- Company number
- 10022104
- Incorporated
- 23 Feb 201610 years trading
- Registered office
- Unit 12 Warwick Mill Business Park, Warwick Bridge, Carlisle, Cumbria, CA4 8RR
- Nature of business
- Construction of domestic buildings
Irthing Developments Limited is a 10-year-old private limited company registered in Carlisle, company number 10022104, one of 101 building contractors in Carlisle. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £41K (-38.3%) on the year before, to £67K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- 5 employees on average, down from 6 the year before.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £67K | £57K | £49K | 5 | |
| 28 Feb 2024 | £108K | £135K | £98K | 6 | |
| 28 Feb 2023 | £29K | £27K | £51K | 6 | |
| 28 Feb 2022 | £32K | £100K | £89K | 6 | |
| 28 Feb 2021 | £23K | £32K | £52K | 5 | |
| 28 Feb 2020 | £11K | £29K | £54K | 4 | |
| 28 Feb 2019 | £1,070 | £1,767 | £50K | ||
| 28 Feb 2018 | £3,214 | £8,659 | £62K | ||
| 28 Feb 2017 | £1,000 | £50K | £13K |
Who runs and owns Irthing Developments Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| G*** R*** | Director | Feb 2016 |
| S*** R*** | Director | May 2018 |
| S*** R*** | Secretary | May 2018 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| G*** S*** | Secretary | Feb 2016 | Mar 2019 |
| A*** S*** | Director | Apr 2018 | Mar 2019 |
| G*** S*** | Director | Feb 2016 | Mar 2019 |
People with significant control (2)
Where Irthing Developments Limited is registered
The registered office is in Carlisle (CA4), in the Cumberland local authority area, North West. Show CA4 8RR on a map.
Other trade companies in CA4
- Adr Utilities LtdCivil engineering
- James Atkinson Electrical LtdElectricians
- Low Hesket (Penrith) LimitedBuilders
- Carlisle Developments LtdSpecialist contractors
- Cumbria Glass Repairs LimitedMechanics and garages
- Wright Roofing UK LtdRoofers
- Eden Valley Property Maintenance LimitedJoiners and carpenters
- Lakeland Lighting and Power, Electrical Contractors LimitedElectricians
What happens if Irthing Developments 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10022104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 February 2016 (10 years ago)
- Registered office
- Unit 12 Warwick Mill Business Park, Warwick Bridge, Carlisle, Cumbria, CA4 8RR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 22 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Carlisle
Other active building contractors registered in Carlisle.
- John Moore and Sons (Builders) Limited2004
- John&Sons Concrete Contractors Ltd2022
- JRB Masonry Ltd2022
- Kevin Bell (2006) Limited2006
- KG Bricklayers Ltd2018
- Kirk and Stone Construction Ltd2021
- Little & Coates Limited2002
- Longdales Construction Limited2022
All building contractors in Carlisle · All trades in Carlisle · Builders across the UK
Frequently asked questions
When are Irthing Developments Limited's accounts due?
Irthing Developments Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Irthing Developments Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Irthing Developments Limited still trading?
Irthing Developments 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 Irthing Developments Limited do?
Irthing Developments Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Irthing Developments Limited?
Irthing Developments Limited was incorporated on 23 February 2016, 10 years ago.
Who runs Irthing Developments Limited?
Irthing Developments Limited has 2 active directors, the longest-serving appointed in Feb 2016. Their names and service addresses are on the Companies House register.
Who owns Irthing Developments Limited?
2 people or companies have significant control of Irthing Developments Limited: an individual (owns 25% to 50% of the shares); an individual (has significant influence or control).
What is the penalty if Irthing Developments 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 Irthing Developments 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.