- Company number
- 05121985
- Incorporated
- 7 May 200422 years trading
- Registered office
- Prospect House 1 Prospect Place, Millennium Way, Pride Park, Derby, DE24 8HG
- Nature of business
- Construction of domestic buildings
Keller Construction Ltd is a 22-year-old private limited company registered in Derby, company number 05121985, one of 353 building contractors in Derby. 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 £1.5M (-52.5%) on the year before, to £1.3M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3.2M against £1.3M owed within a year: 2.4 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1.3M | £231K | £3.2M | £1.3M | 0 |
| 31 Mar 2024 | £2.8M | £641K | £7M | £3.4M | 7 |
| 31 Mar 2023 | £2.6M | £451K | £3.9M | £1.3M | 7 |
| 31 Mar 2022 | £2.1M | £652K | £2.4M | £474K | 7 |
| 31 Mar 2021 | £1.7M | £399K | £2M | £585K | 7 |
| 30 Nov 2019 | £1.4M | £520K | £1.7M | £474K | 8 |
| 30 Nov 2018 | £1.4M | £668K | £1.4M | £249K | 8 |
| 30 Nov 2017 | £1.1M | £183K | £1.3M | £343K | 5 |
| 30 Nov 2016 | £941K | £439K | £1.2M | £321K | |
| 30 Nov 2015 | £619K | £282K | £872K | £345K |
Public contracts won
Keller Construction Ltd has one public sector contract award on record; the ones with their own published value total £644K (2018). 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.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Castle Donington Parish Council | Conversion of hotel to Community Hub | £644K | 7 Mar 2018 |
Where Keller Construction Ltd is registered
The registered office is in Derby (DE24), in the Derby local authority area, East Midlands. Show DE24 8HG on a map.
Other trade companies in DE24
- Gill Construction Derby LtdBuilders
- Apollo Maintenance Group LtdFacilities management
- DQ Mechanical LtdCivil engineering
- Henmore Engineering LimitedMotor traders
- The Family on Call Group LtdCleaning companies
- A&G Quality Home Improvement LimitedBuilders
- A1 Plus Mechanic LtdMotor traders
- Castle Design & Build LtdBuilders
Also registered at this address
1 other company uses the same registered office as Keller Construction Ltd.
- M C C Properties Newcastle LimitedProperty developers
What happens if Keller 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
- 05121985
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2004 (22 years ago)
- Registered office
- Prospect House 1 Prospect Place, Millennium Way, Pride Park, Derby, DE24 8HG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 March 2026
- Charges (mortgages)
- 0 outstanding of 8 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 Derby
Other active building contractors registered in Derby.
- Kenway Structures Ltd2024
- Keylaw Holdings Ltd2025
- Khan Builders Midland Ltd2019
- KHM Developments Limited2022
- King Construction (Derby) Limited2001
- Kingfisher Construction Services Holdings (Derby) Limited2019
- Kingfisher Construction Services Limited1983
- Kings Newton Design and Construction Limited2008
All building contractors in Derby · All trades in Derby · Builders across the UK
Frequently asked questions
When are Keller Construction Ltd's accounts due?
Keller 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 Keller 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 Keller Construction Ltd still trading?
Keller 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 Keller Construction Ltd do?
Keller Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Keller Construction Ltd?
Keller Construction Ltd was incorporated on 7 May 2004, 22 years ago.
Has Keller Construction Ltd won public sector contracts?
Yes. Keller Construction Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £644K), most recently from CASTLE DONINGTON PARISH COUNCIL.
What is the penalty if Keller 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 Keller 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.