- Companies
- Civil engineering
- Design Core UK Ltd
Design Core UK Ltd
- Company number
- 06112486
- Incorporated
- 16 Feb 200719 years trading
- Registered office
- The Granary, Brewer Street, Bletchingley, Surrey, RH1 4QP
- Nature of business
- Construction of other civil engineering projects n.e.c.
Design Core UK Ltd is a 19-year-old private limited company registered in Bletchingley, company number 06112486, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £5,149 (+338.5%) on the year before, to £6,670.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £79K against £72K owed within a year: 1.1 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £6,670 | £20K | £79K | £72K | 2 |
| 31 Mar 2024 | £1,521 | £0 | £115K | £105K | 3 |
| 31 Mar 2023 | £13K | £25K | £77K | £48K | 4 |
| 31 Mar 2022 | £91K | £54K | £143K | £25K | 3 |
| 31 Mar 2021 | £190K | £848 | £309K | £119K | 0 |
| 31 Mar 2020 | £190K | £19K | £442K | £252K | 3 |
| 31 Mar 2019 | £190K | £93K | £434K | £243K | 3 |
| 31 Mar 2018 | £203K | £0 | £343K | £141K | 3 |
| 31 Mar 2017 | £195K | £3,206 | £328K | £135K | 2 |
| 31 Mar 2016 | £194K | £12K | £297K | £134K |
Where Design Core UK Ltd is registered
The registered office is in Bletchingley (RH1), in the Tandridge local authority area, South East. Show RH1 4QP on a map.
Other trade companies in RH1
- Willows Property Services LtdCleaning companies
- Rustic Civil LtdBuilders
- Redmeres LtdInstallers
- CTC Maintenance Services LtdPainters and decorators
- Mercury Mechanical LimitedElectricians
- Gotoroofingandguttering LtdRoofers
- Fine Cut Carpentry and Construction LimitedInstallers
- Sixes Carpentry LimitedJoiners and carpenters
Also registered at this address
13 other companies use the same registered office as Design Core UK Ltd.
- Alpena Ventures LimitedProperty developers
- Annabie Construction LimitedBuilders
- Annabie Developments LtdProperty developers
- Design Core Construction LimitedInstallers
- Dovecorn Reversions LimitedProperty developers
- Kendale Property Investments LimitedProperty developers
- Lets Refresh LtdFinishing trades
- Lichfield Walsall LimitedProperty developers
- M G Autos LimitedMechanics and garages
- Rainbow Property Maintenance LtdFinishing trades
- Sir Alexander Road Developments LimitedProperty developers
- Surrey Breakdown LimitedMechanics and garages
- Surrey Garage LimitedMechanics and garages
What happens if Design Core UK 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 06112486
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2007 (19 years ago)
- Registered office
- The Granary, Brewer Street, Bletchingley, Surrey, RH1 4QP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 16 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
Frequently asked questions
When are Design Core UK Ltd's accounts due?
Design Core UK Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Design Core UK Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Design Core UK Ltd still trading?
Design Core UK 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 Design Core UK Ltd do?
Design Core UK Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Design Core UK Ltd?
Design Core UK Ltd was incorporated on 16 February 2007, 19 years ago.
What is the penalty if Design Core UK 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 Design Core UK 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.