- Companies
- Property developers
- Harrow
- Altomart Limited
Altomart Limited
- Company number
- 02674658
- Incorporated
- 31 Dec 199134 years trading
- Registered office
- Suite 2, Rama Apartments, 17 ST. Anns Road, Harrow, Middlesex, HA1 1JU
- Nature of business
- Development of building projects; Construction of domestic buildings; Sale of new cars and light motor vehicles; Buying and selling of own real estate
Altomart Limited is a 34-year-old private limited company registered in Harrow, company number 02674658, one of 679 property development companies in Harrow. 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 £12M (-31.6%) on the year before, to £26M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £36M against £24M owed within a year: 1.5 times cover.
- 40 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £26M | £1.1M | £36M | £24M | 40 |
| 31 Mar 2024 | £38M | £759K | £4.8M | £26M | 40 |
| 31 Mar 2023 | £22M | £564K | £2.8M | £8.7M | 35 |
| 31 Mar 2022 | £19M | £2.3M | £4.7M | £3.2M | 30 |
| 31 Mar 2021 | £14M | £8.4M | £9.5M | £1.8M | 6 |
| 31 Mar 2020 | £14M | £9.7M | £11M | £2.1M | 6 |
| 31 Mar 2019 | £14M | £10M | £11M | £2.5M | 5 |
| 31 Mar 2018 | £14M | £1.8M | £3.2M | £2.4M | 3 |
| 31 Mar 2017 | £13M | £1.9M | £3.4M | £3.9M | 3 |
| 31 Mar 2016 | £12M | £1.8M | £3.6M | £3.7M |
Where Altomart Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1JU on a map.
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What happens if Altomart 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 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
- 02674658
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 December 1991 (34 years ago)
- Registered office
- Suite 2, Rama Apartments, 17 ST. Anns Road, Harrow, Middlesex, HA1 1JU
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202)
Sale of new cars and light motor vehicles (SIC 45111)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 January 2026
- Charges (mortgages)
- 4 outstanding of 23 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 Harrow
Other active property development companies registered in Harrow.
- Amakan Ltd2020
- Ami Harrow Living Limited2026
- Andrei Construct Ltd2017
- Andrew Court (Freehold) Limited1988
- Andrici Homes Ltd2018
- Anh Construction Ltd2021
- Anon Bagshot Property Ltd2017
- Anon Properties Ltd2017
All property development companies in Harrow · All trades in Harrow · Property developers across the UK
Frequently asked questions
When are Altomart Limited's accounts due?
Altomart Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Altomart Limited'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 Altomart Limited still trading?
Altomart 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 Altomart Limited do?
Altomart Limited is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202); Sale of new cars and light motor vehicles (SIC 45111); Buying and selling of own real estate (SIC 68100).
How old is Altomart Limited?
Altomart Limited was incorporated on 31 December 1991, 34 years ago.
What is the penalty if Altomart 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 Altomart 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.