- Company number
- 12858719
- Incorporated
- 4 Sep 20206 years trading
- Registered office
- C/O Nra Accountancy Arrow Mill, Queensway, Rochdale, OL11 2YW
- Nature of business
- Construction of domestic buildings
Mains Building Contractors Ltd is a 6-year-old private limited company registered in Rochdale, company number 12858719, one of 139 building contractors in Rochdale. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £5,742 (+107.2%) on the year before, to £11K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £25K against £22K owed within a year: 1.2 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £11K | £13K | £25K | £22K | 2 |
| 30 Sep 2024 | £5,357 | £9,446 | £27K | £30K | 1 |
| 30 Sep 2023 | £20K | £27K | £30K | £22K | 1 |
| 30 Sep 2022 | £19K | £31K | £34K | £25K | 1 |
| 30 Sep 2021 | £19K | £2,462 | £9,557 | £5,618 | 1 |
Where Mains Building Contractors Ltd is registered
The registered office is in Rochdale (OL11), in the Rochdale local authority area, North West. Show OL11 2YW on a map.
Other trade companies in OL11
- H-Techs Installations LtdInstallers
- Acedealers LimitedMotor traders
- Maks Property Services LtdBuilders
- Risewell Properties LtdProperty developers
- Northern Commercials MCR LtdMechanics and garages
- Green One Electrical LtdElectricians
- Sale Body Shop LtdMechanics and garages
- Swistrepairs LtdRepair services
Also registered at this address
7 other companies use the same registered office as Mains Building Contractors Ltd.
- All in One Utilities LtdCivil engineering
- GKJ Joinery LtdJoiners and carpenters
- JPH Electrical Contractors LtdElectricians
- LNS Properties & Management LtdBuilders
- MPG Landscapes LimitedLandscapers and gardeners
- T C Contract Services LtdLandscapers and gardeners
- T C Tree Services LtdLandscapers and gardeners
What happens if Mains 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 12858719
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2020 (6 years ago)
- Registered office
- C/O Nra Accountancy Arrow Mill, Queensway, Rochdale, OL11 2YW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 September 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 Rochdale
Other active building contractors registered in Rochdale.
- Maks Property Services Ltd2026
- Mayo Civil Engineering (Elswick) Limited2020
- Mayo Civil Engineering (Longridge) Limited2020
- Mayo Developments (Station Quarter) Ltd2025
- MBW Projects Limited2024
- Megatrack Ltd2006
- MG Builders PVT Ltd2023
- Mobiz Drylining Finishes Ltd2025
All building contractors in Rochdale · All trades in Rochdale · Builders across the UK
Frequently asked questions
When are Mains Building Contractors Ltd's accounts due?
Mains Building Contractors Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mains Building Contractors Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mains Building Contractors Ltd still trading?
Mains 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 Mains Building Contractors Ltd do?
Mains Building Contractors Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Mains Building Contractors Ltd?
Mains Building Contractors Ltd was incorporated on 4 September 2020, 6 years ago.
What is the penalty if Mains 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 Mains 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.