- Companies
- Civil engineering
- London
- Naseby One Limited
Naseby One Limited
- Company number
- 16600792
- Incorporated
- 23 Jul 20251 year trading
- Registered office
- Cornelius Barton & Co, Alliance House 29-30, High Holborn, London, WC1V 6AZ
- Nature of business
- Construction of utility projects for electricity and telecommunications
Naseby One Limited is a 1-year-old private limited company registered in London, company number 16600792, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 23 April 2027, and its first CT600 is due at HMRC on 22 July 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.
Is this your company?
File the first 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 Naseby One LimitedOr 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.
Where Naseby One Limited is registered
The registered office is in London (WC1V), in the Camden local authority area, London. Show WC1V 6AZ on a map.
Other trade companies in WC1V
- SWM Construction LtdInstallers
- LHS Property Holdings LtdProperty developers
- Fouretta LimitedProperty developers
- Ditus Group LtdBuilders
- Oceana Developments LimitedProperty developers
- Dengie Marshes Wind Farm LimitedCivil engineering
- Welford Wind Farm LimitedCivil engineering
- Green Stay Services LtdCleaning companies
Also registered at this address
5 other companies use the same registered office as Naseby One Limited.
- Dengie Marshes Wind Farm LimitedCivil engineering
- Naseby Energy Holdings LimitedCivil engineering
- Rock Capital Investments LimitedProperty developers
- Welford Wind Farm LimitedCivil engineering
- Yhj Properties LimitedProperty developers
What happens if Naseby One 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 23 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Apr 2027 to 23 May 2027 | £150 |
| 1 to 3 months late | 24 May 2027 to 23 Jul 2027 | £375 |
| 3 to 6 months late | 24 Jul 2027 to 23 Oct 2027 | £750 |
| More than 6 months late | From 24 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16600792
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2025 (1 year ago)
- Registered office
- Cornelius Barton & Co, Alliance House 29-30, High Holborn, London, WC1V 6AZ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 21 July 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 London
Other active civil engineering contractors registered in London.
- Nastaran Electricco Ltd.2015
- Nationbuild Construction Limited2013
- Natts Tracks Ltd2024
- Ncby Engineering Ltd2021
- NDT Node Ltd2022
- Nelson Fantasma Limited2025
- Nelson London Limited2007
- Nelson P Limited2004
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Naseby One Limited's accounts due?
Naseby One Limited's next accounts are due at Companies House by 23 April 2027 (in 192 days), covering the period to 31 July 2026.
When is Naseby One 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 22 July 2026, due by 22 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Naseby One Limited still trading?
Naseby One 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 Naseby One Limited do?
Naseby One Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Naseby One Limited?
Naseby One Limited was incorporated on 23 July 2025, 1 year ago.
What is the penalty if Naseby One 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 Naseby One 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.