- Company number
- 10479953
- Incorporated
- 15 Nov 20169 years trading
- Registered office
- 85 Great Portland Street, London, W1W 7LT
- Nature of business
- Construction of domestic buildings; Buying and selling of own real estate; Renting and operating of Housing Association real estate; Management of real estate on a fee or contract basis
Work Zone Construction (U.K) Ltd is a 9-year-old private limited company registered in London, company number 10479953, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 down £16K (-43.1%) on the year before, to £21K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £159K against £475K owed within a year: 0.3 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 8 years, 2017 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £21K | £137K | £159K | £475K | 4 |
| 30 Nov 2023 | £36K | £205K | £215K | £509K | 4 |
| 30 Nov 2022 | £23K | £163K | £203K | £354K | 3 |
| 30 Nov 2021 | -£39K | £57K | £87K | £63K | 3 |
| 30 Nov 2020 | -£46K | £51K | £87K | £78K | 2 |
| 30 Nov 2019 | -£4,186 | £12K | £56K | £42K | |
| 30 Nov 2018 | -£1,628 | £7,295 | £7,296 | £8,924 | |
| 30 Nov 2017 | -£1,420 | £33K | £35K |
Where Work Zone Construction (U.K) Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 7LT on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
135 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 Work Zone Construction (U.K) 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10479953
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2016 (9 years ago)
- Registered office
- 85 Great Portland Street, London, W1W 7LT
- Nature of business
- Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Renting and operating of Housing Association real estate (SIC 68201)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 30 September 2026
- Charges (mortgages)
- 3 outstanding of 3 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Work-Mo Ltd2026
- Workforsuccess Ltd2026
- Workharbor Trades Limited2026
- Workshop & Studio - Bakker Ltd2019
- World of Building Ltd2015
- World Property Developers Ltd2017
- World Tiles Construction Ltd2024
- Worldfamous Group Limited2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Work Zone Construction (U.K) Ltd's accounts due?
Work Zone Construction (U.K) Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Work Zone Construction (U.K) 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 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Work Zone Construction (U.K) Ltd still trading?
Work Zone Construction (U.K) 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 Work Zone Construction (U.K) Ltd do?
Work Zone Construction (U.K) Ltd is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100); Renting and operating of Housing Association real estate (SIC 68201); Management of real estate on a fee or contract basis (SIC 68320).
How old is Work Zone Construction (U.K) Ltd?
Work Zone Construction (U.K) Ltd was incorporated on 15 November 2016, 9 years ago.
What is the penalty if Work Zone Construction (U.K) 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 Work Zone Construction (U.K) 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.