- Company number
- 07896582
- Incorporated
- 4 Jan 201214 years trading
- Registered office
- 25 Overton Road, London, E10 7PR
- Nature of business
- Construction of commercial buildings; Joinery installation; Other building completion and finishing
Mason Interiors Ltd is a 14-year-old private limited company registered in London, company number 07896582, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 4 October 2027, and the CT600 for the period to 4 January 2027 is due at HMRC on 4 January 2028.
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 £11K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 4 Jan 2026 | £11K | 0 | |||
| 4 Jan 2025 | £11K | 0 | |||
| 4 Jan 2024 | £11K | £3 | £0 | 0 | |
| 4 Jan 2023 | £11K | £611 | £1,201 | £1,198 | 0 |
| 4 Jan 2022 | £11K | £485 | £1,202 | £1,200 | 0 |
| 4 Jan 2021 | £10K | £551 | £1,201 | £1,500 | 0 |
| 4 Jan 2020 | -£2,811 | £350 | £1,000 | £14K | 0 |
| 4 Jan 2019 | £7,919 | £76 | £1,226 | £4,952 | 0 |
Who runs and owns Mason Interiors Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| I*** S*** | Director | Feb 2020 |
| A*** S*** | Director | Feb 2024 |
| I*** S*** | Director | Jun 2026 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** S*** | Director | Oct 2023 | Jan 2024 |
| A*** S*** | Director | Feb 2020 | Aug 2023 |
| A*** S*** | Director | Jan 2012 | Aug 2013 |
| I*** S*** | Director | Sep 2016 | Jan 2021 |
| M*** S*** | Director | Jan 2012 | Feb 2022 |
| S*** S*** | Director | Jan 2012 | Aug 2014 |
People with significant control (2)
Where Mason Interiors Ltd is registered
The registered office is in London (E10), in the Waltham Forest local authority area, London. Show E10 7PR on a map.
Other trade companies in E10
- NB Power LimitedElectricians
- DN Automotive LtdMotor traders
- Aggaxx LimitedBuilders
- Atlas Build & Care LtdBuilders
- Build With Love LtdBuilders
- Micu Construction LtdBuilders
- Shahid Builders LtdFinishing trades
- U & M Consulting LtdMechanics and garages
What happens if Mason Interiors 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 4 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Oct 2027 to 4 Nov 2027 | £150 |
| 1 to 3 months late | 5 Nov 2027 to 4 Jan 2028 | £375 |
| 3 to 6 months late | 5 Jan 2028 to 4 Apr 2028 | £750 |
| More than 6 months late | From 5 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 5 Jan 2028 | £200 |
| 3 months late | 4 Apr 2028 | another £200 |
| 6 months late | 4 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 4 Jan 2029 | 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
- 07896582
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2012 (14 years ago)
- Registered office
- 25 Overton Road, London, E10 7PR
- Nature of business
- Construction of commercial buildings (SIC 41201)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390) - Year end
- 4 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 4 January 2026
- Last confirmation statement
- 23 April 2026
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 London
Other active building contractors registered in London.
- Masonary Homes Ltd2026
- Masonley Limited2024
- Masonry Frame Systems Limited2009
- Masq Homes Ltd2022
- Mass Group Commercial Ltd2022
- Master Builders Pro Ltd2024
- Master Building Contractor Ltd2025
- Master Built London Ltd2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Mason Interiors Ltd's accounts due?
Mason Interiors Ltd's next accounts are due at Companies House by 4 October 2027 (in 356 days), covering the period to 4 January 2027.
When is Mason Interiors Ltd's CT600 due?
The CT600 for the period to 4 January 2027 is due at HMRC by 4 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 5 October 2027.
Is Mason Interiors Ltd still trading?
Mason Interiors Ltd is listed as active on the Companies House register (checked 12 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 Mason Interiors Ltd do?
Mason Interiors Ltd is registered under Construction of commercial buildings (SIC 41201); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390).
How old is Mason Interiors Ltd?
Mason Interiors Ltd was incorporated on 4 January 2012, 14 years ago.
Who runs Mason Interiors Ltd?
Mason Interiors Ltd has 3 active directors, the longest-serving appointed in Feb 2020. Their names and service addresses are on the Companies House register.
Who owns Mason Interiors Ltd?
2 people or companies have significant control of Mason Interiors Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Mason Interiors 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 Mason Interiors Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.