Company profile · Builders
Extension Pro Limited
Extension Pro Limited is a 9-year-old private limited company registered in Bolton, company number 10945625, one of 258 building contractors in Bolton. 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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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Extension Pro Limited over the years
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 £5,076 (+6.8%) on the year before, to -£70K.
- Net assets rose in 1 of 7 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£70K | £0 | £67K | 1 | |
| 30 Sep 2024 | -£75K | £1 | £72K | 1 | |
| 30 Sep 2023 | -£42K | £714 | £38K | 1 | |
| 30 Sep 2022 | -£35K | £777 | £35K | 1 | |
| 30 Sep 2021 | -£31K | £4,498 | £36K | 1 | |
| 30 Sep 2020 | -£19K | £6,602 | £26K | 1 | |
| 30 Sep 2019 | £168 | £11K | £11K | 1 | |
| 30 Sep 2018 | £169 | £7,761 | £7,592 |
Where Extension Pro Limited is registered
The registered office is in Bolton (BL1), in the Bolton local authority area, North West. Show BL1 1PZ on a map.
Other trade companies in BL1
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- Northwest Auto Group LtdMotor traders
- Avent Automotive LimitedMotor traders
- Gma Autos LtdMotor traders
- Borka Electrical Solutions LimitedElectricians
- Centurion Titan LimitedProperty developers
- The Pit Crew LimitedMechanics and garages
- Halcon Services LimitedCleaning companies
Also registered at this address
12 other companies use the same registered office as Extension Pro Limited.
- 247 Gasstars LimitedPlumbers and heating engineers
- Arc Composites LtdMachinery repair and installation
- E&K Cleaning LtdPainters and decorators
- Feel the Sparkle Ltd.Cleaning companies
- Feel the Sparkle Southern LtdFinishing trades
- Interclean Southern LimitedCleaning companies
- KPG Insulation Solution LtdInstallers
- Norlund Trading LimitedMotor traders
- Phase Three Works LtdProperty developers
- Refreshing Cleaning Services LimitedCleaning companies
- Stratton KB LtdPlumbers and heating engineers
- UK Property Solutions (Ups) LtdBuilders
What happens if Extension Pro 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 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
- 10945625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2017 (9 years ago)
- Registered office
- 5 Canon Court, Institute Street, Bolton, BL1 1PZ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 31 March 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 Bolton
Other active building contractors registered in Bolton.
- Fairhome Property Solutions Ltd2022
- Fentone Estates Ltd2026
- FG Vivere Manchester Ltd2023
- Floor Design Contractors Limited1999
- Flynn Piling Ltd2017
- Food N Tipple Limited2003
- Force Construction North West Ltd2026
- Forshaw Construction Ltd2021
All building contractors in Bolton · All trades in Bolton · Builders across the UK
Frequently asked questions
When are Extension Pro Limited's accounts due?
Extension Pro Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Extension Pro Limited'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 Extension Pro Limited still trading?
Extension Pro 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 Extension Pro Limited do?
Extension Pro Limited is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is Extension Pro Limited?
Extension Pro Limited was incorporated on 4 September 2017, 9 years ago.
What is the penalty if Extension Pro 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 Extension Pro 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.