- Companies
- Property developers
- London
- Cartinton Constructors Limited
Cartinton Constructors Limited
- Company number
- 15565693
- Incorporated
- 15 Mar 20242 years trading
- Registered office
- 25 Sherlock Court, Dorman Way, London, NW8 0RU
- Nature of business
- Development of building projects; Painting
Cartinton Constructors Limited is a 2-year-old private limited company registered in London, company number 15565693, 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 £91K on the year before, to £91K.
- Current assets of £108K against £70K owed within a year: 1.6 times cover.
- 3 employees on average, up from 0 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £91K | £108K | £108K | £70K | 3 |
| 31 Mar 2025 | £1 | £1 | 0 |
Where Cartinton Constructors Limited is registered
The registered office is in London (NW8), in the Camden local authority area, London. Show NW8 0RU on a map.
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What happens if Cartinton Constructors 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
- 15565693
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2024 (2 years ago)
- Registered office
- 25 Sherlock Court, Dorman Way, London, NW8 0RU
- Nature of business
- Development of building projects (SIC 41100)
Painting (SIC 43341) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 14 March 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.
- Cartwright 1S Developments Limited2003
- Cartwright 3SM Developments Limited2003
- Carvalho Renovations Limited2025
- Casa 9 Ltd2024
- Casa Bella Developments Ltd2011
- Casa by Grace Limited2021
- Casa VDG Limited2025
- Casa Vida Development Group Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Cartinton Constructors Limited's accounts due?
Cartinton Constructors 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 Cartinton Constructors 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 Cartinton Constructors Limited still trading?
Cartinton Constructors 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 Cartinton Constructors Limited do?
Cartinton Constructors Limited is registered under Development of building projects (SIC 41100); Painting (SIC 43341).
How old is Cartinton Constructors Limited?
Cartinton Constructors Limited was incorporated on 15 March 2024, 2 years ago.
What is the penalty if Cartinton Constructors 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 Cartinton Constructors 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.