- Companies
- Specialist contractors
- Ruislip
- Deehan Excavations Limited
Deehan Excavations Limited
- Company number
- 13465833
- Incorporated
- 18 Jun 20215 years trading
- Registered office
- 86 Castleton Road, Ruislip, HA4 9QL
- Nature of business
- Other specialised construction activities n.e.c.
Deehan Excavations Limited is a 5-year-old private limited company registered in Ruislip, company number 13465833, one of 107 specialist construction companies in Ruislip. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 up £99K (+97.7%) on the year before, to -£2,294.
- Net assets rose in 1 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£2,294 | £15K | £0 | 1 | |
| 30 Jun 2024 | -£102K | £3,495 | £100K | 1 | |
| 30 Jun 2023 | -£85K | £27K | £111K | 1 | |
| 30 Jun 2022 | -£2,356 | £484 | £484 | £2,840 | 1 |
Where Deehan Excavations Limited is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 9QL on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
What happens if Deehan Excavations 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 13465833
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 June 2021 (5 years ago)
- Registered office
- 86 Castleton Road, Ruislip, HA4 9QL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 17 June 2026
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 Ruislip
Other active specialist construction companies registered in Ruislip.
- Deer Park Engineering Ltd2007
- Dell & Sons Landscaping Limited2016
- Diamondthrust Limited1987
- DR Construction and Maintenance Services Limited2015
- Driveline Paving Limited2011
- Drivestone Limited2017
- DSLP Limited2025
- Ela Merite Solutions Ltd2015
All specialist construction companies in Ruislip · All trades in Ruislip · Specialist contractors across the UK
Frequently asked questions
When are Deehan Excavations Limited's accounts due?
Deehan Excavations Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Deehan Excavations Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Deehan Excavations Limited still trading?
Deehan Excavations 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 Deehan Excavations Limited do?
Deehan Excavations Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Deehan Excavations Limited?
Deehan Excavations Limited was incorporated on 18 June 2021, 5 years ago.
What is the penalty if Deehan Excavations 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 Deehan Excavations 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.