- Companies
- Specialist contractors
- Harrow
- WB Building Contractors Limited
WB Building Contractors Limited
- Company number
- 08050258
- Incorporated
- 30 Apr 201214 years trading
- Registered office
- C/O Cox Costello & Horne, 7 ST. Johns Road, Harrow, HA1 2EY
- Nature of business
- Other specialised construction activities n.e.c.
WB Building Contractors Limited is a 14-year-old private limited company registered in Harrow, company number 08050258, one of 273 specialist construction companies in Harrow. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £23K (+71.2%) on the year before, to £56K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £80K against £22K owed within a year: 3.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £56K | £55K | £80K | £22K | 1 |
| 30 Apr 2024 | £33K | £37K | £59K | £21K | 1 |
| 30 Apr 2023 | £25K | £18K | £54K | £20K | 1 |
| 30 Apr 2022 | £16K | £20K | £41K | £14K | 1 |
| 30 Apr 2021 | £595 | £20K | £20K | £5,928 | 1 |
| 30 Apr 2020 | £6,982 | £19K | £19K | £12K | 1 |
| 30 Apr 2019 | £12K | £24K | £24K | £12K | 1 |
| 30 Apr 2018 | £5,478 | £13K | £18K | £13K | 1 |
| 30 Apr 2017 | £866 | £3,736 | £11K | £9,970 | 1 |
| 30 Apr 2016 | £640 | £2,866 | £13K | £12K |
Where WB Building Contractors Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2EY on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
18 other companies use the same registered office as WB Building Contractors Limited.
- 12 Cleaning Company LimitedCleaning companies
- Allwinds Ground Maintenance LtdLandscapers and gardeners
- Alphabet Services LimitedFacilities management
- Alter & Native (DM) LimitedProperty developers
- Builder Cleans LimitedCleaning companies
- CCL Construction LimitedSpecialist contractors
- Fine Home Building LtdBuilders
- G J Taylor & Company LimitedBuilders
- Gilchrist Engineering Holdings LimitedPlumbers and heating engineers
- Gilchrist Engineering Services LimitedPlumbers and heating engineers
- JMP Facilities (Developments - Eccles 1) LimitedProperty developers
- JMP Facilities (Developments) LimitedProperty developers
- JMP Facilities LimitedProperty developers
- Jnoad LimitedElectricians
- Old Bills Pest Control LimitedCleaning companies
- S&M Truck Services LimitedMechanics and garages
- Scozak Development LimitedBuilders
- Solventia LimitedCleaning companies
What happens if WB Building Contractors 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 08050258
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2012 (14 years ago)
- Registered office
- C/O Cox Costello & Horne, 7 ST. Johns Road, Harrow, HA1 2EY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 30 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Harrow
Other active specialist construction companies registered in Harrow.
- Wing Construction Limited1987
- WPF Heating Ltd2017
- Yogi Decorators Ltd2023
- Zeniservices Ltd2025
- Zernoff & Co Ltd2021
- 3Sguk Limited2015
- A Brockwitz Builders Ltd2013
- A Developers Limited2013
All specialist construction companies in Harrow · All trades in Harrow · Specialist contractors across the UK
Frequently asked questions
When are WB Building Contractors Limited's accounts due?
WB Building Contractors Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is WB Building Contractors Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is WB Building Contractors Limited still trading?
WB Building Contractors 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 WB Building Contractors Limited do?
WB Building Contractors Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is WB Building Contractors Limited?
WB Building Contractors Limited was incorporated on 30 April 2012, 14 years ago.
What is the penalty if WB Building Contractors 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 WB Building Contractors 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.