- Companies
- Civil engineering
- London
- Network Build Telecoms Ltd
Network Build Telecoms Ltd
- Company number
- 16698444
- Incorporated
- 5 Sep 20251 year trading
- Registered office
- 3RD Floor 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of other civil engineering projects n.e.c.
Network Build Telecoms Ltd is a 1-year-old private limited company registered in London, company number 16698444, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 5 June 2027, and its first CT600 is due at HMRC on 4 September 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 Network Build Telecoms Ltd is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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Shared registered office
1,581 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Network Build Telecoms 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 5 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jun 2027 to 5 Jul 2027 | £150 |
| 1 to 3 months late | 6 Jul 2027 to 5 Sep 2027 | £375 |
| 3 to 6 months late | 6 Sep 2027 to 5 Dec 2027 | £750 |
| More than 6 months late | From 6 Dec 2027 | £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
- 16698444
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 2025 (1 year ago)
- Registered office
- 3RD Floor 86-90, Paul Street, London, EC2A 4NE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 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 London
Other active civil engineering contractors registered in London.
- Nev Rail Ltd2023
- New Clear Power Ltd2025
- Nextgen Rail Solutions Ltd2025
- NF Training Ltd2025
- NGB Consulting Solutions Ltd2026
- Nicholas Management Consultants Limited2013
- Nigel Catton Services Limited2018
- Nigel Legge Associates Limited2009
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Network Build Telecoms Ltd's accounts due?
Network Build Telecoms Ltd's next accounts are due at Companies House by 5 June 2027 (in 236 days), covering the period to 30 September 2026.
When is Network Build Telecoms 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 4 September 2026, due by 4 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Network Build Telecoms Ltd still trading?
Network Build Telecoms 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 Network Build Telecoms Ltd do?
Network Build Telecoms Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Network Build Telecoms Ltd?
Network Build Telecoms Ltd was incorporated on 5 September 2025, 1 year ago.
What is the penalty if Network Build Telecoms 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 Network Build Telecoms 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.