- Companies
- Installers
- Welwyn Garden City
- Build on Time Limited
Build on Time Limited
- Company number
- 07372820
- Incorporated
- 10 Sep 201016 years trading
- Registered office
- 44 Middlefield, Welwyn Garden City, AL7 4DJ
- Nature of business
- Other construction installation; Other building completion and finishing
Build on Time Limited is a 16-year-old private limited company registered in Welwyn Garden City, company number 07372820, one of 19 installation companies (insulation, lifts, shutters and similar) in Welwyn Garden City. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 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 £13K (-26%) on the year before, to £36K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- 2 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £36K | £8,948 | £0 | 2 | |
| 31 Mar 2024 | £49K | £54 | £3,800 | 2 | |
| 30 Mar 2023 | £49K | £169 | £3,915 | 2 | |
| 31 Mar 2022 | £21K | £24K | 2 | ||
| 31 Mar 2021 | £8,528 | £39K | £0 | 2 | |
| 31 Mar 2020 | £977 | £7,046 | £6,919 | 2 | |
| 31 Mar 2019 | £271 | £3,742 | £3,496 | ||
| 31 Mar 2018 | £263 | £1,092 | £829 | ||
| 31 Mar 2017 | £191 | £2,162 | £1,971 | ||
| 31 Mar 2016 | £106 | £1,506 | £1,400 |
Where Build on Time Limited is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 4DJ on a map.
Other trade companies in AL7
- Mechanicalwise LtdInstallers
- Azalea Services LimitedSpecialist contractors
- Malmech and Mannion LimitedMechanics and garages
- T&D Construction Group LtdFinishing trades
- Vertec Roofing and Building LtdRoofers
- Selectlane LtdMotor traders
- Af Pressure Washing LtdCleaning companies
- Jet Professional LtdCleaning companies
What happens if Build on Time 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 07372820
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 September 2010 (16 years ago)
- Registered office
- 44 Middlefield, Welwyn Garden City, AL7 4DJ
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 September 2026
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 Welwyn Garden City
Other active installation companies (insulation, lifts, shutters and similar) registered in Welwyn Garden City.
- Cdi Drylining Limited2022
- Coletta Doors Solutions Limited2011
- DJJ Resources Ltd2024
- Drapers Blinds Limited2016
- G & B Project Solutions Limited2025
- Havenwood Lodge Ltd2026
- Loui Gas Services Ltd2026
- M&H Utilities (Al) Ltd2017
All installation companies (insulation, lifts, shutters and similar) in Welwyn Garden City · All trades in Welwyn Garden City · Installers across the UK
Frequently asked questions
When are Build on Time Limited's accounts due?
Build on Time Limited's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Build on Time Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Build on Time Limited still trading?
Build on Time Limited is listed as active on the Companies House register (checked 12 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 Build on Time Limited do?
Build on Time Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Build on Time Limited?
Build on Time Limited was incorporated on 10 September 2010, 16 years ago.
What is the penalty if Build on Time 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 Build on Time Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.