- Company number
- 12293929
- Incorporated
- 1 Nov 20196 years trading
- Registered office
- 7&8 Concraft Business Park Chapel Street, Wincham, Northwich, CW9 6GJ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Grassby Special Projects Limited is a 6-year-old private limited company registered in Northwich, company number 12293929, one of 65 building contractors in Northwich. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Grassby Special Projects Limited is registered
The registered office is in Northwich (CW9), in the Cheshire West and Chester local authority area, North West. Show CW9 6GJ on a map.
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Also registered at this address
1 other company uses the same registered office as Grassby Special Projects Limited.
- Phatfella LimitedBuilders
What happens if Grassby Special Projects 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12293929
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 2019 (6 years ago)
- Registered office
- 7&8 Concraft Business Park Chapel Street, Wincham, Northwich, CW9 6GJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 October 2025
- Previous names
- Grassby Construction Limited (until 2 Apr 2024)
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 Northwich
Other active building contractors registered in Northwich.
- Greg Lambert Limited2003
- Hallworth Building Projects Ltd2022
- Hartford Builders Limited2016
- Iden Industries Ltd2020
- Impey Improvements Ltd2026
- Inox Group Ltd2024
- J Moore Builders Limited2011
- JLC Construction (Cheshire) Ltd2017
All building contractors in Northwich · All trades in Northwich · Builders across the UK
Frequently asked questions
When are Grassby Special Projects Limited's accounts due?
Grassby Special Projects Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Grassby Special Projects Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Grassby Special Projects Limited still trading?
Grassby Special Projects 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 Grassby Special Projects Limited do?
Grassby Special Projects Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Grassby Special Projects Limited?
Grassby Special Projects Limited was incorporated on 1 November 2019, 6 years ago.
What is the penalty if Grassby Special Projects 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 Grassby Special Projects 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.