- Companies
- Specialist contractors
- Maldon
- I D Corcoran Building Contractors Limited
I D Corcoran Building Contractors Limited
- Company number
- 01158331
- Incorporated
- 28 Jan 197452 years trading
- Registered office
- Unit 2 the Barn Fambridge Road, Mundon, Maldon, Essex, CM9 6NL
- Nature of business
- Other specialised construction activities n.e.c.
I D Corcoran Building Contractors Limited is a 52-year-old private limited company registered in Maldon, company number 01158331, one of 47 specialist construction companies in Maldon. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £112K (+5.5%) on the year before, to £2.1M.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £2M against £916K owed within a year: 2.1 times cover.
- 19 employees on average, down from 24 the year before.
- 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 Jul 2025 | £2.1M | £771K | £2M | £916K | 19 |
| 31 Jul 2024 | £2M | £1.1M | £1.4M | £467K | 24 |
| 31 Jul 2023 | £3.5M | £2.5M | £3M | £571K | 20 |
| 31 Jul 2022 | £3.5M | £2.5M | £2.8M | £483K | 25 |
| 31 Jul 2021 | £3.2M | £2.2M | £2.6M | £450K | 22 |
| 31 Jul 2020 | £2.9M | £2M | £2.2M | £227K | 25 |
| 31 Jul 2019 | £2.9M | £2.5M | £3M | £867K | 33 |
Public contracts won
I D Corcoran Building Contractors Limited has 6 public sector contract awards on record; the ones with their own published value total £621K, from 2025 to 2026. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Nuclear Restoration Services Limited4 awards
- Nuclear Restoration Services Ltd1 award
- Nuclear Restoration Services1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Nuclear Restoration Services Ltd | Dungeness A: Replace Surface Drains Pumps 1&3 | £342K | 5 Mar 2026 |
| Nuclear Restoration Services Limited | Dungeness A Site - Maintenance / Ops Office Refurbishment | 28 Jan 2026 | |
| Nuclear Restoration Services Limited | DNA Boilers - Electrician support to Isolation Project | £66K | 25 Sep 2025 |
| Nuclear Restoration Services Limited | DNA Boilers - Cable surveys for electrical isolation | £59K | 24 Sep 2025 |
| Nuclear Restoration Services Limited | Dungeness Site Water Mains Improvements | £70K | 24 Mar 2025 |
| Nuclear Restoration Services | HKA MLF Road Upgrades | £84K | 17 Feb 2025 |
Where I D Corcoran Building Contractors Limited is registered
The registered office is in Maldon (CM9), in the Maldon local authority area, East of England. Show CM9 6NL on a map.
Other trade companies in CM9
- Rose Prestige Automotive LimitedMotor traders
- S&B Restoration LtdFinishing trades
- Ojf Air LimitedPlumbers and heating engineers
- Eluvis (Boston) LtdProperty developers
- Maldon Electrical LtdElectricians
- Eluvis Dover LtdProperty developers
- Eluvis Peasmarsh LtdProperty developers
- Rubberworx Safety Surfacing LtdGroundworks and demolition
Also registered at this address
1 other company uses the same registered office as I D Corcoran Building Contractors Limited.
- Idc Survey Solutions LimitedSpecialist contractors
What happens if I D Corcoran Building Contractors 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 01158331
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 January 1974 (52 years ago)
- Registered office
- Unit 2 the Barn Fambridge Road, Mundon, Maldon, Essex, CM9 6NL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 30 December 2025
- Charges (mortgages)
- 0 outstanding of 6 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Maldon
Other active specialist construction companies registered in Maldon.
- Idc Survey Solutions Limited2026
- L Foster Site Surveying Ltd2021
- Lucas Carpentry Limited2025
- Macadamac Surfaces Limited2018
- Maldon Fire Safety Limited2024
- Maldon Loft Services Ltd2025
- Maldon Reclamation Limited2025
- Marmi Ltd.1992
All specialist construction companies in Maldon · All trades in Maldon · Specialist contractors across the UK
Frequently asked questions
When are I D Corcoran Building Contractors Limited's accounts due?
I D Corcoran Building Contractors Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is I D Corcoran Building Contractors Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is I D Corcoran Building Contractors Limited still trading?
I D Corcoran Building Contractors 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 I D Corcoran Building Contractors Limited do?
I D Corcoran Building Contractors Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is I D Corcoran Building Contractors Limited?
I D Corcoran Building Contractors Limited was incorporated on 28 January 1974, 52 years ago.
Has I D Corcoran Building Contractors Limited won public sector contracts?
Yes. I D Corcoran Building Contractors Limited has 6 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £621K), most recently from Nuclear Restoration Services Ltd.
What is the penalty if I D Corcoran Building Contractors 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 I D Corcoran Building Contractors 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.