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- Basement Civil Developments Ltd
Company profile · Civil engineering
Basement Civil Developments Ltd
Basement Civil Developments Ltd is a 1-year-old private limited company registered in Marlow, company number 16538977, one of 8 civil engineering contractors in Marlow. Its next accounts are due at Companies House on 24 March 2027, and its first CT600 is due at HMRC on 23 June 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 Basement Civil Developments Ltd is registered
The registered office is in Marlow (SL7), in the Buckinghamshire local authority area, South East. Show SL7 1YL on a map.
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- Axis Commercial Projects LimitedBuilders
- Priority Callout Services LtdMachinery repair and installation
- Clayhill Constructions LtdBuilders
What happens if Basement Civil 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 24 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Mar 2027 to 24 Apr 2027 | £150 |
| 1 to 3 months late | 25 Apr 2027 to 24 Jun 2027 | £375 |
| 3 to 6 months late | 25 Jun 2027 to 24 Sep 2027 | £750 |
| More than 6 months late | From 25 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16538977
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2025 (1 year ago)
- Registered office
- Marlow International 2ND Floor, Marlow International, Parkway, Marlow, Buckinghamshire, SL7 1YL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 June 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 Marlow
Other active civil engineering contractors registered in Marlow.
- Ccell Renewables Limited2015
- D.G.Pink Developments Limited1964
- Hac Innovations Limited2013
- MJD Civil Engineering Ltd2019
- Spade Oak Construction Ltd2026
- Spade Oak Duracourt Ltd2026
- Alturn Limited2006
All civil engineering contractors in Marlow · All trades in Marlow · Civil engineering across the UK
Frequently asked questions
When are Basement Civil Developments Ltd's accounts due?
Basement Civil Developments Ltd's next accounts are due at Companies House by 24 March 2027 (in 163 days), covering the period to 30 June 2026.
When is Basement Civil Developments 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 23 June 2026, due by 23 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Basement Civil Developments Ltd still trading?
Basement Civil 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 Basement Civil Developments Ltd do?
Basement Civil Developments Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Basement Civil Developments Ltd?
Basement Civil Developments Ltd was incorporated on 24 June 2025, 1 year ago.
What is the penalty if Basement Civil 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 Basement Civil 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.