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- Streamline Maintenance Ltd
Company profile · Specialist contractors
Streamline Maintenance Ltd
Streamline Maintenance Ltd is a 5-year-old private limited company registered in London, company number 13588243, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 August 2025, as filed at Companies House.
Streamline Maintenance Ltd over the years
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 £95K (-51.4%) on the year before, to £90K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £114K against £29K owed within a year: 3.9 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Aug 2025 | £90K | £114K | £29K | 4 | |
| 30 Aug 2024 | £184K | £374K | £192K | 4 | |
| 31 Aug 2023 | £32K | £106K | £75K | 4 | |
| 31 Aug 2022 | £10K | £28K | £19K | 1 |
Where Streamline Maintenance Ltd is registered
The registered office is in London (NW11), in the Barnet local authority area, London. Show NW11 9NJ on a map.
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What happens if Streamline Maintenance 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Aug 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Aug 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
- 13588243
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 August 2021 (5 years ago)
- Registered office
- Park House, 1 Russell Gardens, London, NW11 9NJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 August 2025
- Last confirmation statement
- 13 April 2026
- Previous names
- JB Maintenance Ltd (until 24 Nov 2021)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Strength Builders Ltd2019
- Strongarmz Ltd2026
- Stronghold & Daughters Ltd2025
- Stronghold Projects Ltd2025
- Stroyant Ltd2017
- Structorn Ltd2025
- Structura Konsult Ltd2025
- Structural Alterations Ltd2018
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Streamline Maintenance Ltd's accounts due?
Streamline Maintenance Ltd's next accounts are due at Companies House by 30 May 2027 (in 230 days), covering the period to 30 August 2026.
When is Streamline Maintenance Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is Streamline Maintenance Ltd still trading?
Streamline Maintenance 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 Streamline Maintenance Ltd do?
Streamline Maintenance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Streamline Maintenance Ltd?
Streamline Maintenance Ltd was incorporated on 26 August 2021, 5 years ago.
What is the penalty if Streamline Maintenance 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 Streamline Maintenance 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.