- Companies
- Installers
- Bicester
- Gildon Construction Ltd
Gildon Construction Ltd
- Company number
- 12297282
- Incorporated
- 4 Nov 20196 years trading
- Registered office
- 23 Ashdene Road, Bicester, OX26 2BH
- Nature of business
- Other construction installation
Gildon Construction Ltd is a 6-year-old private limited company registered in Bicester, company number 12297282, one of 24 installation companies (insulation, lifts, shutters and similar) in Bicester. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £67K (-11.9%) on the year before, to £491K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £427K against £25K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £491K | £427K | £25K | 2 | |
| 31 Mar 2025 | £557K | £485K | £71K | 2 | |
| 31 Mar 2024 | £497K | £560K | £160K | 2 | |
| 31 Mar 2023 | £362K | £446K | £454K | £100K | 2 |
| 31 Mar 2022 | £157K | £313K | £104K | 2 | |
| 31 Mar 2021 | £4 | £18K | £33K | 2 |
Where Gildon Construction Ltd is registered
The registered office is in Bicester (OX26), in the Cherwell local authority area, South East. Show OX26 2BH on a map.
Other trade companies in OX26
- SR Agri LtdMachinery repair and installation
- Gal Construct LtdBuilders
- Journey Motorworks LtdMotor traders
- JCD Electrical Solutions LtdElectricians
- Woodlands Farmhouse LtdProperty developers
- Chrisodel Holdings LtdProperty developers
- G Tree Surgery LtdLandscapers and gardeners
- JCC Fire & Security LtdSpecialist contractors
What happens if Gildon 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 12297282
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2019 (6 years ago)
- Registered office
- 23 Ashdene Road, Bicester, OX26 2BH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 November 2025
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 Bicester
Other active installation companies (insulation, lifts, shutters and similar) registered in Bicester.
- Holloway Kitchens & Bathrooms Ltd2025
- Lift Solutions Limited2015
- O'Connor & Sons Ltd2024
- Powersun Limited2010
- RT Construction Services Ltd2018
- S2 Construction Limited2013
- Safeguard Secure Solutions Ltd2010
- Seagreen Contracts Ltd2012
All installation companies (insulation, lifts, shutters and similar) in Bicester · All trades in Bicester · Installers across the UK
Frequently asked questions
When are Gildon Construction Ltd's accounts due?
Gildon Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Gildon Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Gildon Construction Ltd still trading?
Gildon 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 Gildon Construction Ltd do?
Gildon Construction Ltd is registered under Other construction installation (SIC 43290).
How old is Gildon Construction Ltd?
Gildon Construction Ltd was incorporated on 4 November 2019, 6 years ago.
What is the penalty if Gildon 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 Gildon 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.