- Companies
- Property developers
- Leeds
- Kalm Construction Services Limited
Kalm Construction Services Limited
- Company number
- 10809004
- Incorporated
- 8 Jun 20179 years trading
- Registered office
- 34 Marshall Street, Morley, Leeds, LS27 8HS
- Nature of business
- Development of building projects
Kalm Construction Services Limited is a 9-year-old private limited company registered in Leeds, company number 10809004, one of 831 property development companies in Leeds. Its next accounts are due at Companies House on 29 March 2027, and the CT600 for the period to 29 June 2026 is due at HMRC on 29 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 £16K (+32.9%) on the year before, to £64K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £145K against £73K owed within a year: 2.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Jun 2025 | £64K | £145K | £73K | 2 | |
| 30 Jun 2024 | £48K | £146K | £91K | 2 | |
| 30 Jun 2023 | £38K | £53K | £95K | £57K | 2 |
| 30 Jun 2022 | £56K | £179K | £212K | £76K | 3 |
| 30 Jun 2021 | £22K | £153K | £176K | £71K | 3 |
| 30 Jun 2020 | £43K | £194K | £199K | £79K | 3 |
| 30 Jun 2019 | £37K | £153K | £159K | £93K | 3 |
| 30 Jun 2018 | £24K | £148K | £167K | £147K |
Where Kalm Construction Services Limited is registered
The registered office is in Leeds (LS27), in the Leeds local authority area, Yorkshire and The Humber. Show LS27 8HS on a map.
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What happens if Kalm Construction Services 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 29 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Mar 2027 to 29 Apr 2027 | £150 |
| 1 to 3 months late | 30 Apr 2027 to 29 Jun 2027 | £375 |
| 3 to 6 months late | 30 Jun 2027 to 29 Sep 2027 | £750 |
| More than 6 months late | From 30 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jun 2027 | £200 |
| 3 months late | 29 Sep 2027 | another £200 |
| 6 months late | 29 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 10809004
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 June 2017 (9 years ago)
- Registered office
- 34 Marshall Street, Morley, Leeds, LS27 8HS
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 29 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 June 2025
- Last confirmation statement
- 7 June 2026
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 Leeds
Other active property development companies registered in Leeds.
- Kayumba Properties Ltd2023
- KB Construction and Building Works Limited2026
- KCS Development Limited2011
- KCS Project Management Limited2011
- Kensington Property Holdings Limited2017
- Kepla and Co. Ltd2022
- Kilpin Developments Limited2025
- Kmre (Baildon) Ltd2015
All property development companies in Leeds · All trades in Leeds · Property developers across the UK
Frequently asked questions
When are Kalm Construction Services Limited's accounts due?
Kalm Construction Services Limited's next accounts are due at Companies House by 29 March 2027 (in 167 days), covering the period to 29 June 2026.
When is Kalm Construction Services Limited's CT600 due?
The CT600 for the period to 29 June 2026 is due at HMRC by 29 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 March 2027.
Is Kalm Construction Services Limited still trading?
Kalm Construction Services 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 Kalm Construction Services Limited do?
Kalm Construction Services Limited is registered under Development of building projects (SIC 41100).
How old is Kalm Construction Services Limited?
Kalm Construction Services Limited was incorporated on 8 June 2017, 9 years ago.
What is the penalty if Kalm Construction Services 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 Kalm Construction Services 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.