- Companies
- Finishing trades
- Carlson Build Ltd
Carlson Build Ltd
- Company number
- 14992790
- Incorporated
- 10 Jul 20233 years trading
- Registered office
- Blake Tower,, Floor LG 12,, Barbican, London, EC2Y 8AF
- Nature of business
- Other building completion and finishing
Carlson Build Ltd is a 3-year-old private limited company registered in Barbican, company number 14992790, one of the UK's building finishing companies. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 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 £424 (-10.2%) on the year before, to £3,738.
- Current assets of £14K against £35K owed within a year: 0.4 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2025 | £3,738 | £14K | £35K | 1 | |
| 5 Apr 2024 | £4,162 | £21K | £40K | 0 |
Where Carlson Build Ltd is registered
The registered office is in Barbican (EC2Y), in the City of London local authority area, London. Show EC2Y 8AF on a map.
Other trade companies in EC2Y
- Eco Track & Access LtdSpecialist contractors
- NJ Groundworks & Landscaping LtdCivil engineering
- Cannon Connect LtdCivil engineering
- Landform William Road LimitedProperty developers
- Franklin Building LtdSpecialist contractors
- K Mackie Windows and Doors LtdGlaziers
- V1 Scaffolding LtdFinishing trades
- Nigel Plumb Windows LtdGlaziers
Also registered at this address
3 other companies use the same registered office as Carlson Build Ltd.
- Rew Property Renovation & Restoration LtdFinishing trades
- SR M.O.T and Service Centre LimitedMechanics and garages
- The Structural Stone Company LtdSpecialist contractors
What happens if Carlson Build 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 14992790
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2023 (3 years ago)
- Registered office
- Blake Tower,, Floor LG 12,, Barbican, London, EC2Y 8AF
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 17 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies
Other active building finishing companies.
Frequently asked questions
When are Carlson Build Ltd's accounts due?
Carlson Build Ltd's next accounts are due at Companies House by 5 January 2027 (in 84 days), covering the period to 5 April 2026.
When is Carlson Build Ltd's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is Carlson Build Ltd still trading?
Carlson Build 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 Carlson Build Ltd do?
Carlson Build Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Carlson Build Ltd?
Carlson Build Ltd was incorporated on 10 July 2023, 3 years ago.
What is the penalty if Carlson Build 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 Carlson Build 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.