- Companies
- Specialist contractors
- Southend on Sea
- Concept Design Build Maintain Limited
Concept Design Build Maintain Limited
- Company number
- 04428320
- Incorporated
- 30 Apr 200224 years trading
- Registered office
- Victoria House, 50 Alexandra Street, Southend on Sea, Essex, SS1 1BN
- Nature of business
- Other specialised construction activities n.e.c.
Concept Design Build Maintain Limited is a 24-year-old private limited company registered in Southend on Sea, company number 04428320, one of 21 specialist construction companies in Southend on Sea. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £120K (-8.2%) on the year before, to £1.3M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.4M against £383K owed within a year: 3.7 times cover.
- 13 employees on average during the year.
- 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 Apr 2025 | £1.3M | £528K | £1.4M | £383K | 13 |
| 30 Apr 2024 | £1.5M | £699K | £1.7M | £568K | 13 |
| 30 Apr 2023 | £1.4M | £2M | £2.8M | £1.7M | 12 |
| 30 Apr 2022 | £1.3M | £3.6M | £3.9M | £2.9M | 13 |
| 30 Apr 2021 | £911K | £2.1M | £2.2M | £1.6M | 13 |
| 30 Apr 2020 | £506K | £1.5M | £1.5M | £915K | 14 |
| 30 Apr 2019 | £161K | £529K | £1.1M | £758K | 13 |
| 30 Apr 2018 | £924K | £306K | £1.3M | £748K | 13 |
| 30 Apr 2017 | £723K | £724K | £1M | £579K | 13 |
| 30 Apr 2016 | £677K | £520K | £1.1M | £681K |
Where Concept Design Build Maintain Limited is registered
The registered office is in Southend on Sea (SS1), in the Southend-on-Sea local authority area, East of England. Show SS1 1BN on a map.
Other trade companies in SS1
- Coastal Property Partners LtdProperty developers
- Blue Label LtdProperty developers
- Keyfast Locksmiths LtdMechanics and garages
- Flourishing Horticulture LimitedLandscapers and gardeners
- S&B Electrical Group LimitedElectricians
- Cukris Joinery LtdJoiners and carpenters
- Tread & Co. Tyres LtdMotor traders
- Faiton LimitedMotor traders
Also registered at this address
13 other companies use the same registered office as Concept Design Build Maintain Limited.
- Bandell Electrical LimitedElectricians
- Barreau Electrical LimitedElectricians
- Bwoc Developments LimitedProperty developers
- Classic Fuel Injection LimitedMotor traders
- Concept Interiors Maintenance LtdFacilities management
- Concept Motors LimitedMechanics and garages
- Grant Sims Signs LimitedSpecialist contractors
- Hedges Demo LtdGroundworks and demolition
- I.B.S. Electrical LimitedElectricians
- Jesko Consulting LtdCivil engineering
- Jewellery Repairs UK LimitedRepair services
- Mayday Cleaners LimitedCleaning companies
- Millennium Homes (Eastern) LimitedBuilders
What happens if Concept Design Build Maintain Limited 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 04428320
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2002 (24 years ago)
- Registered office
- Victoria House, 50 Alexandra Street, Southend on Sea, Essex, SS1 1BN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 30 April 2026
- Charges (mortgages)
- 0 outstanding of 3 registered
- Previous names
- Concept Interiors Management Limited (until 10 Oct 2025)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Southend on Sea
Other active specialist construction companies registered in Southend on Sea.
- Drurycourt Limited1981
- Gatfire Ltd2009
- Jar Health & Safety Limited2023
- Kitchens by Design UK Limited2005
- M-Con Construction Recruitment Ltd2024
- M.C.Brickwork Limited1999
- Meridian Electrical (Services) Limited1991
- Opensite Contracts Limited1992
All specialist construction companies in Southend on Sea · All trades in Southend on Sea · Specialist contractors across the UK
Frequently asked questions
When are Concept Design Build Maintain Limited's accounts due?
Concept Design Build Maintain Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Concept Design Build Maintain Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Concept Design Build Maintain Limited still trading?
Concept Design Build Maintain Limited 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 Concept Design Build Maintain Limited do?
Concept Design Build Maintain Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Concept Design Build Maintain Limited?
Concept Design Build Maintain Limited was incorporated on 30 April 2002, 24 years ago.
What is the penalty if Concept Design Build Maintain Limited 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 Concept Design Build Maintain Limited 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.