- Companies
- Civil engineering
- London
- One Construction Design and Build Limited
One Construction Design and Build Limited
- Company number
- 14898175
- Incorporated
- 26 May 20233 years trading
- Registered office
- 87 Greenway Avenue, London, Greater London, E17 3QL
- Nature of business
- Construction of other civil engineering projects n.e.c.; Plumbing, heat and air-conditioning installation; Other service activities n.e.c.
One Construction Design and Build Limited is a 3-year-old private limited company registered in London, company number 14898175, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
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 up £3,010 (+70.1%) on the year before, to £7,305.
- Current assets of £341K against £29K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £7,305 | £341K | £29K | 0 | |
| 31 May 2024 | £4,295 | £22K | £18K | 0 |
Where One Construction Design and Build Limited is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3QL on a map.
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What happens if One Construction Design and Build 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14898175
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2023 (3 years ago)
- Registered office
- 87 Greenway Avenue, London, Greater London, E17 3QL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 6 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.
- One-On Group Limited2016
- Onebore Limited2023
- Onergy Limited2019
- Onshore Inspection Ltd2025
- Onyx Engineering Solutions Ltd2026
- Oorabbi Limited2021
- Opk Civils Ltd2026
- Optif Ltd2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are One Construction Design and Build Limited's accounts due?
One Construction Design and Build Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is One Construction Design and Build Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is One Construction Design and Build Limited still trading?
One Construction Design and Build 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 One Construction Design and Build Limited do?
One Construction Design and Build Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Plumbing, heat and air-conditioning installation (SIC 43220); Other service activities n.e.c. (SIC 96090).
How old is One Construction Design and Build Limited?
One Construction Design and Build Limited was incorporated on 26 May 2023, 3 years ago.
What is the penalty if One Construction Design and Build 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 One Construction Design and Build 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.