Skip links

Builders in Hampton: Loft Conversions, Extensions & Renovations

Looking for a builder in Hampton? Crest Projects designs and builds loft conversions, house extensions and renovations for Hampton Village, Hampton Hill and Hampton Court, and we have recently completed a renovation in Hampton itself.

  • Over 20 years of experience
  • Design, approvals and build under one team
  • Written, itemised estimates
Kitchen extension with rooflights and exposed brick by Crest Projects, builders serving Hampton

Who are the best builders in Hampton for loft conversions and extensions?

Crest Projects is a West London building company that carries out loft conversions, house extensions and full renovations for homeowners in Hampton TW12. We manage design, Richmond Council approvals, Party Wall notices and the build under one team, with over 20 years of experience. Call 020 8088 8281 to arrange a site visit and written estimate.

Updated October 2026

Loft conversion builders in Hampton

Hampton is a quiet, family-focused part of south-west London, close to Bushy Park and Hampton Court. Many owners prefer to extend rather than move, and a loft conversion is often the most economical way to gain a bedroom. Our loft conversion builders in Hampton design the layout, handle the structural calculations and approvals, and build to Building Regulations. We check conservation area rules at the start, because Hampton Village, Hampton Hill High Street and Hampton Court all have designated areas.

Types of loft conversion in Hampton

In Hampton, rear dormers suit the Victorian cottages and Edwardian terraces, while hip-to-gable and rear dormer combinations suit the many interwar semis. Rooflight-only conversions can work for lofts with good height, and mansards are very uncommon in this part of the borough.

Illustration of a house with rooflight (Velux) loft conversion windows set into the existing roof

Rooflight (Velux) conversions

Roof windows added without changing the roof shape.

Illustration of a house with a rear dormer loft conversion

Rear dormer loft conversions

Full-height space at the back of the roof.

Illustration of a house with a hip-to-gable loft conversion

Hip-to-gable loft conversions

Straightens a sloping side roof for a larger room.

Illustration of a house with a mansard loft conversion

Mansard loft conversions

Steep-sided, flat-roofed. Needs planning permission.

Loft conversions by property type

Illustration of a terraced house, a common property type for loft conversions

Terraced houses

Victorian and Edwardian terraces in Hampton Hill and Hampton Village suit rear dormers. A Party Wall notice is normally needed, and roof changes near conservation areas need extra care.

Illustration of a semi-detached house, a common property type for loft conversions

Semi-detached houses

Interwar and Edwardian semis across Hampton, Fulwell and Hanworth are good candidates for a hip-to-gable and rear dormer combination that adds a full storey.

Illustration of a detached house, a property type suited to larger loft conversions

Detached houses

Detached houses around Hampton Court and Hampton Wick have scope for larger dormers, though conservation area and tree rules can apply.

Is your Hampton loft suitable for conversion?

  • Roof structure: original cut roofs convert more easily than modern trussed roofs.
  • Head height: around 2.2 metres from floor to ridge is the usual starting point.
  • Conservation area: check whether your street is in Hampton Village, Hampton Hill High Street or the Hampton Court areas.
  • Existing work: earlier dormers or extensions may already use some of your permitted development allowance.

See our loft conversion service

House extension builders in Hampton

Hampton's plots are often a good size, which gives plenty of scope for rear and side extensions. Our house extension builders in Hampton build single-storey rear, side-return and wraparound extensions, taking care of foundations, steelwork, roofing and glazing, with careful design where a house sits in a conservation area.

Renovated terraced house and rear garden in Hampton, West London
Renovation, Hampton
Rear extension with glazed doors to a landscaped garden in Hanwell, West London
Rear extension, Hanwell
Open-plan extension with rooflights and sliding doors to the garden
Open-plan extension with rooflights

Hampton sits close to the Thames, so we check Environment Agency flood maps and ground conditions at the start. We also plan deliveries and skips around its residential roads and the busy approach to Hampton Court.

See our house extension service

Home renovation and refurbishment in Hampton

Hampton has many family homes that are ready for rewiring, replumbing and a new layout. We carry out whole-house renovations and individual kitchens and bathrooms, coordinating all trades under one team. We have recently completed a renovation in Hampton, so we know the area's housing well.

Renovated terraced house and rear garden in Hampton, West London
Renovation, Hampton
Renovated open-plan kitchen and dining space with herringbone floor and rooflights
Kitchen and dining renovation
Kitchen extension with rooflights, exposed brick and white shaker units
Kitchen extension with rooflights
  • Full house renovation: strip-out, structural changes, services and finishes managed as one project. House renovation
  • Kitchen renovation: layout changes, new services, fitting and finishing. Kitchen renovation
  • Bathroom renovation: waterproofing, tiling, plumbing and fitting. Bathroom renovation

Why Hampton homes need an experienced local builder

Hampton's housing is a mixture of Victorian cottages and terraces around Hampton Village and Hampton Hill, Edwardian houses, and interwar semis spreading towards Fulwell and Hanworth. Closer to the river, Hampton Court and Hampton Wick have older and often larger properties.

Richmond Council has designated several conservation areas here. Hampton Village (Conservation Area 12) was designated in 1969 and extended in 1982, 1991 and 2023. Hampton Hill High Street (Conservation Area 38) dates from 1982, and Hampton Court Green and Hampton Court Park are separate designated areas.

Because Hampton is in the London Borough of Richmond upon Thames, trees, heritage and views matter. We bring experience of how the council assesses applications, which keeps your project on track.

Hampton's housing changes quickly from the compact Victorian cottages around the village to the more spacious interwar streets further out. We have recently completed a renovation in Hampton, which gave us a close look at how these older homes behave once the plaster comes off, and we apply that experience to new projects here.

Renovated terraced house and rear garden in Hampton, West London
Renovation, Hampton

Do you need planning permission to build in Hampton?

Many loft conversions and single-storey rear extensions in Hampton can go ahead under permitted development, but conservation areas restrict those rights. Use the table as a guide and confirm your address with Richmond Council.

Planning and permitted development guide for common building projects in Hampton
ProjectPermitted developmentPlanning permission needed
Loft conversion (rear dormer)Often yes, within volume limits (40 m³ terraced, 50 m³ semi-detached or detached)Yes, in conservation areas such as Hampton Village, or if limits are exceeded
Single-storey rear extensionOften yes, up to 3 m (terraced or semi) or 4 m (detached), or 6 m / 8 m through prior approvalYes, if larger, in a conservation area, or if height and materials rules are exceeded
Side-return extensionSometimes, if single storey and within width and height limitsOften yes, especially in conservation areas or where it wraps around the rear
Kitchen or bathroom renovationYes, internal work does not need planningNo, though Building Regulations apply and a listed-building check may be needed

General guidance only. Rules depend on your property, location and any Article 4 direction. We check this for you before design starts.

Which project suits your Hampton home?

Hampton's housing mix shapes which projects work best. Use this as a starting point, and we will confirm after a site visit.

Popular building projects by property type in Hampton
Property typeWhere you find itPopular projects
Victorian cottage and terraceHampton Village, Hampton HillRear dormer loft, side-return extension, kitchen refit
Edwardian houseHampton Hill, Hampton Village fringeLoft conversion, rear extension, whole-house renovation
Interwar semi-detached houseFulwell, Hanworth, HamptonHip-to-gable loft, rear extension, kitchen and bathroom refits
Period and riverside propertyHampton Court, Hampton WickSensitive renovation, flood-aware extension

Building in a Hampton conservation area

Richmond Council has designated several conservation areas in and around Hampton. Always check your address before ordering drawings.

  • Hampton Village (Conservation Area 12) was designated in 1969 and extended in 1982, 1991 and 2023, with an appraisal adopted in November 2023.
  • Hampton Hill High Street (Conservation Area 38) was designated in 1982 and has its own appraisal.
  • Hampton Court Green and Hampton Court Park are separate conservation areas near the palace.
  • Trees in conservation areas are protected, and you must notify the council before cutting or pruning most of them.

We review your address against Richmond Council's conservation area maps before design starts, so you know early what is realistic.

What affects the cost of building work in Hampton?

No two Hampton projects cost the same. The main factors are:

  • Project type: a rear dormer, a side-return extension and a whole-house renovation have very different scopes.
  • Age of the house: Victorian cottages often need more structural work than interwar semis.
  • Approvals: planning, structural engineering, Party Wall surveyors and Building Control.
  • Ground and flood conditions: closeness to the Thames can mean extra groundwork and flood-resilient design.
  • Finish level: glazing, kitchens, bathrooms and flooring often drive the budget.

Try our online cost calculator for a starting figure, or ask us for a written estimate.

How to choose a builder in Hampton

Searching for a builder in Hampton brings up directories, aggregators and many firms. Whoever you choose, check these points first:

  • Local project examples: ask to see recent work in Hampton or neighbouring areas such as Teddington, Twickenham and Hampton Hill.
  • Ask about Hampton projects: we have completed a renovation here and can discuss it with you.
  • Check conservation area knowledge: Hampton Village, Hampton Hill High Street and Hampton Court have designated areas.
  • Ask about riverside ground conditions: properties near the Thames may need extra groundwork and flood awareness.
  • Confirm tree handling: mature trees near Bushy Park and the Court can affect design.
  • Insurance: ask to see public liability cover.
  • Written estimate: an itemised scope, not a lump sum.

How a Hampton building project works with Crest Projects

  1. Site visit and brief

    We visit your Hampton home, listen to what you want, check access and parking around Hampton Village or Hampton Hill, and survey the existing structure.

  2. Design and approvals

    Drawings, structural calculations, a check against London Borough of Richmond upon Thames planning rules and conservation areas, Party Wall notices and Building Regulations.

  3. Written estimate

    An itemised estimate with scope, programme and payment stages.

  4. Build

    A dedicated team manages the works, keeps you updated and keeps neighbours in Hampton Court informed.

  5. Handover

    Final inspection, snagging, certificates and Building Control sign-off.

Local builders across Hampton TW12 and nearby

We work throughout Hampton TW12, including:

  • Hampton Village
  • Hampton Hill
  • Hampton Court
  • Hampton Wick
  • Fulwell
  • Hanworth
  • Hampton Nursery Lands
  • Bushy Park fringe

Also building nearby

See our work on the projects page, read about Crest Projects, explore our property investment service or get a starting figure from the cost calculator.

Find Crest Projects near Hampton

Crest Projects Ltd
128a Boston Rd, London W7 2HJ
020 8088 8281
info@crestprojects.co.uk

Our office is on Boston Road in Hanwell, West London, a straightforward drive from Hampton. View our Google Business Profile to see our location, photos and reviews.

Builders in Hampton: frequently asked questions

How much does a builder in Hampton cost?

Hampton projects range from a rear dormer on a Victorian cottage to a full renovation of an interwar semi, and the price depends on structure, finish and conservation area requirements. We give a written, itemised estimate after a site visit, and our online cost calculator gives a first figure.

Which parts of Hampton are in a conservation area?

Richmond Council has designated several, including Hampton Village, Hampton Hill High Street, Hampton Court Green and Hampton Court Park. Check the council's maps for your exact address. We do this before design starts.

Do I need planning permission for a loft conversion in Hampton?

In Hampton, a rear dormer on a terrace or semi is often permitted development within volume limits. The exceptions are homes in Hampton Village, Hampton Hill High Street or the Hampton Court areas, front roof slopes, and homes whose earlier extensions have used up the allowance. A lawful development certificate from Richmond Council settles the question.

Have Crest Projects worked in Hampton?

Yes. We have recently completed a renovation in Hampton, and we regularly work across neighbouring Teddington, Twickenham and Richmond. That local experience helps with planning, access and neighbours.

What is the best extension for an interwar semi in Hampton?

A rear extension, often with a hip-to-gable and rear dormer loft above, is the most common combination. It adds a larger kitchen-diner and an extra bedroom and bathroom. The best choice depends on plot size, neighbours' extensions and the planning position.

Is flood risk a concern for building work in Hampton?

Parts of Hampton near the Thames sit in Environment Agency flood zones, which can affect extension levels and basements. Check the flood map for your address. Where it applies, we design with flood resilience in mind.

Do you handle party wall agreements in Hampton?

Yes. Hampton's Victorian cottages and terraces often share walls, and even semis share a party wall through the roof space, so loft conversions and extensions near a boundary can need a Party Wall Act 1996 notice. We prepare the notices and the schedule of condition and keep neighbours informed through the build.

Which Hampton areas do you cover?

We cover Hampton Village, Hampton Hill, Hampton Court, Hampton Wick, Fulwell, Hanworth and Hampton Nursery Lands, plus neighbouring areas such as Teddington, Twickenham and Richmond.

Is Hampton Court a conservation area?

Hampton Court Green and Hampton Court Park are separate designated conservation areas, alongside Hampton Village and Hampton Hill High Street. Houses within or next to them face tighter rules on roofs, windows and extensions. We check designations for your address before design starts.

Can you extend a Victorian cottage in Hampton Village?

Often, yes, usually with a sensitive rear extension. Hampton Village is a conservation area, so materials, proportions and any roof changes need care. We design to suit the cottage's character and prepare drawings that are likely to satisfy Richmond Council.

How do I get a quote from Crest Projects?

Call 020 8088 8281 or email info@crestprojects.co.uk with your Hampton address and a short description of the work. We will visit, talk through the options with you and follow up with a written, itemised estimate.

Planning building work in Hampton?

Speak to a builder with over 20 years of experience. Tell us about your Hampton project and we will arrange a site visit and written estimate.

Crest Projects Ltd, 128a Boston Rd, London W7 2HJ
Explore
Drag