- Companies
- Property developers
- London
- BSL Building & Maintenance Limited
BSL Building & Maintenance Limited
- Company number
- 13000319
- Incorporated
- 5 Nov 20205 years trading
- Registered office
- 255 Green Lanes, London, N13 4XE
- Nature of business
- Development of building projects; Construction of domestic buildings; Other building completion and finishing
BSL Building & Maintenance Limited is a 5-year-old private limited company registered in London, company number 13000319, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 26 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £8,397 on the year before, to £8,894.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £167K against £171K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £8,894 | £6,616 | £167K | £171K | 2 |
| 30 Nov 2023 | £497 | £88K | £137K | £153K | 2 |
| 30 Nov 2022 | £821 | £22K | £86K | £106K | 0 |
| 30 Nov 2021 | £12K | £31K | £64K | £68K | 2 |
Where BSL Building & Maintenance Limited is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4XE on a map.
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Shared registered office
28 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if BSL Building & Maintenance 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Feb 2027 | £200 |
| 3 months late | 26 May 2027 | another £200 |
| 6 months late | 26 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Feb 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
- 13000319
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2020 (5 years ago)
- Registered office
- 255 Green Lanes, London, N13 4XE
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 29 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 3 February 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.
- BSP Build Ltd2025
- BST Projects Ltd2024
- Btau.Club Limited2025
- Bucco Limited2025
- Buck Homes Ltd2026
- Buckford Estates Limited1984
- Buckhurst Build Limited2024
- Buckley Building (UK) Limited2011
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are BSL Building & Maintenance Limited's accounts due?
BSL Building & Maintenance Limited's next accounts are due at Companies House by 26 November 2026 (in 44 days), covering the period to 26 February 2026.
When is BSL Building & Maintenance Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 26 February 2026, due by 26 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is BSL Building & Maintenance Limited still trading?
BSL Building & Maintenance 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 BSL Building & Maintenance Limited do?
BSL Building & Maintenance Limited is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is BSL Building & Maintenance Limited?
BSL Building & Maintenance Limited was incorporated on 5 November 2020, 5 years ago.
What is the penalty if BSL Building & Maintenance 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 BSL Building & Maintenance 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.