
- 14378263
- Incorporated
- 27 Sep 20224 years trading
- Registered office
- Victoria House Marlborough Park, Southdown Road, Harpenden, Hertfordshire, AL5 1NL
- Nature of business
- Construction of other civil engineering projects n.e.c.
CSBD Holdings Ltd is a 4-year-old private limited company registered in Harpenden, company number 14378263, one of 15 civil engineering contractors in Harpenden. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CSBD Holdings LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £8,550 (+1.1%) on the year before, to £780K.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £780K | £750 | £2.7M | 2 | |
| 30 Sep 2024 | £771K | £750 | £750 | £2.7M | 2 |
| 30 Sep 2023 | £775K | £750 | £750 | £2.7M | 2 |
Where CSBD Holdings Ltd is registered
The registered office is in Harpenden (AL5), in the St Albans local authority area, East of England. Show AL5 1NL on a map.
Other trade companies in AL5
- M&T Building Services LimitedBuilders
- Rolfe Groundworks LtdGroundworks and demolition
- Rolls and Sons LtdProperty developers
- WM Holdings Group LtdProperty developers
- A Hussain Motor Group LtdMotor traders
- Harpenden Window Cleaning LtdCleaning companies
- Honey Bear Energy LimitedPlumbers and heating engineers
- M&D Paving LtdCivil engineering
Also registered at this address
1 other company uses the same registered office as CSBD Holdings Ltd.
- C.S. Building & Design LimitedCivil engineering
What happens if CSBD Holdings 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 14378263
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2022 (4 years ago)
- Registered office
- Victoria House Marlborough Park, Southdown Road, Harpenden, Hertfordshire, AL5 1NL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 26 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 Harpenden
Other active civil engineering contractors registered in Harpenden.
- Fineall Consulting Ltd2019
- Harpenden Estates Limited1973
- Hilltwister (UK) Ltd2019
- J.K Real Planning Ltd2025
- M&D Paving Ltd2026
- Meridian Energy Consulting Ltd2015
- Ozdemir Construction Ltd2020
- Real Mechanical Services Limited2018
All civil engineering contractors in Harpenden · All trades in Harpenden · Civil engineering across the UK
Frequently asked questions
When are CSBD Holdings Ltd's accounts due?
CSBD Holdings Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is CSBD Holdings Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is CSBD Holdings Ltd still trading?
CSBD Holdings Ltd is listed as active on the Companies House register (checked 13 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 CSBD Holdings Ltd do?
CSBD Holdings Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is CSBD Holdings Ltd?
CSBD Holdings Ltd was incorporated on 27 September 2022, 4 years ago.
What is the penalty if CSBD Holdings 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 CSBD Holdings Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.