- Company number
- 13587309
- Incorporated
- 26 Aug 20215 years trading
- Registered office
- 338 Old York Road, London, SW18 1SS
- Nature of business
- Construction of domestic buildings
Speedwell DB Ltd is a 5-year-old private limited company registered in London, company number 13587309, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 unchanged on the year before, at £10.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £10 | £10 | 1 | ||
| 31 Aug 2024 | £10 | £10 | 1 | ||
| 31 Aug 2023 | £10 | £10 | 1 | ||
| 31 Aug 2022 | £10 | £10 | 1 |
Who runs and owns Speedwell DB Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** A*** | Director | Aug 2021 |
Person with significant control
Where Speedwell DB Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 1SS on a map.
Other trade companies in SW18
- Altius 24CHT LimitedProperty developers
- Nexlink Technologies LtdElectricians
- Straightedge Builders LtdProperty developers
- Parsons Green Re Design & Build LimitedProperty developers
- Home Appliances Repair LimitedRepair services
- 34 & 34A Lambrook Terrace Freehold LtdProperty developers
- 30 Thorndean LtdProperty developers
- Fircroft Group LimitedProperty developers
Also registered at this address
1 other company uses the same registered office as Speedwell DB Ltd.
- Speedwell Developments LtdProperty developers
What happens if Speedwell DB 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 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 | 1 Sep 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 | 31 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
- 13587309
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 August 2021 (5 years ago)
- Registered office
- 338 Old York Road, London, SW18 1SS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 25 August 2025
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Speedy Gas Limited2013
- Speeem Energy & Engineering Ltd2025
- Spellman Residential Limited2014
- Spencer Contracts Limited1999
- Spencer Nunn Builders & Refurbishment Ltd.2021
- Sperling Build Ltd2020
- SPG FM Group Ltd2025
- Spire Construction Ltd2019
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Speedwell DB Ltd's accounts due?
Speedwell DB Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Speedwell DB Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Speedwell DB Ltd still trading?
Speedwell DB Ltd is listed as active on the Companies House register (checked 12 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 Speedwell DB Ltd do?
Speedwell DB Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Speedwell DB Ltd?
Speedwell DB Ltd was incorporated on 26 August 2021, 5 years ago.
Who runs Speedwell DB Ltd?
Speedwell DB Ltd has 1 active director, the longest-serving appointed in Aug 2021. Their names and service addresses are on the Companies House register.
Who owns Speedwell DB Ltd?
One person or company has significant control of Speedwell DB Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Speedwell DB 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 Speedwell DB Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.