House Extensions Moseley
HK Builders Ltd carries out house extension projects for homeowners across Moseley, and nearby areas including Kings Heath,…

Quick answer
HK Builders Ltd carries out house extension projects for homeowners across Moseley, and nearby areas including Kings Heath, Balsall Heath and Hall Green. We manage the drawings, planning, building regulations and construction, so you deal with one accountable team from start to finish. We are Federation of Master Builders members with over 20 years' experience.
Expand your living space with a bespoke house extension in Moseley
Few Birmingham suburbs have as mixed a housing stock as Moseley. Around the Green at St Mary's Row, Salisbury Road and Alcester Road — at the heart of the Moseley Conservation Area — you'll find mid-Victorian villas standing next to individual Arts and Crafts houses, three-storey Edwardian residences, modest former railway cottages and inter-war and post-war semis. No two streets are built the same way, which means no two extensions should be designed the same way either.
That's why we treat every Moseley property as its own project rather than a template. A villa with generous ceiling heights needs a different approach to roof pitch and proportion than a compact railway cottage or a 1930s semi, and we work that out with you at the consultation stage, alongside your budget and how you want to use the new space.
Because Moseley sits within Birmingham City Council's planning authority and much of the village core is a designated conservation area, we check what that means for your particular street before finalising a design. From there we manage planning permission, building regulations, construction and finishing as one team, using quality materials and experienced tradespeople throughout.
As an FMB-registered builder with over 20 years' experience, HK Builders Ltd aims to make that process straightforward, whatever style of Moseley home you're extending.
Extensions Designed for Your Lifestyle in Moseley
Because Moseley's architecture varies so much from one house to the next, we start by establishing what's actually achievable on your specific plot, whether that's a Victorian villa with room to extend at the rear, a terraced railway cottage where side access is tight, or an inter-war semi with a straightforward garden plot. The design decisions that work for one rarely transfer directly to another.
From there we think about how you'll use the space day to day, whether that's a kitchen built for entertaining, a quiet home office or room for a growing family, and we work through natural light, storage and how the new area connects to the garden. The goal is always the same: an extension that looks like it was part of the original build, not an addition stuck onto it.
A Smooth Build from Start to Finish
Village-feel streets close to the Green mean tighter access in places and more passing foot traffic than you'd get on a typical suburban cul-de-sac, so we plan deliveries and site logistics with that in mind. Our team coordinates the trades, sources the materials and checks the structural work against building regulations as the project progresses rather than leaving it until the end.
You'll have a single point of contact and regular updates throughout, so you always know where the project stands. Once complete, you're left with a Moseley extension that adds genuine living space and value, built to sit comfortably alongside whichever architectural style your home started with.
Yes. HK Builders Ltd carries out single and double-storey house extensions for homeowners in Moseley, including rear, side and wrap-around extensions. As an FMB-registered builder with over 20 years' experience, we manage the project from design through to completion and offer a free, no-obligation quote.
Many single-storey rear extensions fall within permitted development rights and don't need full planning permission, provided they stay within set size and height limits — though a Lawful Development Certificate is still worth obtaining for your records. Larger extensions, side extensions, two-storey additions, and work on listed buildings or in conservation areas usually do require planning permission. Building regulations approval is needed for the structural work in either case. We can advise what applies to your Moseley property before you commit to a design.
A single-storey extension typically takes around 3 to 4 months from groundworks to completion, while a two-storey extension or a more complex build can take 6 months or longer. Timelines depend on the size of the extension, ground conditions, weather, and how much structural and services work is involved. We'll set out a realistic programme for your Moseley project as part of the quote.
There will be some disruption, particularly during groundworks and when connecting into the existing structure, but we plan projects to keep access, noise and mess to a minimum wherever possible and keep you updated throughout. We're happy to talk through what to expect for your specific Moseley extension before work begins.











