- Companies
- Civil engineering
- London
- Magill Masonry Ltd
Magill Masonry Ltd
- Company number
- 09827430
- Incorporated
- 16 Oct 201510 years trading
- Registered office
- 19 Lower Boston Road, London, W7 3TX
- Nature of business
- Construction of other civil engineering projects n.e.c.
Magill Masonry Ltd is a 10-year-old private limited company registered in London, company number 09827430, 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 unchanged on the year before, at -£8,125.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £86K against £71K owed within a year: 1.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£8,125 | £86K | £71K | 0 | |
| 31 Mar 2024 | -£8,125 | £86K | £71K | 1 | |
| 31 Mar 2023 | -£5,765 | £86K | £73K | 1 | |
| 31 Mar 2022 | -£2,237 | £113K | £101K | 1 | |
| 31 Mar 2021 | £4,416 | £144K | £96K | 1 | |
| 31 Mar 2020 | £28K | £97K | £69K | 1 | |
| 31 Mar 2019 | £27K | £50K | £23K | ||
| 31 Oct 2017 | £12K | £37K | £25K | ||
| 31 Oct 2016 | £2 |
Where Magill Masonry Ltd is registered
The registered office is in London (W7), in the Ealing local authority area, London. Show W7 3TX on a map.
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What happens if Magill Masonry 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
- 09827430
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2015 (10 years ago)
- Registered office
- 19 Lower Boston Road, London, W7 3TX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 October 2025
- Previous names
- K & N Masonry Limited (until 20 Apr 2019)
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.
- Mainline Civil Engineering Ltd2023
- Mainline Utility Group Ltd2025
- Maior Ltd2022
- Maison Consulting Services Ltd.2008
- Majeed Construction Ltd.2002
- Majesty Group Ltd.2015
- Makdu Services Limited2024
- Makmuz Ltd2019
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Magill Masonry Ltd's accounts due?
Magill Masonry 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 Magill Masonry 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 Magill Masonry Ltd still trading?
Magill Masonry 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 Magill Masonry Ltd do?
Magill Masonry Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Magill Masonry Ltd?
Magill Masonry Ltd was incorporated on 16 October 2015, 10 years ago.
What is the penalty if Magill Masonry 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 Magill Masonry 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.