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House Extension in city

House extension includes a wide variety of advantages which makes it simple to see why the extension could be a excellent uptick in the possible price of your building in terms of sales. So if you're wanting to construct a brand-new home extension however still not convinced concerning the project, we're below to aid you. Being fully mindful any type of residence building and construction job is typically a heavy investment, there's a significant requirement to be set on your choice before setting up the start of any job. So are house extensions worth it? Below are a few of the top advantages used by house extensions to assist you determine if it's the most suitable route for you.

 

What's Involved in Adding an Extension?

The actions will differ depending upon the scope of your extension, but you can anticipate some, otherwise all, of the below to be entailed when including an extension to your house:

 

  1. Getting Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Examining your leasehold arrangement (if relevant) to make certain you can do what you intend to do.
  3. Hiring an architect  to create the plans, considering your planned use ( kitchen area, washroom, research study).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance coverage service provider to allow them know of the planned job ahead of it starting.
  6. Acquiring car parking allows if required for your professionals to ensure they have easy accessibility to your residential building.
  7. Making certain all planned job drops within allowed allowables.
  8. Clearing the area and digging deep into if necessary, including the removal of trees.
  9. Structure job can start.

 

What is the expense of a house extension in city?

If you're thinking about adding a two floor house extension, after that establishing a budget for this job would be a excellent method to begin. Comparable to a rear extension, a two floor extension generally leaves the remainder of the building needing some work as well as, due to its size, this may imply the re-development of the whole house - which is why they can be really costly. Several of the other influencing variables that can have large influence on a two storey house extension cost consists of: your area, the dimension of the build, complexity of the style (anything beyond the basic construct will usually need more proficiency and time), the glazing to be incorporated (the extra the glass used in the project, the a lot more the product expense), in addition to the group used.

Average House extensions cost in Porth

The regular cost of House extensions are £50,000 in Porth. Costs vary based upon the materials and the company picked. The upper price range can be as high as £68,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2025

Avg. price low

Avg. price low
£42,000

Avg. price

Avg. price
£50,000

Avg. price high

Avg. price high
£68,000

£68500

£51375

£34250

£17125

£0

Prices based on actual House extensions costs for Porth, as reported by local LeadsDoWork members.

House extensions installation cost in Porth 2025

Labour cost £27,000
Material cost £10,500
Waste removal £2,500
Time frame: 10-14 weeks

House extensions searches in June 2025

House extensions Projects in Porth in May 2025

216

Requests for quotations in Porth in May 2025

1

Requests for House extensions quotations in Porth in May 2025. -50% change from April 2025.

20

Requests for House extensions quotations in Mid Glamorgan in May 2025. -33% change from April 2025.

Source: Numbers calculated based on the search volumes in major search engines

House extensions searches in cities and towns near Porth May 2025

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Requests for quotations in Bridgend in May 2025

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Requests for quotations in Pontypridd in May 2025

7

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Porth

Porth (population 5,970) is a community and also a neighborhood in the area district of Rhondda Cynon Taf, within the historic area limits of Glamorgan, Wales, hing on the Rhondda Valley and is considered the portal to the Rhondda Fawr and also Rhondda Fach valleys due to the fact that both valleys fulfill at Porth. The Welsh word "porth" implies "gate". Porth is a mainly English-speaking neighborhood. Neighbouring towns include Trealaw, Trebanog, Trehafod and Ynyshir. Today the major interior economy of Porth is retail as well as the centre of Porth is house to the purchasing district based around Hannah Street. The majority of other service are located on neighboring Pontypridd Roadway and Porth Street. Presently, Porth is residence to around 6,000 people residing in different areas of the community, specifically Birchgrove, Britannia, Glynfach, Llwyncelyn, Mount Pleasant as well as Porth town centre.

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Similar Customer Enquiries for House extensions in Porth

04 Oct

House Extensions

Porth - CF39

Enquiry from: Beena K

Start Date: Immediate

customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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22 Jun

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Porth - CF39

Enquiry from: Jo T

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are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: no other forms: house extension agreed to receive quotes for selected products: yes pl...

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23 Jul

House Extensions

Porth - CF39

Enquiry from: Julie B

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Other Forms: 17, 45 Agreed to recieve quotes for selected products: Yes Please call to appoint Property Type: Terrace Looking For: Single storey exten...

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21 Aug

House Extensions

Porth - CF39

Enquiry from: Janet B

Start Date: Immediate

Two storey side extension to provide an extra bedroom and lounge. Size approx 16m2

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23 Jan

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Porth - CF39

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How much will it cost to have. Extension on top of my kitchen it 14ft by14 ft

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26 May

House Extensions

Porth - CF39

Enquiry from: A

Start Date: Immediate

Full house width extension. 2floors. Typical semi-detached Rhondda house. Might need loft conversion too. Internal work changing lay out of 1st floor: bigger bathroom, different landing, extending...

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04 Mar

House Extensions

Porth - CF39

Enquiry from: Pauline M

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re rending of pine wall due to crack appearing in wall between main and extention

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14 Aug

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Porth - CF39

Enquiry from: Gareth E

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homeowner Single storey rear extension to have a kitchen/diner Time scale: Immediate please contact to appoint

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06 Aug

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Porthcawl - CF36

Enquiry from: Ellis N

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Two storey rear extension with bifold doors and juliet balconies.

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08 Nov

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Bridgend - CF33

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customer in bridgend area has requested that we arrange quotes for their house extension project.mr are considering various options and would like to discuss with a builder directly.please call to dis...

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20 Mar

House Extensions

Bridgend - CF35

Enquiry from: Chris P

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customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.mr lives in the bridgend area and would like a call to discuss options.see below d...

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16 Mar

House Extensions

Bridgend - CF35

Enquiry from: Chris P

Start Date: Immediate

shell only back extension are you the property owner: owner of the property property type: semi detached looking for: single storey extension do you have planning permission: yes do you have plans dra...

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05 Dec

House Extensions

Aberdare - CF44

Enquiry from: Most F

Start Date: Immediate

customer in aberdare areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via email at 05/12/2021 08:51.please call to arrange appoin...

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16 May

House Extensions

Bridgend - CF35

Enquiry from: Christopher P

Start Date: Immediate

customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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14 Apr

House Extensions

Cowbridge - CF71

Enquiry from: Shaun R

Start Date: Immediate

customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.mr lives in the cowbridge area and would like a call to discuss options.see below ...

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09 Apr

House Extensions

Bridgend - CF31

Enquiry from: Manoj P

Start Date: Less than one month

customer in bridgend areas is looking to do a couple of projects at the moment, and would like quotes for house extension.confirmed interest via email at 09/04/2021 18:02.please call to arrange appoin...

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06 Apr

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Cowbridge - CF71

Enquiry from: Shaun R

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mr requested quotes for house extension from a builder around cowbridge. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the information below i...

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14 Mar

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Cowbridge - CF71

Enquiry from: Shaun R

Start Date: Immediate

are you the property owner: owner of the property is this for a residential or commerial building: domestic other forms: house extension agreed to receive quotes for selected products: yes please cal...

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09 Mar

House Extensions

Tonypandy - CF40

Enquiry from: Lewis R

Start Date: 1 to 3 months

i am looking to build up on my existing single extension. it’s approx 3m wide by 5m deep. are you the property owner: owner of the property looking for: single storey extension do you have planning ...

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20 Feb

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Aberdare - CF44

Enquiry from: Paul G

Start Date: Immediate

Vertical extension on top of existing kitchen extension

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FAQs

how much value does an extension add to your house?

Are you interested in extending your home to create more living space? If yes, then you’d probably want to know how much value it can add to your property in order to compare the building costs to the potential value gain. Well, as long as you know what you’re doing, your house doesn’t necessarily have to be a money pit. So what are your options when talking about home extensions and what’s the associated value to be gained?

• Bathroom Extensions

Although you should have it in mind that bathroom extensions isn’t usually that cheap, but once done, it can increase the value of a standard UK house within the range of £12,000 to £15,000. Meanwhile the finishing cost of a bathroom can range from £2,500 to £7,000.

• Single or Double Storey Extensions

Single storey extensions are always huge when it comes to increasing the value of your home - giving about 4 to 7 percent increase. If it goes that far, then literally nothing beats a full spectrum, double storey extension which can give up to 11 percent increase in the value of a property - equalling about a whooping £33,000 for a standard home in the UK.

• Conservatory Extension

With conservatories becoming more and more popular in the UK due to the weather conditions, several buyers are now including it’s availability as part of the criteria for purchasing a house. Wonder why? This is simply because everyone wants to enjoy their garden all throughout the year. As a result of this high demand, adding this type of extension to your house can go a long way to increase it’s value. However, it’s very important to incorporate high quality materials during construction. With glass conservatories offering, on the average, up to £5,000 increase in value, the cheaper PVC alternative offers much less value and can also deter potential buyers.

Can an extension add value to my home?

Yes. Most extensions will add substantial value to your home, and you may find that the extension adds more value than it cost. However, it’s important to be sure that the home remains balanced. Extending your garage and leaving your property with no parking spaces, for example, may impact your ability to sell.

when do you need planning permission for a house extension?

If you’re planning on adding a house extension to your property, you’d probably be worried about whether or not your proposed extension would require a planing permission. Well, it may be relieving to know that not every house extension project would require a formal consent, and in fact, several extensions are covered by the permitted development rights. Not only can this save you a considerable amount of time especially at the project’s planning phase, but it’ll also save you money on the application fee. In the UK, single storey extensions to the house’s rear can be 3 metres deep for both semi detached houses and terraces or 8 metres deep for detached homes.

So how do you know when you’d require a planning permission for your home extension? Well, if your extension plan fits these criteria explained below, then your project is most likely going to be allowable as a permitted development.

• Extensions, which includes previous additions, must not go beyond half of the original house’s total surrounding land area.

• The main elevation, or side elevation where it fronts the highway, must not be extended forward.

• For single storeys, the rear additions must not extend more than the original house’s rear by more than 3 metres in both semi attached homes and terraces (4 metres for detached houses).

• Extensions to the side must be a single storey with a height not exceeding 4 metres and not going beyond 50% of the original house’s width.

• Extensions hat within 2 metres of a boundary should have a eaves height not more than 3 metres.

• Multi storey addition must not extend beyond the original house’s rear wall by a maximum of 3 metres or 7 metres of the boundary opposite the rear wall.

• Permitted development rights do not apply in listed buildings or designated areas.

Will my extension be expensive?

It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.

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