- Company number
- 05548578
- Incorporated
- 30 Aug 200521 years trading
- Registered office
- 25 Park Street West, Luton, Bedfordshire, LU1 3BE
- Nature of business
- Construction of domestic buildings
J & C Flanagan Construction Ltd is a 21-year-old private limited company registered in Luton, company number 05548578, one of 708 building contractors in Luton. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where J & C Flanagan Construction Ltd is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 3BE on a map.
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Also registered at this address
19 other companies use the same registered office as J & C Flanagan Construction Ltd.
- Asj Electrical LimitedElectricians
- Beila Homes LtdBuilders
- Chiltern Doors & Windows LimitedProperty developers
- Crompton Joinery LimitedJoiners and carpenters
- Fabron Hydraulics LimitedSpecialist contractors
- Fehr Brothers LimitedMotor traders
- Floorscreed LimitedFloor and wall tilers
- J & P Properties (UK) LimitedProperty developers
- Kelly's Construction (Luton) LtdFinishing trades
- Luton MOT & Servicing Centre LtdMechanics and garages
- P D Plastering LimitedPlasterers
- Pisko's Kitchens & Bedrooms LimitedJoiners and carpenters
- S & J Electrical LimitedElectricians
- SDL (Sundon) LimitedFinishing trades
- SDL Drylining LimitedFinishing trades
- Stanford Plastering LimitedPlasterers
- The Window Fitters & Fixers LtdProperty developers
- Todhunter Property LimitedFinishing trades
- Weststar Services LtdCivil engineering
What happens if J & C Flanagan 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 05548578
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 August 2005 (21 years ago)
- Registered office
- 25 Park Street West, Luton, Bedfordshire, LU1 3BE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 30 August 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Luton
Other active building contractors registered in Luton.
- J E R Developments Limited2001
- J&C Building & Maintenance Ltd2026
- J&C Drylining Limited2021
- J&M Chhina Limited2024
- Jagir Builder Ltd2022
- Janda Construction Services Ltd2026
- Jarmanjit Singh Ltd2026
- Jaro Construction Ltd2009
All building contractors in Luton · All trades in Luton · Builders across the UK
Frequently asked questions
When are J & C Flanagan Construction Ltd's accounts due?
J & C Flanagan Construction Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is J & C Flanagan Construction Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is J & C Flanagan Construction Ltd still trading?
J & C Flanagan 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 J & C Flanagan Construction Ltd do?
J & C Flanagan Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is J & C Flanagan Construction Ltd?
J & C Flanagan Construction Ltd was incorporated on 30 August 2005, 21 years ago.
What is the penalty if J & C Flanagan 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 J & C Flanagan 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.