- Company number
- 12369822
- Incorporated
- 18 Dec 20196 years trading
- Registered office
- 30 Old Market, Wisbech, PE13 1NB
- Nature of business
- Construction of domestic buildings
Shamrocks Builders Limited is a 6-year-old private limited company registered in Wisbech, company number 12369822, one of 125 building contractors in Wisbech. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £13K (-35%) on the year before, to -£49K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £411K against £461K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£49K | £411K | £461K | 2 | |
| 30 Jun 2024 | -£36K | £411K | £448K | 2 | |
| 31 Dec 2022 | -£1,726 | £480K | £483K | 2 | |
| 31 Dec 2021 | -£507 | £379K | £381K | 2 | |
| 31 Dec 2020 | -£2,265 | £257K | £259K | 2 |
Who runs and owns Shamrocks Builders Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** C*** | Director | Jan 2022 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| E*** C*** | Director | Dec 2019 | Jan 2026 |
Person with significant control
Where Shamrocks Builders Limited is registered
The registered office is in Wisbech (PE13), in the Fenland local authority area, East of England. Show PE13 1NB on a map.
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- Gordon Garage Doors LimitedInstallers
- JC Fisher Painting, Decorating and Interiors LtdBuilders
- JJ Leccys LtdMotor traders
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Also registered at this address
23 other companies use the same registered office as Shamrocks Builders Limited.
- A D Hurst & Son Commercial LimitedMechanics and garages
- Agar Interiors LimitedJoiners and carpenters
- Anglian Construction & Developments LtdProperty developers
- Asl Brickwork & Groundworks LtdBuilders
- BJ Tiller & Son LimitedFinishing trades
- Charlbrook Property LimitedProperty developers
- Clark Decorators LimitedPainters and decorators
- Cool As Frost LimitedPlumbers and heating engineers
- GBC Construction LimitedProperty developers
- Jfo Civils LimitedCivil engineering
- Kings Lynn Industrial Cleaning LimitedCleaning companies
- LWH Plastering LimitedPlasterers
- Mineral Processing and Safety LimitedMotor traders
- Navigator Total Cloud LimitedProperty developers
- Pipeline Constructors LimitedCivil engineering
- R Amps Plumbing & Heating LimitedPlumbers and heating engineers
- Ridge Oak Developments LimitedBuilders
- RJ Stanford Construction LimitedProperty developers
- S Curson and Sons LimitedBuilders
- Topbuild Developments (Cambs) LimitedBuilders
- Truckweld LimitedMechanics and garages
- W V Jordan & Co LimitedFinishing trades
- Welbourns of Kings Lynn LtdMechanics and garages
What happens if Shamrocks Builders 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12369822
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 2019 (6 years ago)
- Registered office
- 30 Old Market, Wisbech, PE13 1NB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 April 2026
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 Wisbech
Other active building contractors registered in Wisbech.
- Smithdon Developments Ltd2016
- Stark Construction Ltd2021
- Supercrete Groundworks Limited2000
- Swift Building Company Ltd2010
- T & G Semper Electrical & Building Contractors Limited2015
- TMF Construction LDN Ltd2026
- Topbuild Developments (Cambs) Limited2021
- Towler Construction Limited2002
All building contractors in Wisbech · All trades in Wisbech · Builders across the UK
Frequently asked questions
When are Shamrocks Builders Limited's accounts due?
Shamrocks Builders Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Shamrocks Builders Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Shamrocks Builders Limited still trading?
Shamrocks Builders 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 Shamrocks Builders Limited do?
Shamrocks Builders Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Shamrocks Builders Limited?
Shamrocks Builders Limited was incorporated on 18 December 2019, 6 years ago.
Who runs Shamrocks Builders Limited?
Shamrocks Builders Limited has 1 active director, the longest-serving appointed in Jan 2022. Their names and service addresses are on the Companies House register.
Who owns Shamrocks Builders Limited?
One person or company has significant control of Shamrocks Builders Limited: an individual (has significant influence or control).
What is the penalty if Shamrocks Builders 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 Shamrocks Builders 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.