- Companies
- Finishing trades
- Uxbridge
- Mag General Building Ltd
Mag General Building Ltd
- Company number
- 10457289
- Incorporated
- 2 Nov 20169 years trading
- Registered office
- 121 Tilehouse Way, Denham, Uxbridge, UB9 5JB
- Nature of business
- Other building completion and finishing
Mag General Building Ltd is a 9-year-old private limited company registered in Uxbridge, company number 10457289, one of 90 building finishing companies in Uxbridge. 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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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 £40K (-40.8%) on the year before, to £57K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £465K against £415K owed within a year: 1.1 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £57K | £22K | £465K | £415K | 1 |
| 31 Mar 2024 | £97K | £14K | £642K | £556K | 2 |
| 31 Mar 2023 | £95K | £41K | £578K | £482K | 5 |
| 31 Mar 2022 | £101K | £54K | £414K | £313K | 2 |
| 31 Mar 2021 | £128K | £86K | £324K | £196K | 2 |
| 31 Mar 2020 | £166K | £260K | £341K | £175K | 2 |
| 31 Mar 2019 | £47 | £101K | £101K | ||
| 31 Mar 2018 | £789 | £114K | £113K | ||
| 28 Feb 2017 | £1 | £1 |
Where Mag General Building Ltd is registered
The registered office is in Uxbridge (UB9), in the Buckinghamshire local authority area, South East. Show UB9 5JB on a map.
Other trade companies in UB9
- Buildzz LtdBuilders
- 31Rigging LimitedScaffolders
- Og Rigging LtdScaffolders
- Ajp Property Services London LtdBuilders
- Garry Clark Set Construction LtdInstallers
- Garry Clark Construction LtdBuilders
- LCCC Landscaping and Maintenance Services LtdLandscapers and gardeners
- Commsource LtdSpecialist contractors
Also registered at this address
2 other companies use the same registered office as Mag General Building Ltd.
- Brila Construct LtdInstallers
- JSG Contractors LtdInstallers
What happens if Mag General Building 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 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
- 10457289
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 November 2016 (9 years ago)
- Registered office
- 121 Tilehouse Way, Denham, Uxbridge, UB9 5JB
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 October 2025
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 Uxbridge
Other active building finishing companies registered in Uxbridge.
- MG Facades Ltd2025
- MLS Construct Ltd2016
- N B Builders London Ltd2026
- Nuanyang Building and Interior Ltd2023
- O&P Glass Ltd2005
- Our Builder London Limited2009
- P Timms Ltd2014
- P&G Premier Improvements Ltd2019
All building finishing companies in Uxbridge · All trades in Uxbridge · Finishing trades across the UK
Frequently asked questions
When are Mag General Building Ltd's accounts due?
Mag General Building Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mag General Building Ltd'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 Mag General Building Ltd still trading?
Mag General Building 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 Mag General Building Ltd do?
Mag General Building Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Mag General Building Ltd?
Mag General Building Ltd was incorporated on 2 November 2016, 9 years ago.
What is the penalty if Mag General Building 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 Mag General Building 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.