- Companies
- Property developers
- London
- Mill Brown Limited
Mill Brown Limited
- Company number
- 14468965
- Incorporated
- 8 Nov 20223 years trading
- Registered office
- Harben House Harben Parade, Finchley Road, London, NW3 6LH
- Nature of business
- Development of building projects; Other building completion and finishing
Mill Brown Limited is a 3-year-old private limited company registered in London, company number 14468965, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £54K on the year before, to -£54K.
- Current assets of £27K against £1.3M owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | -£54K | £2 | £27K | £1.3M | 0 |
| 30 Nov 2023 | £4 | £4 | 0 |
Where Mill Brown Limited is registered
The registered office is in London (NW3), in the Camden local authority area, London. Show NW3 6LH on a map.
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Shared registered office
28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Mill Brown 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 14468965
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2022 (3 years ago)
- Registered office
- Harben House Harben Parade, Finchley Road, London, NW3 6LH
- Nature of business
- Development of building projects (SIC 41100)
Other building completion and finishing (SIC 43390) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 22 July 2026
- Charges (mortgages)
- 4 outstanding of 6 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Mill Co. Studios Limited2009
- Mill Green Congleton Ltd2017
- Mill Way 2025 Limited2025
- Millar Consultancy Ltd2019
- Millar Morris Group Ltd2025
- Millards Hotels Trading Limited2024
- Millcastle Capital Ltd2011
- Millenium Property Developments Ltd2005
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Mill Brown Limited's accounts due?
Mill Brown Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Mill Brown Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mill Brown Limited still trading?
Mill Brown 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 Mill Brown Limited do?
Mill Brown Limited is registered under Development of building projects (SIC 41100); Other building completion and finishing (SIC 43390).
How old is Mill Brown Limited?
Mill Brown Limited was incorporated on 8 November 2022, 3 years ago.
What is the penalty if Mill Brown 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 Mill Brown 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.