- Companies
- Finishing trades
- Heywood
- Connolly & Sons Systems Ltd
Connolly & Sons Systems Ltd
- Company number
- 16688746
- Incorporated
- 2 Sep 20251 year trading
- Registered office
- 165 Manchester Road, Heywood, OL10 2HH
- Nature of business
- Other building completion and finishing
Connolly & Sons Systems Ltd is a 1-year-old private limited company registered in Heywood, company number 16688746, one of 30 building finishing companies in Heywood. Its next accounts are due at Companies House on 2 June 2027, and its first CT600 is due at HMRC on 1 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Connolly & Sons Systems Ltd is registered
The registered office is in Heywood (OL10), in the Rochdale local authority area, North West. Show OL10 2HH on a map.
Other trade companies in OL10
- SRK Automotive LtdMechanics and garages
- CJX Technical Services LimitedElectricians
- A&G Joinery Serves and Decorating LtdProperty developers
- Shareprofit Building & Handman Services LtdInstallers
- Calderdale Cleaning Collective LimitedCleaning companies
- MK Vag Automotive LtdMotor traders
- Elliott’S Exteriors LtdCleaning companies
- CW Construction & Joinery LtdBuilders
What happens if Connolly & Sons Systems 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 2 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Jun 2027 to 2 Jul 2027 | £150 |
| 1 to 3 months late | 3 Jul 2027 to 2 Sep 2027 | £375 |
| 3 to 6 months late | 3 Sep 2027 to 2 Dec 2027 | £750 |
| More than 6 months late | From 3 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16688746
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 2025 (1 year ago)
- Registered office
- 165 Manchester Road, Heywood, OL10 2HH
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 1 September 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Heywood
Other active building finishing companies registered in Heywood.
- Cullen Building Services Ltd2023
- Duch Ltd.2012
- Eco-Pro Finishes Ltd2023
- Experiors (U.K.) Ltd2018
- Goleci Construction Ltd2020
- GQ Worktops Limited2017
- HH Cladding Ltd2021
- Hirst & Sons Building & Joinery Services Ltd2012
All building finishing companies in Heywood · All trades in Heywood · Finishing trades across the UK
Frequently asked questions
When are Connolly & Sons Systems Ltd's accounts due?
Connolly & Sons Systems Ltd's next accounts are due at Companies House by 2 June 2027 (in 232 days), covering the period to 30 September 2026.
When is Connolly & Sons Systems Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 1 September 2026, due by 1 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Connolly & Sons Systems Ltd still trading?
Connolly & Sons Systems 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 Connolly & Sons Systems Ltd do?
Connolly & Sons Systems Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Connolly & Sons Systems Ltd?
Connolly & Sons Systems Ltd was incorporated on 2 September 2025, 1 year ago.
What is the penalty if Connolly & Sons Systems 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 Connolly & Sons Systems 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.