- Company number
- 11329467
- Incorporated
- 25 Apr 20188 years trading
- Registered office
- Avery House, 8 Avery Hill Road, London, SE9 2BD
- Nature of business
- Construction of commercial buildings
WBM21 Limited is a 8-year-old private limited company registered in London, company number 11329467, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 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 unchanged on the year before, at -£2,024.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £101K against £190K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | -£2,024 | £101K | £190K | 1 | |
| 31 Oct 2023 | -£2,024 | £116K | £770 | 1 | |
| 31 Oct 2022 | £1,352 | £100K | £855 | 1 | |
| 31 Oct 2021 | £681 | £101K | 1 | ||
| 30 Apr 2020 | £1 | £1 | |||
| 30 Apr 2019 | £1 | £1 |
Where WBM21 Limited is registered
The registered office is in London (SE9), in the Greenwich local authority area, London. Show SE9 2BD on a map.
Other trade companies in SE9
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- M.A Developments (Ramsgate) LimitedProperty developers
- Sanchez Dec LtdPainters and decorators
- Yoi As LtdBuilders
- Interfix LtdSpecialist contractors
- South East London Locksmith LimitedSpecialist contractors
- S&O Maintenance LimitedInstallers
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Also registered at this address
7 other companies use the same registered office as WBM21 Limited.
- First Call Electrical LimitedElectricians
- London & Kent LtdElectricians
- P. Dillon Building Services LimitedProperty developers
- Rutland Building LimitedProperty developers
- Specialised Flooring (Bromley) LimitedFloor and wall tilers
- Structural Build LtdBuilders
- Thenus LimitedProperty developers
What happens if WBM21 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11329467
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2018 (8 years ago)
- Registered office
- Avery House, 8 Avery Hill Road, London, SE9 2BD
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 16 April 2026
- Charges (mortgages)
- 4 outstanding of 4 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.
- WC1 Projects Ltd2009
- WCC Consultancy Ltd2020
- WCSV Ltd2022
- WDW Dante Ltd2020
- We Build 4 London Ltd2025
- We Build Group Ltd2026
- We Build We Design Ltd2026
- We Do Foundations and Extensions Ltd2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are WBM21 Limited's accounts due?
WBM21 Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is WBM21 Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is WBM21 Limited still trading?
WBM21 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 WBM21 Limited do?
WBM21 Limited is registered under Construction of commercial buildings (SIC 41201).
How old is WBM21 Limited?
WBM21 Limited was incorporated on 25 April 2018, 8 years ago.
What is the penalty if WBM21 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 WBM21 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.