- Company number
- 09905984
- Incorporated
- 8 Dec 201510 years trading
- Registered office
- 1 Blackthorn Close, Watford, WD25 7EL
- Nature of business
- Construction of domestic buildings
MGB London Limited is a 10-year-old private limited company registered in Watford, company number 09905984, one of 365 building contractors in Watford. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £4,998 (+90.4%) on the year before, to £11K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £8,454 against £2,885 owed within a year: 2.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £11K | £8,454 | £2,885 | 1 | |
| 30 Apr 2024 | £5,527 | £7,718 | £9,212 | 1 | |
| 30 Apr 2023 | £10K | £8,199 | £7,496 | 1 | |
| 30 Apr 2022 | £11K | £1,055 | £2,053 | 1 | |
| 30 Apr 2021 | £190 | £1,441 | £2,001 | 1 | |
| 30 Apr 2020 | £158 | £2,879 | £3,636 | 1 | |
| 30 Apr 2019 | £147 | £2,397 | £2,250 | 1 | |
| 30 Apr 2018 | £3,554 | £10K | £6,635 | 1 | |
| 31 Dec 2016 | £606 | £24K | £23K |
Where MGB London Limited is registered
The registered office is in Watford (WD25), in the Watford local authority area, East of England. Show WD25 7EL on a map.
Other trade companies in WD25
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- Velocity Mechanical LtdPlumbers and heating engineers
- Jpjcm LimitedFinishing trades
- Mix & Go LtdSpecialist contractors
- Colney Prestige Autos LtdMotor traders
- Prestige Garden Services LtdLandscapers and gardeners
- Destinyd LtdMachinery repair and installation
- Leaf Space LimitedFinishing trades
What happens if MGB London 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 09905984
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 December 2015 (10 years ago)
- Registered office
- 1 Blackthorn Close, Watford, WD25 7EL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 7 December 2025
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 Watford
Other active building contractors registered in Watford.
- Michael H Building Services Ltd2005
- Middlesex Construction Solutions Limited2013
- MNF Facades Build Ltd2025
- Molla Bros Construction Ltd2021
- MPS Building Services Ltd2021
- Msmlr Ltd2026
- Muirfields Homes Ltd2018
- My New Loft Limited2017
All building contractors in Watford · All trades in Watford · Builders across the UK
Frequently asked questions
When are MGB London Limited's accounts due?
MGB London Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is MGB London Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is MGB London Limited still trading?
MGB London 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 MGB London Limited do?
MGB London Limited is registered under Construction of domestic buildings (SIC 41202).
How old is MGB London Limited?
MGB London Limited was incorporated on 8 December 2015, 10 years ago.
What is the penalty if MGB London 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 MGB London 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.