- Companies
- Groundworks and demolition
- Edgware
- Inert Soil Management Limited
Inert Soil Management Limited
- Company number
- 06301356
- Incorporated
- 4 Jul 200719 years trading
- Registered office
- 11 Whitchurch Parade, Whitchurch Lane, Edgware, Middlesex, HA8 6LR
- Nature of business
- Site preparation
Inert Soil Management Limited is a 19-year-old private limited company registered in Edgware, company number 06301356, one of 11 groundworks and demolition companies in Edgware. 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 up £5,692 (+0.5%) on the year before, to -£1.2M.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £264K against £1.4M owed within a year: 0.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£1.2M | £264K | £1.4M | 2 | |
| 31 Aug 2024 | -£1.2M | £259K | £1.4M | 2 | |
| 31 Aug 2023 | -£1.2M | £233K | £1.4M | 2 | |
| 31 Aug 2022 | -£1.2M | £223K | £1.4M | 2 | |
| 31 Aug 2021 | -£1M | £385K | £1.4M | 2 | |
| 31 Aug 2020 | -£1.2M | £248K | £1.4M | 2 | |
| 31 Aug 2019 | -£1.1M | £274K | £1.4M | 2 |
Where Inert Soil Management Limited is registered
The registered office is in Edgware (HA8), in the Harrow local authority area, London. Show HA8 6LR on a map.
Other trade companies in HA8
- Capital Roadside & Motors LtdMotor traders
- Shreeji Decor LtdInstallers
- Kohli Group Properties LimitedProperty developers
- Brothers Landmark LtdProperty developers
- MS Flooring & Decor LtdFloor and wall tilers
- C&I Building Solutions LtdBuilders
- Dynamic Mobile Tyre LtdMechanics and garages
- Crownline Motors LtdMotor traders
Also registered at this address
22 other companies use the same registered office as Inert Soil Management Limited.
- Aklandscaping LtdLandscapers and gardeners
- Barclay Grange LimitedProperty developers
- Barfoot Maintenance LimitedRoofers
- Bellstrong Construction LtdBuilders
- Branching Out Gardening Services LimitedLandscapers and gardeners
- Church Elm Motors LimitedMechanics and garages
- CJ Adams Pebbledashing LimitedPlasterers
- D. C. Dodd Motor Repairs LimitedMechanics and garages
- Firs Groundworks LimitedCivil engineering
- Flitking LimitedFinishing trades
- J Civil's LimitedSpecialist contractors
- J McGowan LimitedGroundworks and demolition
- Jack Gibbs Heating and Plumbing LimitedPlumbers and heating engineers
- Laindon Motoring Centre LimitedMechanics and garages
- M & M Selley LtdSpecialist contractors
- Morecare Interiors LimitedFinishing trades
- Morecare Maintenance LimitedFinishing trades
- R K L Services LimitedFinishing trades
- Stark Consultancy LimitedCleaning companies
- Strippers Paint Removers LimitedCleaning companies
- The RS Centre LimitedMotor traders
- W/Indi Logistics LtdMachinery repair and installation
What happens if Inert Soil Management 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 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
- 06301356
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 July 2007 (19 years ago)
- Registered office
- 11 Whitchurch Parade, Whitchurch Lane, Edgware, Middlesex, HA8 6LR
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 4 July 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Edgware
Other active groundworks and demolition companies registered in Edgware.
- J McGowan Limited2012
- Quality Construction (Surrey) Limited2002
- Rares Construction Limited2024
- SS Pro-Pave Ltd2017
- Bute Construction Ltd2020
- Cafferty Construction Limited2003
- DLH Demolition & Labourers Ltd2025
- F D Britannia Drives Limited2016
All groundworks and demolition companies in Edgware · All trades in Edgware · Groundworks and demolition across the UK
Frequently asked questions
When are Inert Soil Management Limited's accounts due?
Inert Soil Management Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Inert Soil Management Limited'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 Inert Soil Management Limited still trading?
Inert Soil Management 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 Inert Soil Management Limited do?
Inert Soil Management Limited is registered under Site preparation (SIC 43120).
How old is Inert Soil Management Limited?
Inert Soil Management Limited was incorporated on 4 July 2007, 19 years ago.
What is the penalty if Inert Soil Management 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 Inert Soil Management 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.