- Companies
- Groundworks and demolition
- Horley
- Callam Construction Limited
Callam Construction Limited
- Company number
- 06531683
- Incorporated
- 12 Mar 200818 years trading
- Registered office
- 27 High Street, Horley, RH6 7BH
- Nature of business
- Site preparation
Callam Construction Limited is a 18-year-old private limited company registered in Horley, company number 06531683, one of 7 groundworks and demolition companies in Horley. Companies House shows its accounts as overdue: they were due on 19 March 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 £9,747 (+134.2%) on the year before, to £17K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £8,033 against £25K owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | £17K | £8,033 | £25K | 2 | |
| 31 Mar 2023 | £7,261 | £1,146 | £8,407 | 2 | |
| 31 Mar 2022 | £9,143 | £1,398 | £11K | 2 | |
| 31 Mar 2021 | £4,554 | £3,480 | £8,034 | 1 | |
| 31 Mar 2020 | £4,310 | £4,486 | £8,796 | 2 | |
| 31 Mar 2019 | £2 | £1,535 | £1,533 | ||
| 31 Mar 2018 | £6 | £1,133 | £1,127 | ||
| 31 Mar 2017 | £2 | £7,292 | £7,290 | ||
| 31 Mar 2016 | £40 | £1,082 | £1,042 |
Who runs and owns Callam Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| L*** F*** | Director | Mar 2008 |
| M*** G*** | Secretary | Mar 2008 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Duport Secretary Limited | Secretary (company) | Mar 2008 | Mar 2008 |
| Duport Director Limited | Director (company) | Mar 2008 | Mar 2008 |
Person with significant control
Where Callam Construction Limited is registered
The registered office is in Horley (RH6), in the Reigate and Banstead local authority area, South East. Show RH6 7BH on a map.
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- American Autoparts LimitedMotor traders
- Touchwood Concepts & Designs LtdBuilders
- Red Apple Cars LimitedMotor traders
- Kinsted LtdProperty developers
- S.P Plumbing London LtdPlumbers and heating engineers
- Micahali Maintenence LtdSpecialist contractors
Also registered at this address
12 other companies use the same registered office as Callam Construction Limited.
- 44 Developments LimitedProperty developers
- A J Rail LimitedMachinery repair and installation
- B.E.S (Europe) LimitedCivil engineering
- Fires and Flues LimitedSpecialist contractors
- Fiveacross LimitedProperty developers
- Harman Green LimitedProperty developers
- Hide Paving LtdLandscapers and gardeners
- Homemaids South East LimitedCleaning companies
- MRMN Partners LtdProperty developers
- Siscon Controls LtdProperty developers
- Smart Space Creation LtdBuilders
- Southern Real Estate Hotels & Resorts Invest LimitedProperty developers
What happens if Callam Construction Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Mar 2026 to 19 Apr 2026 | £150 |
| 1 to 3 months late | 20 Apr 2026 to 19 Jun 2026 | £375 |
| 3 to 6 months late | 20 Jun 2026 to 19 Sep 2026 | £750 |
| More than 6 months late | From 20 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 20 Jun 2026 | £200 |
| 3 months late | 19 Sep 2026 | another £200 |
| 6 months late | 19 Dec 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 19 Jun 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
- 06531683
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2008 (18 years ago)
- Registered office
- 27 High Street, Horley, RH6 7BH
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2024
- Last confirmation statement
- 3 March 2025
- Previous names
- Callum Build Ltd (until 7 Apr 2008)
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 Horley
Other active groundworks and demolition companies registered in Horley.
- CHB Demolition Limited2025
- J.A. Excavations Limited2022
- Martin Joyce Limited1993
- Metro Deconstruction Services Limited2005
- Quickdig Excavation and Surfacing Ltd2017
- TW Groundwork and Construction Ltd2022
All groundworks and demolition companies in Horley · All trades in Horley · Groundworks and demolition across the UK
Frequently asked questions
When are Callam Construction Limited's accounts due?
Callam Construction Limited's accounts were due at Companies House on 19 March 2026 and the register shows them as overdue.
When is Callam Construction Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2025, due by 31 March 2026, and one for the period to 19 June 2025, due by 19 June 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Callam Construction Limited still trading?
Callam Construction Limited 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 Callam Construction Limited do?
Callam Construction Limited is registered under Site preparation (SIC 43120).
How old is Callam Construction Limited?
Callam Construction Limited was incorporated on 12 March 2008, 18 years ago.
Who runs Callam Construction Limited?
Callam Construction Limited has 1 active director, the longest-serving appointed in Mar 2008. Their names and service addresses are on the Companies House register.
Who owns Callam Construction Limited?
One person or company has significant control of Callam Construction Limited: an individual (owns 75% or more of the shares).
What is the penalty if Callam Construction 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 Callam Construction Limited 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.