
Large extension Hadley Wood
A fantastic addition to this house on a steep plot, this kitchen/living area extension has added great height &...
G.S. Walker Building Ltd · Company 03753237 · Trading heritage since 1982
Active, accounts up to date·main contractor & developer·Head office Hertfordshire
GS Walker Building is a family-run company with a strong reputation for quality workmanship and service, established in 1982. They specialise in medium to large domestic building projects, including new homes, extensions, renovations, and landscaping, primarily serving clients within a 20-mile radius of Hemel Hempstead in Hertfordshire, Bedfordshire, and Buckinghamshire. With over 40 years of experience, GS Walker works closely with homeowners, developers, and surveyors, offering expertise in design, project management, building regulations, and local authority matters.
They pride themselves on delivering exceptional building work, from bespoke new homes to smaller projects, supported by a team of highly skilled tradesmen and trusted contractors. The company emphasizes a commitment to high standards, with dedicated site managers, regular progress updates, and staged payments. They ensure works are carried out by skilled craftsmen, maintain tidy work areas, and prioritize health and safety.
As NHBC registered builders, their new homes comply with the latest regulations and come with a 10-year warranty.

A fantastic addition to this house on a steep plot, this kitchen/living area extension has added great height &...
Although a lovely property to begin with we carried out a complete roof lift to one wing adding nearly a meter to the height making 2 further bedrooms & en-suite...
An extremely challenging project to a home dating back several hundred years which needed a lot of TLC along with sympathetic repairs, updating & underpinning. too much to describe but...
Hemel Hempstead
The Box Moor Trust Visitor & Heritage centre is now completed in Hemel Hempstead. The new property replaces a listed building destroyed by a lightning strike some years previous. ...
Client · The Box Moor Trust
This profile was compiled from public records. Claim it to add the things buyers ask for:
Family-run building company in Hertfordshire specialising in house extensions, renovations and landscaping. Established 1982. Their listed services include House builder, Refurbishment, Extensions, Landscaping and Design & build.
G.S. Walker Building Ltd is registered at 56a London Road, Apsley, Hemel Hempstead, Hertfordshire, HP3 9SB, in South East.
G.S. Walker Building Ltd states that it works across Hertfordshire, Bedfordshire and Buckinghamshire.
Accounts filed for the year to 2025 report 4 employees, which places the company in the 1-9 employees band.
G.S. Walker Building Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount in its filed accounts, turnover is likely to fall between £290k and £770k. This is an estimate, not a filed figure.
Companies House lists G.S. Walker Building Ltd as active, with accounts most recently made up to 2025-03-31.
G.S. Walker Building Ltd displays NHBC on its website.
G.S. Walker Building Ltd works in Residential.
G.S. Walker Building Ltd was incorporated on 1999-04-15, though the company says it has traded since 1982.
Planyard keeps budgets, committed costs and variations live, so the figure in front of you is today's rather than last month's.