- Companies
- Installers
- Boston
- Relex Building Ltd
Relex Building Ltd
- Company number
- 14549882
- Incorporated
- 19 Dec 20223 years trading
- Registered office
- 29 Laughton Road, Boston, PE21 8LR
- Nature of business
- Other construction installation
Relex Building Ltd is a 3-year-old private limited company registered in Boston, company number 14549882, one of 16 installation companies (insulation, lifts, shutters and similar) in Boston. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £943 (-85%) on the year before, to £167.
- Current assets of £62 against £20K owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £167 | £62 | £20K | 1 | |
| 31 Dec 2024 | £1,110 | £242 | £11K | 1 | |
| 31 Dec 2023 | £790 | £44 | £3,012 | 1 |
Where Relex Building Ltd is registered
The registered office is in Boston (PE21), in the Boston local authority area, East Midlands. Show PE21 8LR on a map.
Other trade companies in PE21
- Ciu Roofing LimitedRoofers
- Composite Aircraft Engineering LtdMachinery repair and installation
- Marshlands LtdPlumbers and heating engineers
- Bull Property Solutions LtdSpecialist contractors
- Victoria and Victor LtdBuilders
- One Call Services (Boston) LtdJoiners and carpenters
- Project Levo LtdProperty developers
- VJ Select LimitedMotor traders
Also registered at this address
7 other companies use the same registered office as Relex Building Ltd.
- Aaelco Services LtdPlasterers
- Benjonson LtdPlasterers
- MD87 Services LtdInstallers
- MK76 Services LtdInstallers
- Rangar LimitedFinishing trades
- Ssservises LimitedPlasterers
- Yks Services LtdPlasterers
What happens if Relex Building 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 14549882
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2022 (3 years ago)
- Registered office
- 29 Laughton Road, Boston, PE21 8LR
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 December 2025
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 Boston
Other active installation companies (insulation, lifts, shutters and similar) registered in Boston.
- RF Refurbishments Limited2012
- Southfield Windows & Doors Limited2018
- Steve Hodgson Services Limited2016
- UK Mge Limited2021
- Apex Plastics Ltd2025
- Ecoflow Ltd2018
- Harrison Groundworks & Civils Ltd2019
- JK Burch Construction Ltd2013
All installation companies (insulation, lifts, shutters and similar) in Boston · All trades in Boston · Installers across the UK
Frequently asked questions
When are Relex Building Ltd's accounts due?
Relex Building Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Relex Building Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Relex Building Ltd still trading?
Relex Building Ltd is listed as active on the Companies House register (checked 13 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 Relex Building Ltd do?
Relex Building Ltd is registered under Other construction installation (SIC 43290).
How old is Relex Building Ltd?
Relex Building Ltd was incorporated on 19 December 2022, 3 years ago.
What is the penalty if Relex Building 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 Relex Building Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.