- Companies
- Civil engineering
- London
- TBM BTP Ltd
TBM BTP Ltd
- Company number
- 11112284
- Incorporated
- 14 Dec 20178 years trading
- Registered office
- 9 Queen's Yard, White Post Lane, London, E9 5EN
- Nature of business
- Construction of other civil engineering projects n.e.c.; Sale of used cars and light motor vehicles; Agents specialized in the sale of other particular products; Management consultancy activities other than financial management
TBM BTP Ltd is a 8-year-old private limited company registered in London, company number 11112284, one of 1,853 civil engineering contractors in London. Companies House shows its accounts as overdue: they were due on 29 September 2025.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 unchanged on the year before, at £66K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £65K against £7,220 owed within a year: 9.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2018 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Dec 2023 | £66K | £65K | £7,220 | 0 | |
| 29 Dec 2022 | £66K | £65K | £7,220 | 0 | |
| 29 Dec 2021 | £61K | £60K | £70K | £25K | 0 |
| 31 Dec 2020 | £52K | £52K | £62K | £34K | 1 |
| 31 Dec 2019 | £43K | £66K | £32K | 1 | |
| 31 Dec 2018 | £21K | £43K | £32K |
Where TBM BTP Ltd is registered
The registered office is in London (E9), in the Tower Hamlets local authority area, London. Show E9 5EN on a map.
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What happens if TBM BTP Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Sep 2025 to 29 Oct 2025 | £150 |
| 1 to 3 months late | 30 Oct 2025 to 29 Dec 2025 | £375 |
| 3 to 6 months late | 30 Dec 2025 to 29 Mar 2026 | £750 |
| More than 6 months late | From 30 Mar 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Dec 2025 | £200 |
| 3 months late | 29 Mar 2026 | another £200 |
| 6 months late | 29 Jun 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Dec 2026 | 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
- 11112284
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2017 (8 years ago)
- Registered office
- 9 Queen's Yard, White Post Lane, London, E9 5EN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Sale of used cars and light motor vehicles (SIC 45112)
Agents specialized in the sale of other particular products (SIC 46180)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 29 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 December 2023
- Last confirmation statement
- 30 June 2025
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.
- TBM Civil Engineering Ltd2025
- Tcan Limited2013
- TDK Engineering Ltd2014
- TDM TM Ltd2022
- Team Ashby Plumbing Services Ltd2024
- Tecgadget Ltd.2018
- Tech Core Projects Ltd2025
- Tee Double Limited2014
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are TBM BTP Ltd's accounts due?
TBM BTP Ltd's accounts were due at Companies House on 29 September 2025 and the register shows them as overdue.
When is TBM BTP Ltd's CT600 due?
The CT600 for the period to 29 December 2024 is due at HMRC by 29 December 2025, 12 months after the period end. The corporation tax itself is payable earlier, by 30 September 2025.
Is TBM BTP Ltd still trading?
TBM BTP Ltd is listed as active on the Companies House register (checked 12 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 TBM BTP Ltd do?
TBM BTP Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Sale of used cars and light motor vehicles (SIC 45112); Agents specialized in the sale of other particular products (SIC 46180); Management consultancy activities other than financial management (SIC 70229).
How old is TBM BTP Ltd?
TBM BTP Ltd was incorporated on 14 December 2017, 8 years ago.
What is the penalty if TBM BTP 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 TBM BTP Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.