- Companies
- Property developers
- Welwyn
- The Leech Group Ltd
The Leech Group Ltd
- Company number
- 10978861
- Incorporated
- 25 Sep 20179 years trading
- Registered office
- 20 Welwyn Hall Gardens, Welwyn, Hertfordshire, AL6 9LF
- Nature of business
- Development of building projects
The Leech Group Ltd is a 9-year-old private limited company registered in Welwyn, company number 10978861, one of 27 property development companies in Welwyn. 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.
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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 down £8,341 (-81.9%) on the year before, to £1,842.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £99K against £98K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £1,842 | £99K | £98K | 2 | |
| 30 Sep 2024 | £10K | £82K | £72K | 2 | |
| 30 Sep 2023 | £14K | £56K | £38K | 2 | |
| 30 Sep 2022 | £5,406 | £39K | £19K | 2 | |
| 30 Sep 2021 | £31K | £60K | £26K | 1 | |
| 30 Sep 2020 | £16K | £28K | £12K | 1 | |
| 30 Sep 2019 | -£10 | -£10 | 1 | ||
| 30 Sep 2018 | -£10 | -£10 | 1 | ||
| 30 Sep 2017 | £10 | £10 |
Where The Leech Group Ltd is registered
The registered office is in Welwyn (AL6), in the Welwyn Hatfield local authority area, East of England. Show AL6 9LF on a map.
Other trade companies in AL6
- Herts Climate Solutions LtdPlumbers and heating engineers
- Cosmorepairs LtdRepair services
- Little Enterprise Group LtdProperty developers
- Sehiti Plumbing and Heating LtdPlumbers and heating engineers
- LMC Highway Design LtdCivil engineering
- Fox Huhu Trading LimitedBuilders
- Enclosure Zoolutions LtdProperty developers
- G.I. Installation Services LimitedBuilders
What happens if The Leech Group 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 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
- 10978861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 September 2017 (9 years ago)
- Registered office
- 20 Welwyn Hall Gardens, Welwyn, Hertfordshire, AL6 9LF
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 September 2025
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 Welwyn
Other active property development companies registered in Welwyn.
- Total Maintenance UK Limited1993
- Warner Property Solutions Ltd2025
- Xy Property Development Ltd2022
- A.E.Bullock Limited1966
- Aap Dwellings Ltd2020
- Acc Pattison Limited2017
- B & J Building Consultancy Services Limited2005
- Brickwall Property Solutions Limited2021
All property development companies in Welwyn · All trades in Welwyn · Property developers across the UK
Frequently asked questions
When are The Leech Group Ltd's accounts due?
The Leech Group Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is The Leech Group Ltd'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 The Leech Group Ltd still trading?
The Leech Group 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 The Leech Group Ltd do?
The Leech Group Ltd is registered under Development of building projects (SIC 41100).
How old is The Leech Group Ltd?
The Leech Group Ltd was incorporated on 25 September 2017, 9 years ago.
What is the penalty if The Leech Group 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 The Leech Group 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.