Builders
in Walton-on-Thames
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Why Choose Grand Innovations in Walton-on-Thames?
The council describes Walton-on-Thames as the largest town in Elmbridge, with suburbs built mostly across the twentieth century. Rydens has what may be the borough's largest concentration of bungalows and chalet-style houses. Ashley Park was laid out on the grounds of Ashley House, with half-acre plots sold from 1930, and is now a private estate of large detached houses. Hersham, which shares the KT12 postcode with Walton and Whiteley Village, has housing that runs from 1940s council-built estates to the private estate of Burwood Park.
A bungalow or chalet-style house in Rydens may gain space through a rear extension, typically 10 to 14 weeks to build, or through a dormer loft conversion of 6 to 10 weeks where the roof is tall enough. The 1940s houses in Hersham may suit a single-storey rear extension with a new kitchen, while large detached houses in Ashley Park, and some homes in Burwood Park, may have room for a double-storey or wrap-around extension, which runs to 16 to 24 weeks. An integral or attached garage offers another route, with a single conversion taking 3 to 5 weeks on site. Much of the housing has already been extended, the council's guide notes, so earlier additions are the starting point.
Applications are currently decided by Elmbridge Borough Council, and on 1 April 2027 the new East Surrey Council inherits that job. Its Design Code dates from April 2024, and householder applications must include its checklist. Four conservation areas sit within the KT12 postcode district: Walton (Church Street/Bridge Street), Walton (Riverside), Hersham Village and Whiteley Village, where most buildings are now statutory listed. Burwood Park is one of only three special low density residential areas in the borough, and Green Belt covers 57% of Elmbridge. Parts of the town near the Thames and the River Mole carry a flood risk, so the Environment Agency's flood map for planning is the place to check an address.
From our base in New Haw, one design-and-build team stays with you from the first drawings until the job is finished, managing the planning and building regulations applications along the way. Your first document from us is a free, itemised Cost Proposal. Three weeks before the start date we ask for a 10% deposit, and after that each weekly bill covers the work completed and signed off.
Property Styles
Neighbourhoods We Cover
- Hersham
- Ashley Park
- Burwood Park
- Rydens
- Old Walton
- Halfway
- Apps Court
- Whiteley Village
Our Core Services
- New Kitchens
Bespoke kitchen design and installation, creating functional, light-filled rooms planned around how you cook and live.
- Extensions
Expand your living space with bespoke single and double-storey extensions designed to complement your property's character.
- Loft Conversions
Unlock the hidden potential of your home by converting your loft into a new bedroom, office or studio, often without planning permission.
- Bathroom Renovations
Premium bathroom design and installation, from compact en-suites to spa-inspired master bathrooms and fully tanked wet rooms.
How far we are
4 miles
from our base in New Haw, measured in a straight line.
Planning in Walton-on-Thames
Homes in Walton-on-Thames fall under Elmbridge Borough Council (opens the council's website in a new tab). Its conservation areas here include Walton (Church Street/Bridge Street), Walton (Riverside), Hersham Village and Whiteley Village.
We confirm the route for your house (Permitted Development, prior approval or a planning application) before you commit.
Our nearest finished projects

Bathroom Renovation
Kingston Multi-Bathroom Renovation
Kingston, London · about 5 miles from Walton-on-Thames

Garage Conversion
Epsom Garage Conversion
Epsom, Surrey · about 7 miles from Walton-on-Thames

External Renovation
Putney Listed External Renovation
Putney, London · about 10 miles from Walton-on-Thames
Our Services in Walton-on-Thames
The services we offer in Walton-on-Thames. Each card links to our page for that service.
Area Insights
Transform your
Walton-on-Thames home.
Whether it's an extension or a full renovation in Walton-on-Thames, our team would like to hear about it. As a design-and-build company we take on a limited number of projects at a time, so that every one gets the attention it deserves.
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Site Visit
A free, professional assessment of your property.
Clear Pricing
An itemised, weekly valuation of your project.