- Companies
- Finishing trades
- Reigate
- Mainline Construction Limited
Mainline Construction Limited
- Company number
- 03419054
- Incorporated
- 13 Aug 199729 years trading
- Registered office
- The Old Wheel House, 31/37 Church Street, Reigate, Surrey, RH2 0AD
- Nature of business
- Other building completion and finishing
Mainline Construction Limited is a 29-year-old private limited company registered in Reigate, company number 03419054, one of 19 building finishing companies in Reigate. Its next accounts are due at Companies House on 28 May 2027, and the CT600 for the period to 28 August 2026 is due at HMRC on 28 August 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 £7,129 (+2%) on the year before, to £357K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £357K | £3,435 | £9,196 | 0 | |
| 31 Aug 2024 | £350K | £12K | £4,943 | 0 | |
| 31 Aug 2023 | £346K | £13K | £22K | ||
| 30 Aug 2023 | £346K | £13K | £13K | £430K | 1 |
| 30 Aug 2022 | £345K | £20K | £466K | £428K | 1 |
| 30 Aug 2021 | £352K | £21K | £413K | £370K | 1 |
| 30 Aug 2020 | £350K | £12K | £393K | £353K | 1 |
| 30 Aug 2019 | £356K | £14K | £378K | £331K | |
| 30 Aug 2018 | £362K | £15K | £379K | £327K | |
| 30 Aug 2017 | £369K | £4,461 | £78K | £20K |
Where Mainline Construction Limited is registered
The registered office is in Reigate (RH2), in the Reigate and Banstead local authority area, South East. Show RH2 0AD on a map.
Other trade companies in RH2
- Bincredible Services LimitedCleaning companies
- LK01 LtdMotor traders
- Daimaks LtdElectricians
- Aervex Mechanical LtdPlumbers and heating engineers
- T6 Roofing LtdBuilders
- Allsop Construction Works LtdProperty developers
- CMK Labour LtdBuilders
- Suppression and Passive Fire Protection LtdPlumbers and heating engineers
Also registered at this address
16 other companies use the same registered office as Mainline Construction Limited.
- 1ST Direct Drainage LimitedSpecialist contractors
- 210 Brooklands LtdMotor traders
- Bars Contractors Southern LtdBuilders
- Car Body Solutions LimitedMechanics and garages
- District Cleaning Services LimitedCleaning companies
- Duaris LimitedCivil engineering
- JLN Flooring LtdFloor and wall tilers
- Knightford Homes LimitedProperty developers
- London Commercial Properties LimitedProperty developers
- London Investment Holdings LimitedProperty developers
- Marcus Knightley Technical LimitedSpecialist contractors
- Oliver Middleton Fencing LtdInstallers
- RJM Groundworks LtdSpecialist contractors
- Shell Design & Construction LtdBuilders
- Tiver Construction LimitedProperty developers
- Walton Manor Estates LtdProperty developers
What happens if Mainline Construction 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 28 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 May 2027 to 28 Jun 2027 | £150 |
| 1 to 3 months late | 29 Jun 2027 to 28 Aug 2027 | £375 |
| 3 to 6 months late | 29 Aug 2027 to 28 Nov 2027 | £750 |
| More than 6 months late | From 29 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Aug 2027 | £200 |
| 3 months late | 28 Nov 2027 | another £200 |
| 6 months late | 28 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Aug 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
- 03419054
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 August 1997 (29 years ago)
- Registered office
- The Old Wheel House, 31/37 Church Street, Reigate, Surrey, RH2 0AD
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 28 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 9 August 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Reigate
Other active building finishing companies registered in Reigate.
- Panda Projects Surrey Ltd2025
- Ping An Solutions Ltd2023
- Refurb Services Southern Limited2012
- Renonest Projects Ltd2025
- S.W.Brooks & Co.Limited1960
- SZ Brickwork Ltd2021
- Ardent Contracts Limited2019
- Ballen Homes Ltd2011
All building finishing companies in Reigate · All trades in Reigate · Finishing trades across the UK
Frequently asked questions
When are Mainline Construction Limited's accounts due?
Mainline Construction Limited's next accounts are due at Companies House by 28 May 2027 (in 227 days), covering the period to 28 August 2026.
When is Mainline Construction Limited's CT600 due?
The CT600 for the period to 28 August 2026 is due at HMRC by 28 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 May 2027.
Is Mainline Construction Limited still trading?
Mainline Construction 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 Mainline Construction Limited do?
Mainline Construction Limited is registered under Other building completion and finishing (SIC 43390).
How old is Mainline Construction Limited?
Mainline Construction Limited was incorporated on 13 August 1997, 29 years ago.
What is the penalty if Mainline Construction 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 Mainline Construction 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.