- Companies
- Property developers
- London
- Tamjam Limited
Tamjam Limited
- Company number
- 05571179
- Incorporated
- 22 Sep 200521 years trading
- Registered office
- Ground Floor, 45 Pall Mall, London, SW1Y 5JG
- Nature of business
- Development of building projects
Tamjam Limited is a 21-year-old private limited company registered in London, company number 05571179, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 up £21K (+35%) on the year before, to £83K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £903K against £821K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £83K | £903K | £821K | 2 | |
| 31 Mar 2025 | £61K | £901K | £840K | 2 | |
| 31 Mar 2024 | £39K | £897K | £859K | 2 | |
| 31 Mar 2023 | £18K | £902K | £884K | 2 |
Where Tamjam Limited is registered
The registered office is in London (SW1Y), in the Westminster local authority area, London. Show SW1Y 5JG on a map.
Other trade companies in SW1Y
- Terrace-G Ai Infrastructure LtdProperty developers
- Stonevanta Construction LtdBuilders
- Blackstone Stay Management LtdBuilders
- Blackstone Construction Management LtdBuilders
- Star Plant Construction & Property Management LtdBuilders
- Star Plant Construction Works LtdGroundworks and demolition
- Premier Construction Works LtdGroundworks and demolition
- Premier Construction & Real Estate Management LtdBuilders
Also registered at this address
9 other companies use the same registered office as Tamjam Limited.
- 360 Engineering LimitedPlumbers and heating engineers
- 360 Engineering Service and Maintenance LimitedPlumbers and heating engineers
- Abimara Development (Stevenage) LtdProperty developers
- Abimara LimitedBuilders
- Bilderbeek LtdProperty developers
- Chinatown Properties LimitedProperty developers
- HVB Development LtdProperty developers
- Stealth House LimitedProperty developers
- Twsa Group LimitedInstallers
What happens if Tamjam 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 05571179
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 2005 (21 years ago)
- Registered office
- Ground Floor, 45 Pall Mall, London, SW1Y 5JG
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 22 September 2026
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.
- Tamona Holdings Ltd2016
- Tamuz Ltd2013
- Tamworth Yard Developments Ltd2021
- Tanglewood Property Consultants Ltd2026
- Tangy Properties Ltd2025
- Tantalus Homes Limited2017
- Tanya Grace Developments Limited2004
- Tap Estates Limited2025
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Tamjam Limited's accounts due?
Tamjam Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Tamjam Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Tamjam Limited still trading?
Tamjam Limited 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 Tamjam Limited do?
Tamjam Limited is registered under Development of building projects (SIC 41100).
How old is Tamjam Limited?
Tamjam Limited was incorporated on 22 September 2005, 21 years ago.
What is the penalty if Tamjam 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 Tamjam Limited 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.