- Companies
- Civil engineering
- London
- Rta Construction Ltd
Rta Construction Ltd
- Company number
- 12144011
- Incorporated
- 7 Aug 20197 years trading
- Registered office
- Unit A337 Unit A337, 4-6 Greatorex Street, London, E1 5NF
- Nature of business
- Construction of roads and motorways; Construction of railways and underground railways
Rta Construction Ltd is a 7-year-old private limited company registered in London, company number 12144011, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Rta Construction LtdOr 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.
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 £0.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £0 | £0 | £0 | 2 | |
| 31 Aug 2024 | £0 | £0 | £0 | 1 | |
| 31 Aug 2023 | £0 | £0 | £0 | 1 | |
| 31 Aug 2022 | £0 | £0 | £0 | 1 | |
| 31 Aug 2021 | £0 | £0 | £0 | 1 | |
| 31 Aug 2020 | £1,150 | £15K | £14K | 1 |
Where Rta Construction Ltd is registered
The registered office is in London (E1), in the Tower Hamlets local authority area, London. Show E1 5NF on a map.
Other trade companies in E1
- Safa Builds LtdElectricians
- Ribh LtdElectricians
- Tyres on Call LtdMechanics and garages
- Hrautosources LtdMotor traders
- Choiceworks LimitedInstallers
- E.M Construction London LtdBuilders
- Qubic Maintenance LtdSpecialist contractors
- Moovin Transport LtdMechanics and garages
What happens if Rta Construction 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12144011
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 August 2019 (7 years ago)
- Registered office
- Unit A337 Unit A337, 4-6 Greatorex Street, London, E1 5NF
- Nature of business
- Construction of roads and motorways (SIC 42110)
Construction of railways and underground railways (SIC 42120) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 26 November 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.
- RTB Infrastructure Limited2025
- Ruralfibre4U Holdings Ltd2016
- Ruralfibre4U Ltd2019
- Russell Access Ltd2026
- RWL Vault Ltd2021
- Ryan Mead Engineering Ltd2019
- Rynletech Limited2017
- S Titan Limited2016
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Rta Construction Ltd's accounts due?
Rta Construction Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Rta Construction Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Rta Construction Ltd still trading?
Rta Construction 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 Rta Construction Ltd do?
Rta Construction Ltd is registered under Construction of roads and motorways (SIC 42110); Construction of railways and underground railways (SIC 42120).
How old is Rta Construction Ltd?
Rta Construction Ltd was incorporated on 7 August 2019, 7 years ago.
What is the penalty if Rta Construction 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 Rta Construction 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.