- Companies
- Civil engineering
- Sutton
- Streamline Design Limited
Streamline Design Limited
- Company number
- 15964771
- Incorporated
- 18 Sep 20242 years trading
- Registered office
- Flat 5 Aldgate House, 74 Grove Road, Sutton, Surrey, SM1 1BT
- Nature of business
- Construction of other civil engineering projects n.e.c.
Streamline Design Limited is a 2-year-old private limited company registered in Sutton, company number 15964771, one of 33 civil engineering contractors in Sutton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Streamline Design LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Where Streamline Design Limited is registered
The registered office is in Sutton (SM1), in the Sutton local authority area, London. Show SM1 1BT on a map.
Other trade companies in SM1
- GML Landscaping & Tree Care LtdLandscapers and gardeners
- Alfa Sprint LtdMechanics and garages
- Roadside Help LtdMotor traders
- Pivotal Cleaning LtdCleaning companies
- Patchs Builder LimitedFinishing trades
- Leo Windows LimitedGlaziers
- MJG Motorworks LtdMechanics and garages
- Macgregor Landscapes and Gardens LtdLandscapers and gardeners
What happens if Streamline Design 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15964771
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2024 (2 years ago)
- Registered office
- Flat 5 Aldgate House, 74 Grove Road, Sutton, Surrey, SM1 1BT
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 17 September 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Sutton
Other active civil engineering contractors registered in Sutton.
- Suben Construction Ltd2017
- Total Groundworks Limited2003
- Vital Water Intelligence Limited2025
- Wired by JP Ltd2024
- Xchargeev Ltd2025
- Y&S Protection Ltd2022
- ZZZ Cons Ltd2025
- A3 London Engineering Ltd2020
All civil engineering contractors in Sutton · All trades in Sutton · Civil engineering across the UK
Frequently asked questions
When are Streamline Design Limited's accounts due?
Streamline Design Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Streamline Design Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Streamline Design Limited still trading?
Streamline Design 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 Streamline Design Limited do?
Streamline Design Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Streamline Design Limited?
Streamline Design Limited was incorporated on 18 September 2024, 2 years ago.
What is the penalty if Streamline Design 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 Streamline Design 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.