- Companies
- Property developers
- London
- Smart Build London Ltd
Smart Build London Ltd
- Company number
- 09384085
- Incorporated
- 12 Jan 201511 years trading
- Registered office
- 255 Alexandra Road, London, N10 2EU
- Nature of business
- Development of building projects; Construction of commercial buildings; Construction of domestic buildings
Smart Build London Ltd is a 11-year-old private limited company registered in London, company number 09384085, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £28K (-68.7%) on the year before, to £13K.
- Current assets of £59K against £47K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £13K | £59K | £59K | £47K | 2 |
| 31 Dec 2024 | £40K | £77K | £77K | £37K | 2 |
| 31 Dec 2016 | -£17K | £5,757 | £23K | ||
| 31 Dec 2015 | £100 |
Where Smart Build London Ltd is registered
The registered office is in London (N10), in the Barnet local authority area, London. Show N10 2EU on a map.
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What happens if Smart Build London 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09384085
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2015 (11 years ago)
- Registered office
- 255 Alexandra Road, London, N10 2EU
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 12 January 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.
- Smart Build Property Management Ltd2026
- Smart Construction 2025 Ltd2025
- Smart Design Formula Ltd2018
- Smart Eagle Services Ltd2018
- Smart Edge Real Estate Ltd2026
- Smart Home Property Services Ltd2026
- Smart Living Group Limited2020
- Smart Property Investment Ltd2025
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Smart Build London Ltd's accounts due?
Smart Build London Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Smart Build London Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Smart Build London Ltd still trading?
Smart Build London 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 Smart Build London Ltd do?
Smart Build London 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 Smart Build London Ltd?
Smart Build London Ltd was incorporated on 12 January 2015, 11 years ago.
What is the penalty if Smart Build London 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 Smart Build London 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.