- Company number
- NI642427
- Incorporated
- 29 Nov 20169 years trading
- Registered office
- 56 Breagh Lodge, Portadown, Co. Armagh, BT63 5YN
- Nature of business
- Roofing activities
Jeff Blair Construction Ltd is a 9-year-old private limited company registered in Portadown, company number NI642427, one of the UK's roofing companies. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £6,004 (-99.7%) on the year before, to £18.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £182K against £189K owed within a year: 1.0 times cover.
- 2 employees on average, up from 1 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £18 | £0 | £182K | £189K | 2 |
| 30 Nov 2024 | £6,022 | £15K | £197K | £193K | 1 |
| 30 Nov 2023 | £625 | £17K | £119K | £121K | 2 |
| 30 Nov 2022 | £24K | £2,045 | £107K | £86K | 2 |
| 30 Nov 2021 | £21K | £0 | £90K | £73K | 2 |
| 30 Nov 2020 | £21K | £3,034 | £183K | £164K | 2 |
| 30 Nov 2019 | £1,599 | £23K | £21K | 1 | |
| 30 Nov 2018 | £780 | £28K | £26K | ||
| 30 Nov 2017 | £37K | £59K | £12K |
Where Jeff Blair Construction Ltd is registered
The registered office is in Portadown (BT63), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT63 5YN on a map.
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- New Leaf Tree Services LtdLandscapers and gardeners
- Sustar Developments No2 LtdProperty developers
- Nivs (Craigavon) LimitedMotor traders
- Darren Vogan LtdPlumbers and heating engineers
What happens if Jeff Blair Construction 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- NI642427
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 November 2016 (9 years ago)
- Registered office
- 56 Breagh Lodge, Portadown, Co. Armagh, BT63 5YN
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 28 November 2025
- Previous names
- Jeff Blair Contruction Ltd (until 5 Dec 2016)
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Portadown
Other active roofing companies registered in Portadown.
All roofing companies in Portadown · All trades in Portadown · Roofers across the UK
Frequently asked questions
When are Jeff Blair Construction Ltd's accounts due?
Jeff Blair Construction Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Jeff Blair Construction Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Jeff Blair Construction Ltd still trading?
Jeff Blair Construction 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 Jeff Blair Construction Ltd do?
Jeff Blair Construction Ltd is registered under Roofing activities (SIC 43910).
How old is Jeff Blair Construction Ltd?
Jeff Blair Construction Ltd was incorporated on 29 November 2016, 9 years ago.
What is the penalty if Jeff Blair Construction 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 Jeff Blair Construction 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.