Loft Conversion in Harpenden

Find Loft Conversion Prices in Harpenden

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Loft conversion companies in Harpenden

Seeking out loft alteration professionals in Harpenden? Our attic conversion renovators in Harpenden are able to provide you the best quotations to have a loft space altered in your property.

The installation of a loft space extension in your home can be completed swiftly, enabling you to make full use of the changed area and begin benefitting from an added room. The loft space conversion will be carried out by a vetted, accredited company and once this has been completed you'll be capable to start using the new region right away. With your newly converted loft space you'll be able to have an extra bedroom, study or even a rec room.

With a variety of attic conversion styles and designs you'll be able to discover something that suits your taste, whilst being handy and great looking.

We're going to supply you with no obligation quotations from loft area transformation firms in Harpenden who will be able to give you totally free surveys and quotations on your conversion. After that you can look at these loft area conversion prices and make sure to get the best value for your money.

Average Loft conversion cost in Harpenden

The regular cost of a Loft conversion is £25000. Costs differ based upon the materials and the firm selected. The upper price range can be as high as £28750. The material costs are mainly approximately £6250

Average price per Loft conversion job in 2025

Avg. price low

Avg. price low
£18,750

Avg. price

Avg. price
£25,000

Avg. price high

Avg. price high
£28,750

£29300

£21975

£14650

£7325

£0

Prices based on actual Loft conversion costs for Harpenden, as reported by local LeadsDoWork members.

Loft conversion installation cost in Harpenden 2025

Labour cost £17,500
Material cost £6,250
Waste removal £1,250
Time frame: 6-12 weeks

Loft conversion searches in June 2025

Loft conversion Projects in Harpenden in May 2025

1,026

Requests for quotations in Harpenden in May 2025

10

Requests for Loft conversion quotations in Harpenden in May 2025. 0% change from April 2025.

370

Requests for Loft conversion quotations in Hertfordshire in May 2025. 0% change from April 2025.

We noted 1,026 requests for property quotes in Harpenden. Of these quotation requests the amount of loft conversion quotations within Harpenden was 10. Quotatis would have been able to match these customers with as many as 4 suitable installers who were available for work in Harpenden at that time. Ask for a free home survey from reliable companies in Harpenden.

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

Loft conversion searches in cities and towns near Harpenden May 2025

94

Requests for quotations in St Albans in May 2025

29

Requests for quotations in Welwyn Garden City in May 2025

20

Requests for quotations in Hatfield in May 2025

10

Requests for quotations in Harpenden in May 2025

2

Requests for quotations in Welwyn in May 2025

Harpenden

Harpenden is a town in Hertfordshire, England. The town's population is just under 30,000. Harpenden is a relatively affluent commuter town, with a direct rail connection into London and property prices are well above double the national average. Geographically it is located between two much larger neighbouring towns: Luton and St Albans. It is flanked by the villages of Redbourn and Wheathampstead.

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Loft conversion pros in Harpenden

Dream the Build

19 review(s)
Based: in London, EC1V 2NX

DREAM the Build. Ltd ' Constructing your Vision Making home development exciting, fun and asset building experience , future proofing household & investors Who we are ? Starting fresh in a new country is never easy, but what we did Catal...

Latest review

A., NW7
4

Conversion | Loft in London

Good quote

Unique Lofts LTD

2 review(s)
Based: in South mimms, EN6 3NX

Professional loft conversions at Unique Lofts, we are a specialist loft company with over 15 years of experience in construction. Call us today.

Latest review

Alan P., EN11
5

Conversion | Loft in Hoddesdon

only company that quoted

London Project Management Ltd Ta Modern Attics

1 review(s)
Based: in London, N3 2DN

Modern ATTICS specialise in loft conversions and House Extensions. We cover all areas of London - North, East, West, Central and South London.

Latest review

Helen W., NW4
4

Conversion | Loft in London

Nice guy

A1 Forever Solutions LTD

1 review(s)
Based: in London, SE25 6EP

Latest review

Peter M., TW7
4

Conversion | Loft in Isleworth

Waiting for the appointment

Similar Customer Enquiries for Loft conversion in Harpenden

11 Feb

Conversion | Loft

Harpenden - AL5

Enquiry from: Stoycho I

Start Date: Immediate

hello, i am looking for specialists for a shell loft conversion / dorma on a terraced house. the project is based in harpenden. it is a three bedroom house, built in 1960s. the whole loft space is 44...

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03 Dec

Conversion | Loft

Harpenden - AL5

Enquiry from: Michael M

Start Date: Immediate

loft conversion for 12 stewart road *** please arrange site visit and provide proposal are you the property owner: owner of the property property type: semi detached what are you looking to convert t...

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10 Apr

Conversion | Loft

Harpenden - AL5

Enquiry from: HENNA J

Start Date: 1 to 3 months

Homeowner Please contact to appoint Are you the property owner: Owner of the property Property Type: Semi detached What are you looking to convert the space into: Bedroom/s Are you looking to have st...

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01 Mar

Conversion | Loft

Harpenden - AL5

Enquiry from: Tim B

Start Date: 1 to 3 months

Existing loft space converted into extra bedroom with en suite Are you the property owner: Owner of the property Property Type: Semi detached What are you looking to convert the space into: Bedroom/s ...

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30 Nov

Conversion | Loft

Harpenden - AL5

Enquiry from: Willie B

Start Date: Immediate

loft extension

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22 Sep

Conversion | Loft

Harpenden - AL5

Enquiry from: Sharon P

Start Date: Immediate

Install a loft ladder (that I already have) and a new drop down loft hatch

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22 May

Conversion | Loft

Harpenden - AL5

Enquiry from: James A

Start Date: 1 to 3 months

Homeowner Loft conversion Property type: Semi detached, Property owner: Owner, Looking to convert into: Bedroom, Work description: To add stairs, remove a chimney stack and add either 2 bedroom...

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10 May

Conversion | Loft

Watford - WD19

Enquiry from: Gerald A

Start Date: Immediate

2 rooms and a bath 40 sq metres are you the property owner: owner of the property property type: semi detached are you looking to have stairs: yes do you require any windows: velux do you require elec...

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08 Jan

Conversion | Loft

Bushey - WD23

Enquiry from: Elena R

Start Date: Immediate

We would like to get a loft conversion for our semi detached house. We are at the very beginning stages and do not even have plans drawn up yet. But would be keen to have a consultation . Kind reg...

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24 Oct

Conversion | Loft

Stanmore - HA7

Enquiry from: Anks P

Start Date: Immediate

homeowner loft conversion please call to appoint

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28 Mar

Conversion | Loft

Barnet - EN5

Enquiry from: Dinu S

Start Date: Immediate

homeowner loft conversion- no previous quotes please call to appoint

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02 Feb

Conversion | Loft

Watford - WD19

Enquiry from: Jeremy G

Start Date: Immediate

hi, i tried reaching out today to explore possibly working together as we can connect you with every homeowner in your local area who has submitted for planning every week. it's a simple but powerful...

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19 Jan

Conversion | Loft

Watford - WD19

Enquiry from: Ana V

Start Date: Immediate

*homeowner loft conversion please call to appoint

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22 Dec

Conversion | Loft

Watford - WD17

Enquiry from: Rashad K

Start Date: Immediate

Stairs going to loft room

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03 Dec

Conversion | Loft

Edgware - HA8

Enquiry from: Uzoma A

Start Date: Immediate

customer is looking for loft conversion quotes. they are unsure of options so would like to discuss. confirmed interest via customer lives in edgware area please call to arrange an appointment are yo...

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30 Aug

Conversion | Loft

Rickmansworth - WD3

Enquiry from: Gayathri B

Start Date: Immediate

dormer extension with an ensuite are you the property owner: owner of the property property type: semi detached what are you looking to convert the space into: bedroom/s are you looking to have stairs...

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11 Aug

Conversion | Loft

Edgware - HA8

Enquiry from: Paddy P

Start Date: Immediate

loft conversion - with dormer window are you the property owner: relative of owner property type: semi detached what are you looking to convert the space into: bedroom/s are you looking to have stairs...

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08 Aug

Conversion | Loft

Northwood - HA6

Enquiry from: Robert T

Start Date: Immediate

change an existing loft extension into a dormer extension, failing that amend the internal layout. are you the property owner: owner of the property property type: semi detached what are you looking t...

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28 Jul

Conversion | Loft

Stanmore - HA7

Enquiry from: Malak A

Start Date: Immediate

Loft conversion quote - that has a bathroom

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16 Feb

Conversion | Loft

Watford - WD19

Enquiry from: LIJO J

Start Date: Immediate

need to make a good size bedroom with some storage are you the property owner: owner of the property are you looking to have stairs: yes do you require any windows: skylight do you require plumbing wo...

Post a similar request >

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FAQs

What kinds of loft conversion are there?

There’s a huge range of different types of loft conversions. The most common are dormer and skylight or Velux conversions. There are also hip to gable and mansard conversions. The type of loft conversion that’s most suitable for your property will depend on the style of roof and the size of your loft.

do you need planning permission for a loft conversion?

Typically, loft conversions do not require planning permission except in certain situations. They’re usually covered under what’s known as Permitted Development. Certain building works like loft conversion, rear extension and conservatories are granted planning permission by local authorities. Permitted Development, however, gives you a free range to improve your home without having any issues from the councils or regulations. Before your planned loft conversion can be covered under Permitted Development, there are some certain criteria that must be met. This criteria includes the following:

✓ The extension must not go beyond the existing slope of the roof at the front of the house.

✓ The loft space converted must not go beyond 40 cubic metres in a terraced house.

✓ The roof’s height must not be increased by the extension.

✓ The loft space converted must not reach beyond 50 cubic metres in a detached or semi detached house.

✓ The plan for the extension mustn’t involve structures like balconies, verandas or anything other structures of this nature.

✓ The roof extension should be positioned as far back as possible or at least 20cm from the existing eaves.

✓ The side that faces the window openings should be at least 1.7m beyond the floor and the windows should also be obscured.

✓ The roof extension must not overhang the existing roof or wall of the house.

✓ The materials that are to be used must be similar or the same to the materials that has already been used on the house’s exterior.

However, you should bear in mind that there are some properties that are exempt from Permitted Development. Examples of these type of properties include conservation areas, Areas Of Outstanding Natural Beauty and World Heritage sites. Permitted Development does not also provide coverage for listed buildings.

what is a hip to gable loft conversion?

This is a type of loft conversion that extends your roof on the sloping side. It is a great option to go for especially where a hipped roof effectively makes the usable floor area a lot smaller which can be a tricky affair when it comes to putting in a new staircase. Here, the roof is extended from the current ridge in such a way that it effectively fills the gap between them. As a result, this turns the hip (in a hipped roof) into a gable to create space in your roof for a loft conversion - hence the name “hip to gable.

The new gable can be done in whatever way that suits both your taste as well as your property. You can make the new gable construction in woods and then tiled to match your existing roof while you can also go for other options such as brick block pebbledash or rendering. You are also free to fit in a new window into the loft conversion end so as to allow for natural light into the loft space.

A hip to gable loft conversion is mostly found on both semi detached and end terrace buildings, particularly those constructed in the 1930s. Overall, this type of loft conversion is particularly ideal for homes that features a hipped roof and with a sloping roof at the side of the property. Some detached properties can also possess a hipped roof on the side - and as such, a double hip to gable loft conversion can also be deal as it’ll create more loft space for usage. If your home fits into the bill, then you should be aware that once the project is completed, you’ll have plenty of usable space available to both you and your loved ones.

how long does a loft conversion take?

If you’re about to carry out a loft conversion project, you’d probably be wondering how long it’ll take to complete the task. Well, you’re not alone! This is one of the most common questions when it comes to loft conversion projects, however, providing a set timeframe for completion of such projects is impossible as all loft conversions vary. There are different factors that can determine the duration of your project. These factors include, the materials to be used, the type of the proposed loft conversion, the kind of staircase you’ll like to have installed, the number of windows included, the number of rooms to be added as well as a number of other influencing factors. As a result of these variables, the milestones and timings provided are only to be taken as guidelines. If you’d really like to have a set date, you can get in touch with a professional for help.

Generally, it’ll take up to 8 weeks to complete a loft conversion project.

✓ The first week activities will include putting up scaffolding, receiving the first materials for the build and creating an opening in the roof to gain access to the loft space.

✓ In the second week, the structure of the roof will be ammended and more support added.

✓ Third week, the floor joists will be fitted, building of the loft conversion will start, completion of the external roof works and commencement of plumbing and electric works.

✓ Fourth week, complete the building, construct the loft floor, fit the roof windows, insulation, ventilation and internal stud walls.

✓ Fifth week, apply plaster and plasterboard to the room walls, create a staircase opening and fit the new staircase.

✓ Sixth week, plaster the staircase area, complete plumbing and electrical works, hang the doors, fit skirting, handrails and bannisters and start decoration.

✓ Seventh week, complete the decoration and clean and wipe out all wastes.

✓ Eight week, complete all the remaining tasks.

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Customer Reviews

Overall rating:


Harpenden Loft conversion installers are rated 4 out of 5 based on 7 reviews of 84 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with Loft conversion projects that have been connected with Loft conversion pros to help them. All Loft conversion contractors All Harpenden Loft conversion contractors

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