- Companies
- Civil engineering
- London
- MF Builders London Ltd
MF Builders London Ltd
- Company number
- 10778904
- Incorporated
- 19 May 20179 years trading
- Registered office
- Unit 14, 63 Jeddo Road, London, W12 9EE
- Nature of business
- Construction of other civil engineering projects n.e.c.
MF Builders London Ltd is a 9-year-old private limited company registered in London, company number 10778904, one of 1,853 civil engineering contractors in London. 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 £29K (-838.4%) on the year before, to -£33K.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£33K | £2,815 | £35K | 1 | |
| 31 Mar 2024 | -£3,509 | £2,970 | £6,479 | 1 | |
| 31 Mar 2023 | -£1,435 | £0 | £1,435 | 1 | |
| 31 Mar 2022 | -£1,435 | £464 | £464 | £1,899 | 1 |
| 31 Mar 2021 | £5,220 | £2,838 | £4,097 | £780 | 1 |
| 31 Mar 2020 | £23K | £44K | £52K | £31K | 0 |
| 31 Mar 2019 | £23K | £38K | £17K | 0 | |
| 31 Mar 2018 | £19K | £25K | £7,627 | 0 |
Where MF Builders London Ltd is registered
The registered office is in London (W12), in the Hammersmith and Fulham local authority area, London. Show W12 9EE on a map.
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- Kasco Builders LtdBuilders
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- Cybernova Solutions LimitedMechanics and garages
- Lolach Services LimitedCleaning companies
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Also registered at this address
13 other companies use the same registered office as MF Builders London Ltd.
- Building Services A-Z LimitedFinishing trades
- Dora Decorators LimitedFinishing trades
- JP Construction (London) LtdFinishing trades
- Kat's Fabrics LtdMechanics and garages
- LW Consulting LtdCivil engineering
- Marcpol LimitedFinishing trades
- NM Creative LtdFinishing trades
- Robson Construction (London) LtdBuilders
- Solar - Bean LimitedPlumbers and heating engineers
- Southern Partners LtdProperty developers
- Switch - Electric LimitedElectricians
- W P Building & Construction LimitedFinishing trades
- Ziggy Projects LtdFinishing trades
What happens if MF Builders London 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
- 10778904
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2017 (9 years ago)
- Registered office
- Unit 14, 63 Jeddo Road, London, W12 9EE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 January 2026
- Previous names
- Sleczka Ltd (until 3 May 2023)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- MFL Utilities Ltd2026
- MG Engineering and Consultancy Ltd2025
- MG Ibrushi Construction Ltd2021
- MG Works Ltd2019
- MHNS Consultancy Ltd2026
- Michael Barclay Projects Limited2018
- Michels Trenchless (UK) Ltd.2025
- Micky Way Limited2015
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are MF Builders London Ltd's accounts due?
MF Builders London 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 MF Builders London 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 MF Builders London Ltd still trading?
MF Builders London 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 MF Builders London Ltd do?
MF Builders London Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is MF Builders London Ltd?
MF Builders London Ltd was incorporated on 19 May 2017, 9 years ago.
What is the penalty if MF Builders London 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 MF Builders London 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.