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- Magnetar Developments Ltd
Company profile · Finishing trades
Magnetar Developments Ltd
Magnetar Developments Ltd is a 3-year-old private limited company registered in Birmingham, company number 15132377, one of 422 building finishing companies in Birmingham. 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.
Magnetar Developments Ltd 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 £122K (+203.2%) on the year before, to £182K.
- Current assets of £205K against £78K owed within a year: 2.6 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £182K | £147K | £205K | £78K | 3 |
| 30 Sep 2024 | £60K | £23K | £60K | £10K | 3 |
Where Magnetar Developments Ltd is registered
The registered office is in Birmingham (B3), in the Birmingham local authority area, West Midlands. Show B3 1PX on a map.
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- G.Monie Auto LimitedMotor traders
- Contegra Technical Services LimitedCleaning companies
- Jorah LimitedPainters and decorators
- JDL Solar LimitedElectricians
- Nexafitout LtdBuilders
- Drivenglobaluk LtdMotor traders
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Also registered at this address
18 other companies use the same registered office as Magnetar Developments Ltd.
- 007 Carpentry LtdInstallers
- Airside Systems LtdSpecialist contractors
- E S Groundworks LtdSpecialist contractors
- Hygen Heating LtdPlumbers and heating engineers
- Ironwood Flooring Services LtdFloor and wall tilers
- Ironwood Installation Services Ltd.Installers
- Marson Homes LimitedProperty developers
- Meridian Heating & Plumbing LimitedPlumbers and heating engineers
- Newum LtdPlumbers and heating engineers
- Outsourced Procurement Solutions LtdSpecialist contractors
- Redbrick Housing Consultancy LtdProperty developers
- Rlja Plumbing & Heating LtdPlumbers and heating engineers
- Rogers Rescue LimitedMechanics and garages
- Rogers Rescue Motoring Centre LimitedMechanics and garages
- S Cooper LimitedInstallers
- Snug Heating LimitedPlumbers and heating engineers
- Tilia Building LimitedProperty developers
- VCD Services LtdPlumbers and heating engineers
What happens if Magnetar Developments 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
- 15132377
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2023 (3 years ago)
- Registered office
- 61 Charlotte Street, Birmingham, B3 1PX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 11 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 Birmingham
Other active building finishing companies registered in Birmingham.
- Maintanix Ltd2026
- Maintenance Circle Ltd2023
- Maks Builders Ltd2017
- Martifix Limited2013
- Mash Property Solutions Ltd2024
- Master Windows JB Ltd2018
- Mastercraft Refurb Limited2026
- Mba Building Services Ltd2019
All building finishing companies in Birmingham · All trades in Birmingham · Finishing trades across the UK
Frequently asked questions
When are Magnetar Developments Ltd's accounts due?
Magnetar Developments Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Magnetar Developments 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 Magnetar Developments Ltd still trading?
Magnetar Developments 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 Magnetar Developments Ltd do?
Magnetar Developments Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Magnetar Developments Ltd?
Magnetar Developments Ltd was incorporated on 12 September 2023, 3 years ago.
What is the penalty if Magnetar Developments 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 Magnetar Developments 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.