- Companies
- Property developers
- London
- Smarts Improvement Ltd
Smarts Improvement Ltd
- Company number
- 16351977
- Incorporated
- 29 Mar 20251 year trading
- Registered office
- 102 Engel Park, London, NW7 2HP
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings
Smarts Improvement Ltd is a 1-year-old private limited company registered in London, company number 16351977, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 29 December 2026, and its first CT600 is due at HMRC on 28 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Smarts Improvement Ltd is registered
The registered office is in London (NW7), in the Barnet local authority area, London. Show NW7 2HP on a map.
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What happens if Smarts Improvement 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 29 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2026 to 29 Jan 2027 | £150 |
| 1 to 3 months late | 30 Jan 2027 to 29 Mar 2027 | £375 |
| 3 to 6 months late | 30 Mar 2027 to 29 Jun 2027 | £750 |
| More than 6 months late | From 30 Jun 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
- 16351977
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 March 2025 (1 year ago)
- Registered office
- 102 Engel Park, London, NW7 2HP
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 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.
- Smartt Homes and Lettings Limited2024
- SMC Fulham Limited2019
- SMC Gower Limited2018
- SMC Inglis Limited2021
- SMC Investcorp Limited2015
- Smis North Street Limited2013
- Smisi Investment Limited2024
- Smith Bros.& Co.(Printers)Limited1919
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Smarts Improvement Ltd's accounts due?
Smarts Improvement Ltd's next accounts are due at Companies House by 29 December 2026 (in 77 days), covering the period to 31 March 2026.
When is Smarts Improvement Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 March 2026, due by 28 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smarts Improvement Ltd still trading?
Smarts Improvement 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 Smarts Improvement Ltd do?
Smarts Improvement Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Smarts Improvement Ltd?
Smarts Improvement Ltd was incorporated on 29 March 2025, 1 year ago.
What is the penalty if Smarts Improvement 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 Smarts Improvement 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.