- Companies
- Installers
- Dunmow
- Ian Kerwin Building Ltd
Ian Kerwin Building Ltd
- Company number
- 12596034
- Incorporated
- 12 May 20206 years trading
- Registered office
- 2 Fairmead Drive, Dunmow, Essex, CM6 4AL
- Nature of business
- Other construction installation
Ian Kerwin Building Ltd is a 6-year-old private limited company registered in Dunmow, company number 12596034, one of 18 installation companies (insulation, lifts, shutters and similar) in Dunmow. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 30 May 2026 is due at HMRC on 30 May 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 £72 (+91.1%) on the year before, to £151.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £38K against £56K owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £151 | £6,641 | £38K | £56K | 2 |
| 31 May 2024 | £79 | £7,186 | £50K | £75K | 2 |
| 31 May 2023 | £3,844 | £13K | £25K | 2 | |
| 31 May 2022 | £12K | £26K | £32K | 2 | |
| 31 May 2021 | £796 | £51K | £76K | 2 |
Who runs and owns Ian Kerwin Building Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** K*** | Director | May 2020 |
| I*** K*** | Director | May 2020 |
People with significant control (2)
Where Ian Kerwin Building Ltd is registered
The registered office is in Dunmow (CM6), in the Uttlesford local authority area, East of England. Show CM6 4AL on a map.
Other trade companies in CM6
- Sharpe Trees LtdLandscapers and gardeners
- Aston Cord (Southern) LimitedPlumbers and heating engineers
- Alhs Properties LimitedProperty developers
- Gibson & Co. Contracts LimitedElectricians
- Norson Tyres and Detailing LtdMechanics and garages
- Om Roofing and Building Contractors LtdBuilders
- Z T Auto LtdMotor traders
- Patsons Ac LtdPlumbers and heating engineers
What happens if Ian Kerwin Building Ltd 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 May 2027 | £200 |
| 3 months late | 30 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 May 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
- 12596034
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2020 (6 years ago)
- Registered office
- 2 Fairmead Drive, Dunmow, Essex, CM6 4AL
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 11 May 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Dunmow
Other active installation companies (insulation, lifts, shutters and similar) registered in Dunmow.
- JC Interiors Limited2012
- Marbla Limited2014
- Marstan Facilities Limited2016
- Og Conversions Limited2021
- S E Security Solutions Limited2021
- S.R. Gali Ltd2023
- Strathyx Building Systems Limited2026
- Swiftsure Safety Solutions Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Dunmow · All trades in Dunmow · Installers across the UK
Frequently asked questions
When are Ian Kerwin Building Ltd's accounts due?
Ian Kerwin Building Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 30 May 2026.
When is Ian Kerwin Building Ltd's CT600 due?
The CT600 for the period to 30 May 2026 is due at HMRC by 30 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Ian Kerwin Building Ltd still trading?
Ian Kerwin Building Ltd 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 Ian Kerwin Building Ltd do?
Ian Kerwin Building Ltd is registered under Other construction installation (SIC 43290).
How old is Ian Kerwin Building Ltd?
Ian Kerwin Building Ltd was incorporated on 12 May 2020, 6 years ago.
Who runs Ian Kerwin Building Ltd?
Ian Kerwin Building Ltd has 2 active directors, the longest-serving appointed in May 2020. Their names and service addresses are on the Companies House register.
Who owns Ian Kerwin Building Ltd?
2 people or companies have significant control of Ian Kerwin Building Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Ian Kerwin Building Ltd 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 Ian Kerwin Building Ltd 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.