- Companies
- Property developers
- London
- Speedwell Developments Ltd
Speedwell Developments Ltd
- Company number
- 12970292
- Incorporated
- 23 Oct 20205 years trading
- Registered office
- 338 Old York Road, London, SW18 1SS
- Nature of business
- Development of building projects
Speedwell Developments Ltd is a 5-year-old private limited company registered in London, company number 12970292, one of 14,100 property development companies in London. Companies House shows its accounts as overdue: they were due on 31 July 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 £32K (+9.8%) on the year before, to £362K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £4,195 against £19K owed within a year: 0.2 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 31 Oct 2024 | £362K | £4,195 | £19K | 1 | |
| 31 Oct 2023 | £329K | £895 | £7,305 | 1 | |
| 31 Oct 2022 | £242K | £844 | £5,465 | 1 | |
| 31 Oct 2021 | -£8,231 | -£28K | £19K | 2 |
Where Speedwell Developments Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 1SS on a map.
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Also registered at this address
1 other company uses the same registered office as Speedwell Developments Ltd.
- Speedwell DB LtdBuilders
What happens if Speedwell Developments Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2026 to 31 Aug 2026 | £150 |
| 1 to 3 months late | 1 Sep 2026 to 31 Oct 2026 | £375 |
| 3 to 6 months late | 1 Nov 2026 to 31 Jan 2027 | £750 |
| More than 6 months late | From 1 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2027 | 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
- 12970292
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2020 (5 years ago)
- Registered office
- 338 Old York Road, London, SW18 1SS
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 22 October 2025
- Charges (mortgages)
- 1 outstanding of 2 registered
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.
- Speedwood Estates Limited1962
- SPG Midco Limited2024
- Sphere Design and Build Ltd2020
- Sphinx Contracting Ltd2026
- Spiderplow (UK) Ltd2014
- Spim Ltd2026
- Spincross Limited1994
- Spink Holland ST Limited2016
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Speedwell Developments Ltd's accounts due?
Speedwell Developments Ltd's accounts were due at Companies House on 31 July 2026 and the register shows them as overdue.
When is Speedwell Developments Ltd's CT600 due?
The CT600 for the period to 31 October 2025 is due at HMRC by 31 October 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2026.
Is Speedwell Developments Ltd still trading?
Speedwell Developments Ltd is listed as active on the Companies House register (checked 13 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 Developments Ltd do?
Speedwell Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Speedwell Developments Ltd?
Speedwell Developments Ltd was incorporated on 23 October 2020, 5 years ago.
What is the penalty if Speedwell Developments 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 Developments Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.