- Companies
- Property developers
- Helston
- Williams Brothers Building Contractors Ltd
Williams Brothers Building Contractors Ltd
- Company number
- 13756578
- Incorporated
- 22 Nov 20214 years trading
- Registered office
- Springfield, Garras, Helston, Cornwall, TR12 6LW
- Nature of business
- Development of building projects
Williams Brothers Building Contractors Ltd is a 4-year-old private limited company registered in Helston, company number 13756578, one of 34 property development companies in Helston. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £26K (-12.5%) on the year before, to £180K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £817K against £756K owed within a year: 1.1 times cover.
- 11 employees on average, up from 10 the year before.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £180K | £38K | £817K | £756K | 11 |
| 31 Mar 2025 | £206K | £12K | £668K | £671K | 10 |
| 31 Mar 2024 | £158K | £39K | £203K | £255K | 13 |
| 31 Mar 2023 | £68K | £7,444 | £123K | £279K | 12 |
Where Williams Brothers Building Contractors Ltd is registered
The registered office is in Helston (TR12), in the Cornwall local authority area, South West. Show TR12 6LW on a map.
Other trade companies in TR12
- Asrcooling LtdCivil engineering
- Squirrel Developers LtdProperty developers
- Falmouth Cleaning Management LtdFacilities management
- Duchy Concrete Pumping LtdBuilders
- Property Solutions Cornwall LtdProperty developers
- Tidyhive LtdCleaning companies
- LB Commercial Cleaning LtdCleaning companies
- Souls Cycles LtdMachinery repair and installation
What happens if Williams Brothers Building Contractors 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 13756578
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2021 (4 years ago)
- Registered office
- Springfield, Garras, Helston, Cornwall, TR12 6LW
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 21 November 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Helston
Other active property development companies registered in Helston.
- Aislet Ltd2000
- Bat Engineering (Cornwall) Ltd2023
- BJP Construction Ltd2013
- Bowyer Building Ltd2024
- Dara7 Group - Properties Limited2020
- Donto Limited2018
- Dry Tree Developments Ltd2026
- Eo Developments Limited2016
All property development companies in Helston · All trades in Helston · Property developers across the UK
Frequently asked questions
When are Williams Brothers Building Contractors Ltd's accounts due?
Williams Brothers Building Contractors Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Williams Brothers Building Contractors Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Williams Brothers Building Contractors Ltd still trading?
Williams Brothers Building Contractors 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 Williams Brothers Building Contractors Ltd do?
Williams Brothers Building Contractors Ltd is registered under Development of building projects (SIC 41100).
How old is Williams Brothers Building Contractors Ltd?
Williams Brothers Building Contractors Ltd was incorporated on 22 November 2021, 4 years ago.
What is the penalty if Williams Brothers Building Contractors 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 Williams Brothers Building Contractors 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.