- Companies
- Civil engineering
- Sevenoaks
- Superspeed Design Consultants Ltd
Superspeed Design Consultants Ltd
- Company number
- 16549401
- Incorporated
- 30 Jun 20251 year trading
- Registered office
- 37 Southfields Road, West Kingsdown, Sevenoaks, TN15 6LA
- Nature of business
- Construction of other civil engineering projects n.e.c.
Superspeed Design Consultants Ltd is a 1-year-old private limited company registered in Sevenoaks, company number 16549401, one of 24 civil engineering contractors in Sevenoaks. Its next accounts are due at Companies House on 31 March 2027, and its first CT600 is due at HMRC on 29 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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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Where Superspeed Design Consultants Ltd is registered
The registered office is in Sevenoaks (TN15), in the Sevenoaks local authority area, South East. Show TN15 6LA on a map.
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What happens if Superspeed Design Consultants 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 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
- 16549401
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2025 (1 year ago)
- Registered office
- 37 Southfields Road, West Kingsdown, Sevenoaks, TN15 6LA
- 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
- 29 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 Sevenoaks
Other active civil engineering contractors registered in Sevenoaks.
- Tech Environment UK Ltd2018
- Texo Rail Ltd2025
- Wha Ltd2016
- Ace Contractors Ltd2010
- Action Rail Southeast Ltd2026
- Brimbo Qa/QC Consultants Ltd.2013
- Cable Location Services Limited2003
- Conway Aecom Limited2012
All civil engineering contractors in Sevenoaks · All trades in Sevenoaks · Civil engineering across the UK
Frequently asked questions
When are Superspeed Design Consultants Ltd's accounts due?
Superspeed Design Consultants Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Superspeed Design Consultants 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 29 June 2026, due by 29 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 Superspeed Design Consultants Ltd still trading?
Superspeed Design Consultants 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 Superspeed Design Consultants Ltd do?
Superspeed Design Consultants Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Superspeed Design Consultants Ltd?
Superspeed Design Consultants Ltd was incorporated on 30 June 2025, 1 year ago.
What is the penalty if Superspeed Design Consultants 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 Superspeed Design Consultants 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.